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avxbitpacking.c
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avxbitpacking.c
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#include "avxbitpacking.h"
#ifdef __AVX2__
static uint32_t maxbitas32int(const __m256i accumulator) {
const __m256i _tmp1 =
_mm256_or_si256(_mm256_srli_si256(accumulator, 8), accumulator);
const __m256i _tmp2 = _mm256_or_si256(_mm256_srli_si256(_tmp1, 4), _tmp1);
uint32_t ans1 = _mm256_extract_epi32(_tmp2, 0);
uint32_t ans2 = _mm256_extract_epi32(_tmp2, 4);
uint32_t ans = ans1 > ans2 ? ans1 : ans2;
return bits(ans);
}
uint32_t avxmaxbits(const uint32_t *begin) {
const __m256i *pin = (const __m256i *)(begin);
__m256i accumulator = _mm256_lddqu_si256(pin);
uint32_t k = 1;
for (; 8 * k < AVXBlockSize; ++k) {
__m256i newvec = _mm256_lddqu_si256(pin + k);
accumulator = _mm256_or_si256(accumulator, newvec);
}
return maxbitas32int(accumulator);
}
/** avxpacking **/
typedef void (*avxpackblockfnc)(const uint32_t *pin, __m256i *compressed);
typedef void (*avxunpackblockfnc)(const __m256i *compressed, uint32_t *pout);
static void avxpackblock0(const uint32_t *pin, __m256i *compressed) {
(void)compressed;
(void)pin; /* we consumed 256 32-bit integers */
}
/* we are going to pack 256 1-bit values, touching 1 256-bit words, using 16
* bytes */
static void avxpackblock1(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 1 256-bit word */
__m256i w0;
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 1));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 3));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 5));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 7));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 9));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 10));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 11));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 13));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 14));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 15));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 17));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 18));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 19));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 21));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 22));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 23));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 24));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 25));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 26));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 27));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 28));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 29));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 30));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 31));
_mm256_storeu_si256(compressed + 0, w0);
}
/* we are going to pack 256 2-bit values, touching 2 256-bit words, using 32
* bytes */
static void avxpackblock2(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 2 256-bit words */
__m256i w0, w1;
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 10));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 14));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 18));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 22));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 24));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 26));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 28));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 30));
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_lddqu_si256(in + 16);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 2));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 6));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 10));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 12));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 14));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 18));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 20));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 22));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 24));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 26));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 28));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 30));
_mm256_storeu_si256(compressed + 1, w1);
}
/* we are going to pack 256 3-bit values, touching 3 256-bit words, using 48
* bytes */
static void avxpackblock3(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 3 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 3));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 9));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 15));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 18));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 21));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 24));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 27));
tmp = _mm256_lddqu_si256(in + 10);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 1));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 7));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 10));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 13));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 19));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 22));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 25));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 28));
tmp = _mm256_lddqu_si256(in + 21);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 31));
w0 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 5));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 11));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 14));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 17));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 23));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 26));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 29));
_mm256_storeu_si256(compressed + 2, w0);
}
/* we are going to pack 256 4-bit values, touching 4 256-bit words, using 64
* bytes */
static void avxpackblock4(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 4 256-bit words */
__m256i w0, w1;
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 24));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 28));
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_lddqu_si256(in + 8);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 12));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 20));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 24));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 28));
