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learn-l6.c
145 lines (145 loc) · 3.88 KB
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learn-l6.c
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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "mmapfile.c"
#include "neuron.c"
/* assume WORD_WIDTH=32 */
typedef struct {
sfmt_t seed;
synapse s0[320][17], s1[544][27], s2[864][45], s3[1440][73],
s4[2336][120], s5[3840][196];
inertia n0[320][17], n1[544][27], n2[864][45], n3[1440][73],
n4[2336][120], n5[3840][196];
unsigned char r0[320], r1[544], r2[864], r3[1440], r4[2336], r5[3840];
} brain;
int main(int argc, char **argv)
{
int rtn = 0;
int i;
char mode;
int target_id;
mmapfile netfile;
char brain_path[] = "brain.img";
brain *net;
word ir[10], i0[17], i1[27], i2[45], i3[73], i4[120], i5[196];
int g0[320], g1[544], g2[864], g3[1440], g4[2336], g5[3840];
int b0[320], b1[544], b2[864], b3[1440], b4[2336], b5[3840];
int label;
if (2 <= argc)
mode = argv[1][0];
else
goto print_help;
if ('i' != mode && 3 != argc) {
print_help:
fprintf(stderr, "usage: %s [init|learn|test] [target_id]\n",
argv[0]);
abort();
}
if ('t' == mode || 'l' == mode) {
mmapfile labels, images;
if ('l' == mode) {
labels =
mmapfile_open("mnt/train-labels-idx1-ubyte", 1, 0, 60008);
images =
mmapfile_open("mnt/train-images-idx3-ubyte", 1, 0,
47040016);
} else {
labels =
mmapfile_open("mnt/t10k-labels-idx1-ubyte", 1, 0, 10008);
images =
mmapfile_open("mnt/t10k-images-idx3-ubyte", 1, 0, 7840016);
}
target_id = atoi(argv[2]);
label = ((char *) labels.addr)[8 + target_id];
assert(label < 10);
for (i = 0; i < 28 * 28 / 4; i++)
i5[i] =
((uint32_t *) images.addr)[4 + (target_id * 28 * 28 / 4) +
i];
mmapfile_close(labels);
mmapfile_close(images);
} else if ('i' == mode) {
uint32_t dummy = 0;
FILE *netf = fopen(brain_path, "w");
for (i = 0; i < sizeof(brain) / sizeof(uint32_t); i++)
fwrite(&dummy, sizeof(uint32_t), 1, netf);
fclose(netf);
} else
abort();
netfile = mmapfile_open(brain_path, 1, 1, sizeof(brain));
net = netfile.addr;
if ('i' == mode) {
sfmt_init_gen_rand(&net->seed, 123456);
sfmt_fill_array32(&net->seed, net->s0,
(offsetof(brain, n0) -
offsetof(brain, s0)) / sizeof(uint32_t));
} else {
unsigned int miss = 0, rst[10];
#define GUESS_CORE(layer,wc,nc) \
for (i = 0; i < nc; i++)\
g##layer[i] =\
propagation_guess_core(wc, net->s##layer[i], i##layer)
#define GUESS(cur,wc,nc,up) \
GUESS_CORE(cur, wc, nc);\
propagation_word_core(nc / WORD_WIDTH, g##cur, i##up)
GUESS(5, 196, 3840, 4);
GUESS(4, 120, 2336, 3);
GUESS(3, 73, 1440, 2);
GUESS(2, 45, 864, 1);
GUESS(1, 27, 544, 0);
GUESS(0, 17, 320, r);
for (i = 0; i < 10; i++) {
rst[i] = popcount(ir[i]);
if (miss < rst[i] && i != label)
miss = rst[i];
printf("%i ", rst[i]);
}
for (i = 0; i < 10; i++) {
int n, back = 0;
if (i == label)
back = 1;
else if (rst[i] >= miss)
back = -1;
for (n = 0; n < WORD_WIDTH; n++)
b0[i * WORD_WIDTH + n] = back;
}
printf(":%u-%u %i\n", miss, rst[label], label);
if (miss >= rst[label])
rtn = 1;
if ('l' == mode) {
#define BACK(cur,under,wc,nc) \
{\
unsigned int edge = 0, flat = 0, acc = 0;\
unsigned int dw = wc * WORD_WIDTH;\
dw = delta_width_core(dw, nc, g##cur, b##cur);\
if (NULL != under)\
for (i = 0; i < wc * WORD_WIDTH; i++)\
((int *) under)[i] = 0;\
for (i = 0; i < nc; i++)\
switch (backpropagation_core\
(0, &net->seed, dw, net->r##cur + i, g##cur[i],\
b##cur[i], wc, i##cur, net->s##cur[i],\
net->n##cur[i], under)) {\
case 1:\
edge++;\
break;\
case 2:\
acc++;\
break;\
case 3:\
flat++;\
break;\
}\
printf("[%u,%u,%u,%u]", dw, edge, acc, flat);\
}
BACK(0, b1, 17, 320);
BACK(1, b2, 27, 544);
BACK(2, b3, 45, 864);
BACK(3, b4, 73, 1440);
BACK(4, b5, 120, 2336);
BACK(5, NULL, 196, 3840);
}
}
mmapfile_close(netfile);
return rtn;
}