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TRMM add back sample, correct documentation
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/* ************************************************************************ | ||
* Copyright (C) 2016-2023 Advanced Micro Devices, Inc. All rights reserved. | ||
* | ||
* Permission is hereby granted, free of charge, to any person obtaining a copy | ||
* of this software and associated documentation files (the "Software"), to deal | ||
* in the Software without restriction, including without limitation the rights | ||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
* copies of the Software, and to permit persons to whom the Software is | ||
* furnished to do so, subject to the following conditions: | ||
* | ||
* The above copyright notice and this permission notice shall be included in | ||
* all copies or substantial portions of the Software. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
* SOFTWARE. | ||
* | ||
* ************************************************************************ */ | ||
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#include <hipblas/hipblas.h> | ||
#include <iostream> | ||
#include <limits> | ||
#include <math.h> // isnan | ||
#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <vector> | ||
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#ifndef CHECK_HIP_ERROR | ||
#define CHECK_HIP_ERROR(error) \ | ||
if(error != hipSuccess) \ | ||
{ \ | ||
fprintf(stderr, \ | ||
"Hip error: '%s'(%d) at %s:%d\n", \ | ||
hipGetErrorString(error), \ | ||
error, \ | ||
__FILE__, \ | ||
__LINE__); \ | ||
exit(EXIT_FAILURE); \ | ||
} | ||
#endif | ||
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#ifndef CHECK_HIPBLAS_ERROR | ||
#define CHECK_HIPBLAS_ERROR(error) \ | ||
if(error != HIPBLAS_STATUS_SUCCESS) \ | ||
{ \ | ||
fprintf(stderr, "hipBLAS error: "); \ | ||
if(error == HIPBLAS_STATUS_NOT_INITIALIZED) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_NOT_INITIALIZED"); \ | ||
if(error == HIPBLAS_STATUS_ALLOC_FAILED) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_ALLOC_FAILED"); \ | ||
if(error == HIPBLAS_STATUS_INVALID_VALUE) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_INVALID_VALUE"); \ | ||
if(error == HIPBLAS_STATUS_MAPPING_ERROR) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_MAPPING_ERROR"); \ | ||
if(error == HIPBLAS_STATUS_EXECUTION_FAILED) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_EXECUTION_FAILED"); \ | ||
if(error == HIPBLAS_STATUS_INTERNAL_ERROR) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_INTERNAL_ERROR"); \ | ||
if(error == HIPBLAS_STATUS_NOT_SUPPORTED) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_NOT_SUPPORTED"); \ | ||
if(error == HIPBLAS_STATUS_INVALID_ENUM) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_INVALID_ENUM"); \ | ||
if(error == HIPBLAS_STATUS_UNKNOWN) \ | ||
fprintf(stderr, "HIPBLAS_STATUS_UNKNOWN"); \ | ||
fprintf(stderr, "\n"); \ | ||
exit(EXIT_FAILURE); \ | ||
} | ||
#endif | ||
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#define DIM1 4 | ||
#define DIM2 4 | ||
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// reference code for trmm (triangle matrix matrix multiplication) | ||
template <typename T> | ||
void trmm_reference(hipblasSideMode_t side, | ||
hipblasFillMode_t uplo, | ||
hipblasOperation_t trans, | ||
hipblasDiagType_t diag, | ||
int M, | ||
int N, | ||
T alpha, | ||
const T* A, | ||
int lda, | ||
const T* B, | ||
int ldb, | ||
T* C, | ||
int ldc) | ||
{ | ||
int As1 = HIPBLAS_OP_N == trans ? 1 : lda; | ||
int As2 = HIPBLAS_OP_N == trans ? lda : 1; | ||
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// this is 3 loop gemm algorithm with non-relevant triangle part masked | ||
if(HIPBLAS_SIDE_LEFT == side) | ||
{ | ||
for(int i1 = 0; i1 < M; i1++) | ||
{ | ||
for(int i2 = 0; i2 < N; i2++) | ||
{ | ||
T t = 0.0; | ||
for(int i3 = 0; i3 < M; i3++) | ||
{ | ||
if((i1 == i3) && (HIPBLAS_DIAG_UNIT == diag)) | ||
{ | ||
t += B[i3 + i2 * ldb]; | ||
} | ||
else if(((i3 > i1) && (HIPBLAS_FILL_MODE_UPPER == uplo)) | ||
|| ((i1 > i3) && (HIPBLAS_FILL_MODE_LOWER == uplo)) | ||
|| ((i1 == i3) && (HIPBLAS_DIAG_NON_UNIT == diag))) | ||
{ | ||
t += A[i1 * As1 + i3 * As2] * B[i3 + i2 * ldb]; | ||
} | ||
} | ||
C[i1 + i2 * ldc] = alpha * t; | ||
} | ||
} | ||
} | ||
else if(HIPBLAS_SIDE_RIGHT == side) | ||
{ | ||
for(int i1 = 0; i1 < M; i1++) | ||
{ | ||
for(int i2 = 0; i2 < N; i2++) | ||
{ | ||
T t = 0.0; | ||
for(int i3 = 0; i3 < N; i3++) | ||
{ | ||
if((i3 == i2) && (HIPBLAS_DIAG_UNIT == diag)) | ||
{ | ||
t += B[i1 + i3 * ldb]; | ||
} | ||
else if(((i2 > i3) && (HIPBLAS_FILL_MODE_UPPER == uplo)) | ||
|| ((i3 > i2) && (HIPBLAS_FILL_MODE_LOWER == uplo)) | ||
|| ((i3 == i2) && (HIPBLAS_DIAG_NON_UNIT == diag))) | ||