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_lddqu_si256(in + 16);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 24));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 28));
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_lddqu_si256(in + 24);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 12));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 20));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 24));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 28));
_mm256_storeu_si256(compressed + 3, w1);
}
/* we are going to pack 256 5-bit values, touching 5 256-bit words, using 80
* bytes */
static void avxpackblock5(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 5 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 5));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 10));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 15));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 25));
tmp = _mm256_lddqu_si256(in + 6);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 3));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 13));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 18));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 23));
tmp = _mm256_lddqu_si256(in + 12);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 1));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 11));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 21));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 26));
tmp = _mm256_lddqu_si256(in + 19);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 31));
w1 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 9));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 14));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 19));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 24));
tmp = _mm256_lddqu_si256(in + 25);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 29));
w0 = _mm256_srli_epi32(tmp, 3);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 7));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 17));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 22));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 27));
_mm256_storeu_si256(compressed + 4, w0);
}
/* we are going to pack 256 6-bit values, touching 6 256-bit words, using 96
* bytes */
static void avxpackblock6(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 6 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 18));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 24));
tmp = _mm256_lddqu_si256(in + 5);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 10));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 22));
tmp = _mm256_lddqu_si256(in + 10);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 14));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 20));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 26));
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_lddqu_si256(in + 16);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 6));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 12));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 18));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 24));
tmp = _mm256_lddqu_si256(in + 21);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 30));
w0 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 10));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 22));
tmp = _mm256_lddqu_si256(in + 26);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 2));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 14));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 20));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 26));
_mm256_storeu_si256(compressed + 5, w1);
}
/* we are going to pack 256 7-bit values, touching 7 256-bit words, using 112
* bytes */
static void avxpackblock7(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 7 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 7));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 14));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 21));
tmp = _mm256_lddqu_si256(in + 4);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 3));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 10));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 17));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 24));
tmp = _mm256_lddqu_si256(in + 9);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 31));
w0 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 13));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 20));
tmp = _mm256_lddqu_si256(in + 13);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 27));
w1 = _mm256_srli_epi32(tmp, 5);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 2));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 9));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 23));
tmp = _mm256_lddqu_si256(in + 18);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 30));
w0 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 5));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 19));
tmp = _mm256_lddqu_si256(in + 22);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 1));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 15));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 22));
tmp = _mm256_lddqu_si256(in + 27);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 29));
w0 = _mm256_srli_epi32(tmp, 3);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 11));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 18));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 25));
_mm256_storeu_si256(compressed + 6, w0);
}
/* we are going to pack 256 8-bit values, touching 8 256-bit words, using 128
* bytes */
static void avxpackblock8(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 8 256-bit words */
__m256i w0, w1;
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 24));
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_lddqu_si256(in + 4);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 24));
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_lddqu_si256(in + 8);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 24));
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_lddqu_si256(in + 12);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 24));
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_lddqu_si256(in + 16);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 24));
