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// =================================================================================================
// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
// width of 100 characters per line.
//
// Author(s):
// Cedric Nugteren <www.cedricnugteren.nl>
//
// This file contains the batched version of the direct GEMM kernels. See part 1 for information
// about the non-batched version of the kernel.
//
// =================================================================================================
// Enables loading of this file using the C++ pre-processor's #include (C++11 standard raw string
// literal). Comment-out this line for syntax-highlighting when developing.
R"(
// =================================================================================================
// Direct version of the batched GEMM kernel with [A, B] = [non-transposed, non-transposed]
__attribute__((reqd_work_group_size(MDIMCD, NDIMCD, 1)))
__kernel void XgemmDirectBatchedNN(const int kSizeM, const int kSizeN, const int kSizeK,
const __constant real_arg* arg_alphas, const __constant real_arg* arg_betas,
const __global realMD* restrict agm, const __constant int* a_offsets, const int a_ld,
const __global realND* restrict bgm, const __constant int* b_offsets, const int b_ld,
__global real* cgm, const __constant int* c_offsets, const int c_ld,
const int c_transpose, const int a_conjugate, const int b_conjugate) {
const int batch = get_group_id(2);
const real_arg arg_alpha = arg_alphas[batch];
const real_arg arg_beta = arg_betas[batch];
const int a_offset = a_offsets[batch];
const int b_offset = b_offsets[batch];
const int c_offset = c_offsets[batch];
__local real alm[WGD * (WGD + PADA)];
__local real blm[WGD * (WGD + PADB)];
XgemmDirect(kSizeM, kSizeN, kSizeK, arg_alpha, arg_beta,
agm, a_offset, a_ld, bgm, b_offset, b_ld, cgm, c_offset, c_ld,
alm, blm, 0, 0, c_transpose, a_conjugate, b_conjugate);
}
// Direct version of the batched GEMM kernel with [A, B] = [non-transposed, transposed]
__attribute__((reqd_work_group_size(MDIMCD, NDIMCD, 1)))
__kernel void XgemmDirectBatchedNT(const int kSizeM, const int kSizeN, const int kSizeK,
const __constant real_arg* arg_alphas, const __constant real_arg* arg_betas,
const __global realMD* restrict agm, const __constant int* a_offsets, const int a_ld,
const __global realND* restrict bgm, const __constant int* b_offsets, const int b_ld,
__global real* cgm, const __constant int* c_offsets, const int c_ld,
const int c_transpose, const int a_conjugate, const int b_conjugate) {
const int batch = get_group_id(2);
const real_arg arg_alpha = arg_alphas[batch];
const real_arg arg_beta = arg_betas[batch];
const int a_offset = a_offsets[batch];
const int b_offset = b_offsets[batch];
const int c_offset = c_offsets[batch];
__local real alm[WGD * (WGD + PADA)];
__local real blm[WGD * (WGD + PADB)];
XgemmDirect(kSizeM, kSizeN, kSizeK, arg_alpha, arg_beta,
agm, a_offset, a_ld, bgm, b_offset, b_ld, cgm, c_offset, c_ld,
alm, blm, 0, 1, c_transpose, a_conjugate, b_conjugate);
}
// Direct version of the batched GEMM kernel with [A, B] = [transposed, non-transposed]
__attribute__((reqd_work_group_size(MDIMCD, NDIMCD, 1)))
__kernel void XgemmDirectBatchedTN(const int kSizeM, const int kSizeN, const int kSizeK,
const __constant real_arg* arg_alphas, const __constant real_arg* arg_betas,
const __global realMD* restrict agm, const __constant int* a_offsets, const int a_ld,
const __global realND* restrict bgm, const __constant int* b_offsets, const int b_ld,
__global real* cgm, const __constant int* c_offsets, const int c_ld,
const int c_transpose, const int a_conjugate, const int b_conjugate) {
const int batch = get_group_id(2);
const real_arg arg_alpha = arg_alphas[batch];
const real_arg arg_beta = arg_betas[batch];
const int a_offset = a_offsets[batch];
const int b_offset = b_offsets[batch];
const int c_offset = c_offsets[batch];
__local real alm[WGD * (WGD + PADA)];
__local real blm[WGD * (WGD + PADB)];
XgemmDirect(kSizeM, kSizeN, kSizeK, arg_alpha, arg_beta,
agm, a_offset, a_ld, bgm, b_offset, b_ld, cgm, c_offset, c_ld,
alm, blm, 1, 0, c_transpose, a_conjugate, b_conjugate);
}
// Direct version of the batched GEMM kernel with [A, B] = [transposed, transposed]
__attribute__((reqd_work_group_size(MDIMCD, NDIMCD, 1)))
__kernel void XgemmDirectBatchedTT(const int kSizeM, const int kSizeN, const int kSizeK,
const __constant real_arg* arg_alphas, const __constant real_arg* arg_betas,
const __global realMD* restrict agm, const __constant int* a_offsets, const int a_ld,
const __global realND* restrict bgm, const __constant int* b_offsets, const int b_ld,
__global real* cgm, const __constant int* c_offsets, const int c_ld,
const int c_transpose, const int a_conjugate, const int b_conjugate) {
const int batch = get_group_id(2);
const real_arg arg_alpha = arg_alphas[batch];
const real_arg arg_beta = arg_betas[batch];
const int a_offset = a_offsets[batch];
const int b_offset = b_offsets[batch];
const int c_offset = c_offsets[batch];
__local real alm[WGD * (WGD + PADA)];
__local real blm[WGD * (WGD + PADB)];
XgemmDirect(kSizeM, kSizeN, kSizeK, arg_alpha, arg_beta,
agm, a_offset, a_ld, bgm, b_offset, b_ld, cgm, c_offset, c_ld,
alm, blm, 1, 1, c_transpose, a_conjugate, b_conjugate);
}
// =================================================================================================
// End of the C++11 raw string literal
)"
// =================================================================================================
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