{ | ||
t += B[i1 + i3 * ldb] * A[i3 * As1 + i2 * As2]; | ||
} | ||
} | ||
C[i1 + i2 * ldc] = alpha * t; | ||
} | ||
} | ||
} | ||
} | ||
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int main() | ||
{ | ||
hipblasSideMode_t side = HIPBLAS_SIDE_LEFT; | ||
hipblasFillMode_t uplo = HIPBLAS_FILL_MODE_UPPER; | ||
hipblasOperation_t transa = HIPBLAS_OP_N; | ||
hipblasDiagType_t diag = HIPBLAS_DIAG_NON_UNIT; | ||
float alpha = 1.0; | ||
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int m = DIM1, n = DIM2; | ||
int lda, ldb, ldc, size_a, size_b, size_c; | ||
std::cout << "strmm V3 example" << std::endl; | ||
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if(HIPBLAS_SIDE_LEFT == side) | ||
{ | ||
lda = m; | ||
size_a = m * lda; | ||
std::cout << "left"; | ||
} | ||
else if(HIPBLAS_SIDE_RIGHT == side) | ||
{ | ||
lda = n; | ||
size_a = n * lda; | ||
std::cout << "right"; | ||
} | ||
HIPBLAS_FILL_MODE_UPPER == uplo ? std::cout << ",upper" : std::cout << ",lower"; | ||
HIPBLAS_OP_N == transa ? std::cout << ",N" : std::cout << ",T"; | ||
HIPBLAS_DIAG_NON_UNIT == diag ? std::cout << ",non_unit_diag:" : std::cout << ",unit_diag:"; | ||
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ldb = m; | ||
size_b = n * ldb; | ||
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ldc = m; | ||
size_c = n * ldc; | ||
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// Naming: da is in GPU (device) memory. ha is in CPU (host) memory | ||
std::vector<float> ha(size_a); | ||
std::vector<float> hb(size_b); | ||
std::vector<float> hc(size_c); | ||
std::vector<float> hc_gold(size_c); | ||
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// initial data on host | ||
srand(1); | ||
for(int i = 0; i < size_a; ++i) | ||
{ | ||
// ha[i] = 1.0; | ||
ha[i] = rand() % 17; | ||
} | ||
for(int i = 0; i < size_b; ++i) | ||
{ | ||
// hb[i] = 1.0; | ||
hb[i] = rand() % 17; | ||
} | ||
for(int i = 0; i < size_c; ++i) | ||
{ | ||
// hc[i] = 1.0; | ||
hc[i] = rand() % 17; | ||
} | ||
hc_gold = hc; | ||
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// allocate memory on device | ||
float *da, *db, *dc; | ||
CHECK_HIP_ERROR(hipMalloc(&da, size_a * sizeof(float))); | ||
CHECK_HIP_ERROR(hipMalloc(&db, size_b * sizeof(float))); | ||
CHECK_HIP_ERROR(hipMalloc(&dc, size_c * sizeof(float))); | ||
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// copy matrices from host to device | ||
CHECK_HIP_ERROR(hipMemcpy(da, ha.data(), sizeof(float) * size_a, hipMemcpyHostToDevice)); | ||
CHECK_HIP_ERROR(hipMemcpy(db, hb.data(), sizeof(float) * size_b, hipMemcpyHostToDevice)); | ||
CHECK_HIP_ERROR(hipMemcpy(dc, hc.data(), sizeof(float) * size_c, hipMemcpyHostToDevice)); | ||
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hipblasHandle_t handle; | ||
CHECK_HIPBLAS_ERROR(hipblasCreate(&handle)); | ||
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CHECK_HIPBLAS_ERROR( | ||
hipblasStrmm(handle, side, uplo, transa, diag, m, n, &alpha, da, lda, db, ldb, dc, ldc)); | ||
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// copy output from device to CPU | ||
CHECK_HIP_ERROR(hipMemcpy(hc.data(), dc, sizeof(float) * size_c, hipMemcpyDeviceToHost)); | ||
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std::cout << "m, n, lda, ldb, ldc = " << m << ", " << n << ", " << lda << ", " << ldb << ", " | ||
<< ldc << std::endl; | ||
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// calculate golden or correct result | ||
trmm_reference<float>( | ||
side, uplo, transa, diag, m, n, alpha, ha.data(), lda, hb.data(), ldb, hc_gold.data(), ldc); | ||
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float max_relative_error = 0; | ||
for(int i = 0; i < size_c; i++) | ||
{ | ||
std::cout << "i, hc_gold[i], hc[i] = " << i << ", " << hc_gold[i] << ", " << hc[i] | ||
<< std::endl; | ||
float relative_error = hc_gold[i] != 0 ? (hc_gold[i] - hc[i]) / hc_gold[i] : 0; | ||
relative_error = relative_error > 0 ? relative_error : -relative_error; | ||
max_relative_error | ||
= relative_error < max_relative_error ? max_relative_error : relative_error; | ||
} | ||
float eps = std::numeric_limits<float>::epsilon(); | ||
float tolerance = 10; | ||
if(isnan(max_relative_error) || max_relative_error > eps * tolerance) | ||
{ | ||
std::cout << "FAIL: max_relative_error = " << max_relative_error << std::endl; | ||
} | ||
else | ||
{ | ||
std::cout << "PASS: max_relative_error = " << max_relative_error << std::endl; | ||
} | ||
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CHECK_HIP_ERROR(hipFree(da)); | ||
CHECK_HIP_ERROR(hipFree(db)); | ||
CHECK_HIP_ERROR(hipFree(dc)); | ||
CHECK_HIPBLAS_ERROR(hipblasDestroy(handle)); | ||
return EXIT_SUCCESS; | ||
} |
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