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_lddqu_si256(in + 20);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 24));
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_lddqu_si256(in + 24);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 16));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 24));
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_lddqu_si256(in + 28);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 16));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 24));
_mm256_storeu_si256(compressed + 7, w1);
}
/* we are going to pack 256 9-bit values, touching 9 256-bit words, using 144
* bytes */
static void avxpackblock9(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 9 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 9));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 18));
tmp = _mm256_lddqu_si256(in + 3);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 27));
w1 = _mm256_srli_epi32(tmp, 5);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 13));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 22));
tmp = _mm256_lddqu_si256(in + 7);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 31));
w0 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 17));
tmp = _mm256_lddqu_si256(in + 10);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 3));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 12));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 21));
tmp = _mm256_lddqu_si256(in + 14);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 30));
w0 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 7));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
tmp = _mm256_lddqu_si256(in + 17);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 25));
w1 = _mm256_srli_epi32(tmp, 7);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 2));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 11));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 20));
tmp = _mm256_lddqu_si256(in + 21);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 29));
w0 = _mm256_srli_epi32(tmp, 3);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 15));
tmp = _mm256_lddqu_si256(in + 24);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 24));
w1 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 1));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 10));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 19));
tmp = _mm256_lddqu_si256(in + 28);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 5));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 14));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 23));
_mm256_storeu_si256(compressed + 8, w0);
}
/* we are going to pack 256 10-bit values, touching 10 256-bit words, using 160
* bytes */
static void avxpackblock10(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 10 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 10));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 2), 20));
tmp = _mm256_lddqu_si256(in + 3);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 18));
tmp = _mm256_lddqu_si256(in + 6);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 16));
tmp = _mm256_lddqu_si256(in + 9);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 14));
tmp = _mm256_lddqu_si256(in + 12);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 24));
w0 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 12));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 22));
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_lddqu_si256(in + 16);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 10));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 20));
tmp = _mm256_lddqu_si256(in + 19);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 30));
w0 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 18));
tmp = _mm256_lddqu_si256(in + 22);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 6));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 16));
tmp = _mm256_lddqu_si256(in + 25);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 26));
w0 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 14));
tmp = _mm256_lddqu_si256(in + 28);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 24));
w1 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 2));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 12));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 22));
_mm256_storeu_si256(compressed + 9, w1);
}
/* we are going to pack 256 11-bit values, touching 11 256-bit words, using 176
* bytes */
static void avxpackblock11(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 11 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 11));
tmp = _mm256_lddqu_si256(in + 2);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 22));
w1 = _mm256_srli_epi32(tmp, 10);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 1));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 12));
tmp = _mm256_lddqu_si256(in + 5);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 23));
w0 = _mm256_srli_epi32(tmp, 9);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 13));
tmp = _mm256_lddqu_si256(in + 8);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 24));
w1 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 3));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 14));
tmp = _mm256_lddqu_si256(in + 11);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 25));
w0 = _mm256_srli_epi32(tmp, 7);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 15));
tmp = _mm256_lddqu_si256(in + 14);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 5));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
tmp = _mm256_lddqu_si256(in + 17);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 27));
w0 = _mm256_srli_epi32(tmp, 5);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 17));
tmp = _mm256_lddqu_si256(in + 20);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 7));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 18));
tmp = _mm256_lddqu_si256(in + 23);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 29));
w0 = _mm256_srli_epi32(tmp, 3);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 19));
tmp = _mm256_lddqu_si256(in + 26);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 9));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 20));
tmp = _mm256_lddqu_si256(in + 29);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 31));
w0 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 9, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 10));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 21));
_mm256_storeu_si256(compressed + 10, w0);
}
/* we are going to pack 256 12-bit values, touching 12 256-bit words, using 192
* bytes */
static void avxpackblock12(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 12 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 12));
tmp = _mm256_lddqu_si256(in + 2);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 24));
w1 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 4), 16));
tmp = _mm256_lddqu_si256(in + 5);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 20));
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_lddqu_si256(in + 8);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 12));
tmp = _mm256_lddqu_si256(in + 10);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 24));
w0 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 16));
tmp = _mm256_lddqu_si256(in + 13);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 20));
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_lddqu_si256(in + 16);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 12));
tmp = _mm256_lddqu_si256(in + 18);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 24));
w1 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 16));
tmp = _mm256_lddqu_si256(in + 21);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 8));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 20));
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_lddqu_si256(in + 24);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 12));
tmp = _mm256_lddqu_si256(in + 26);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 24));
w0 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 9, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 16));
tmp = _mm256_lddqu_si256(in + 29);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 10, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 8));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 20));
_mm256_storeu_si256(compressed + 11, w1);
}
/* we are going to pack 256 13-bit values, touching 13 256-bit words, using 208
* bytes */
static void avxpackblock13(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 13 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 13));
tmp = _mm256_lddqu_si256(in + 2);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 7));
tmp = _mm256_lddqu_si256(in + 4);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 20));
w0 = _mm256_srli_epi32(tmp, 12);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 1));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 6), 14));
tmp = _mm256_lddqu_si256(in + 7);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 27));
w1 = _mm256_srli_epi32(tmp, 5);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 8));
tmp = _mm256_lddqu_si256(in + 9);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 21));
w0 = _mm256_srli_epi32(tmp, 11);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 15));
tmp = _mm256_lddqu_si256(in + 12);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 9));
tmp = _mm256_lddqu_si256(in + 14);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 22));
w0 = _mm256_srli_epi32(tmp, 10);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 3));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
tmp = _mm256_lddqu_si256(in + 17);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 29));
w1 = _mm256_srli_epi32(tmp, 3);
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 10));
tmp = _mm256_lddqu_si256(in + 19);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 23));
w0 = _mm256_srli_epi32(tmp, 9);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 17));
tmp = _mm256_lddqu_si256(in + 22);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 11));
tmp = _mm256_lddqu_si256(in + 24);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 24));
w0 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 9, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 5));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 18));
tmp = _mm256_lddqu_si256(in + 27);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 31));
w1 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 10, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 12));
tmp = _mm256_lddqu_si256(in + 29);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 25));
w0 = _mm256_srli_epi32(tmp, 7);
_mm256_storeu_si256(compressed + 11, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 6));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 19));
_mm256_storeu_si256(compressed + 12, w0);
}
/* we are going to pack 256 14-bit values, touching 14 256-bit words, using 224
* bytes */
static void avxpackblock14(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 14 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 14));
tmp = _mm256_lddqu_si256(in + 2);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 28));
w1 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 10));
tmp = _mm256_lddqu_si256(in + 4);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 24));
w0 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 6));
tmp = _mm256_lddqu_si256(in + 6);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 20));
w1 = _mm256_srli_epi32(tmp, 12);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 2));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 8), 16));
tmp = _mm256_lddqu_si256(in + 9);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 30));
w0 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 10), 12));
tmp = _mm256_lddqu_si256(in + 11);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 12), 8));
tmp = _mm256_lddqu_si256(in + 13);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 22));
w0 = _mm256_srli_epi32(tmp, 10);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 14), 4));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 18));
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_lddqu_si256(in + 16);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 14));
tmp = _mm256_lddqu_si256(in + 18);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 10));
tmp = _mm256_lddqu_si256(in + 20);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 24));
w1 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 6));
tmp = _mm256_lddqu_si256(in + 22);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 20));
w0 = _mm256_srli_epi32(tmp, 12);
_mm256_storeu_si256(compressed + 9, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 16));
tmp = _mm256_lddqu_si256(in + 25);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 10, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 12));
tmp = _mm256_lddqu_si256(in + 27);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 26));
w0 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 11, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 8));
tmp = _mm256_lddqu_si256(in + 29);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 22));
w1 = _mm256_srli_epi32(tmp, 10);
_mm256_storeu_si256(compressed + 12, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 4));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 18));
_mm256_storeu_si256(compressed + 13, w1);
}
/* we are going to pack 256 15-bit values, touching 15 256-bit words, using 240
* bytes */
static void avxpackblock15(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 15 256-bit words */
__m256i w0, w1;
__m256i tmp; /* used to store inputs at word boundary */
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 15));
tmp = _mm256_lddqu_si256(in + 2);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 30));
w1 = _mm256_srli_epi32(tmp, 2);
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 13));
tmp = _mm256_lddqu_si256(in + 4);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 28));
w0 = _mm256_srli_epi32(tmp, 4);
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 11));
tmp = _mm256_lddqu_si256(in + 6);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 26));
w1 = _mm256_srli_epi32(tmp, 6);
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 9));
tmp = _mm256_lddqu_si256(in + 8);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 24));
w0 = _mm256_srli_epi32(tmp, 8);
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 7));
tmp = _mm256_lddqu_si256(in + 10);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 22));
w1 = _mm256_srli_epi32(tmp, 10);
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 5));
tmp = _mm256_lddqu_si256(in + 12);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 20));
w0 = _mm256_srli_epi32(tmp, 12);
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 3));
tmp = _mm256_lddqu_si256(in + 14);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 18));
w1 = _mm256_srli_epi32(tmp, 14);
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 1));
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 16), 16));
tmp = _mm256_lddqu_si256(in + 17);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 31));
w0 = _mm256_srli_epi32(tmp, 1);
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 18), 14));
tmp = _mm256_lddqu_si256(in + 19);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 29));
w1 = _mm256_srli_epi32(tmp, 3);
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 20), 12));
tmp = _mm256_lddqu_si256(in + 21);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 27));
w0 = _mm256_srli_epi32(tmp, 5);
_mm256_storeu_si256(compressed + 9, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 22), 10));
tmp = _mm256_lddqu_si256(in + 23);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 25));
w1 = _mm256_srli_epi32(tmp, 7);
_mm256_storeu_si256(compressed + 10, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 24), 8));
tmp = _mm256_lddqu_si256(in + 25);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 23));
w0 = _mm256_srli_epi32(tmp, 9);
_mm256_storeu_si256(compressed + 11, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 26), 6));
tmp = _mm256_lddqu_si256(in + 27);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(tmp, 21));
w1 = _mm256_srli_epi32(tmp, 11);
_mm256_storeu_si256(compressed + 12, w0);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 28), 4));
tmp = _mm256_lddqu_si256(in + 29);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(tmp, 19));
w0 = _mm256_srli_epi32(tmp, 13);
_mm256_storeu_si256(compressed + 13, w1);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 30), 2));
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 17));
_mm256_storeu_si256(compressed + 14, w0);
}
/* we are going to pack 256 16-bit values, touching 16 256-bit words, using 256
* bytes */
static void avxpackblock16(const uint32_t *pin, __m256i *compressed) {
const __m256i *in = (const __m256i *)pin;
/* we are going to touch 16 256-bit words */
__m256i w0, w1;
w0 = _mm256_lddqu_si256(in + 0);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 1), 16));
_mm256_storeu_si256(compressed + 0, w0);
w1 = _mm256_lddqu_si256(in + 2);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 3), 16));
_mm256_storeu_si256(compressed + 1, w1);
w0 = _mm256_lddqu_si256(in + 4);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 5), 16));
_mm256_storeu_si256(compressed + 2, w0);
w1 = _mm256_lddqu_si256(in + 6);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 7), 16));
_mm256_storeu_si256(compressed + 3, w1);
w0 = _mm256_lddqu_si256(in + 8);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 9), 16));
_mm256_storeu_si256(compressed + 4, w0);
w1 = _mm256_lddqu_si256(in + 10);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 11), 16));
_mm256_storeu_si256(compressed + 5, w1);
w0 = _mm256_lddqu_si256(in + 12);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 13), 16));
_mm256_storeu_si256(compressed + 6, w0);
w1 = _mm256_lddqu_si256(in + 14);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 15), 16));
_mm256_storeu_si256(compressed + 7, w1);
w0 = _mm256_lddqu_si256(in + 16);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 17), 16));
_mm256_storeu_si256(compressed + 8, w0);
w1 = _mm256_lddqu_si256(in + 18);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 19), 16));
_mm256_storeu_si256(compressed + 9, w1);
w0 = _mm256_lddqu_si256(in + 20);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 21), 16));
_mm256_storeu_si256(compressed + 10, w0);
w1 = _mm256_lddqu_si256(in + 22);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 23), 16));
_mm256_storeu_si256(compressed + 11, w1);
w0 = _mm256_lddqu_si256(in + 24);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 25), 16));
_mm256_storeu_si256(compressed + 12, w0);
w1 = _mm256_lddqu_si256(in + 26);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 27), 16));
_mm256_storeu_si256(compressed + 13, w1);
w0 = _mm256_lddqu_si256(in + 28);
w0 = _mm256_or_si256(w0, _mm256_slli_epi32(_mm256_lddqu_si256(in + 29), 16));
_mm256_storeu_si256(compressed + 14, w0);
w1 = _mm256_lddqu_si256(in + 30);
w1 = _mm256_or_si256(w1, _mm256_slli_epi32(_mm256_lddqu_si256(in + 31), 16));
_mm256_storeu_si256(compressed + 15, w1);
}
/* we are going to pack 256 17-bit values, touching 17 256-bit words, using 272
* bytes */
static void avxpackblock17(const uint32_t *pin, __m256i *compressed) {