C++ (Cpp) LIBXSMM_SGEMM Examples

Example #1

File: libxsmm_gemm.c Project: danielpeter/libxsmm

LIBXSMM_API_DEFINITION void libxsmm_sgemm(const char* transa, const char* transb,
  const libxsmm_blasint* m, const libxsmm_blasint* n, const libxsmm_blasint* k,
  const float* alpha, const float* a, const libxsmm_blasint* lda,
  const float* b, const libxsmm_blasint* ldb,
  const float* beta, float* c, const libxsmm_blasint* ldc)
{
  LIBXSMM_GEMM_DECLARE_FLAGS(flags, transa, transb, m, n, k, a, b, c);
  LIBXSMM_SGEMM(flags, *m, *n, *k,
    0 != alpha ? *alpha : ((float)LIBXSMM_ALPHA),
    a, *(lda ? lda : LIBXSMM_LD(m, k)), b, *(ldb ? ldb : LIBXSMM_LD(k, n)),
    0 != beta ? *beta : ((float)LIBXSMM_BETA),
    c, *(ldc ? ldc : LIBXSMM_LD(m, n)));
}

Example #2

File: libxsmm_gemm.c Project: xianyi/libxsmm

LIBXSMM_EXTERN_C LIBXSMM_RETARGETABLE void libxsmm_sgemm(const char* transa, const char* transb,
  const libxsmm_blasint* m, const libxsmm_blasint* n, const libxsmm_blasint* k,
  const float* alpha, const float* a, const libxsmm_blasint* lda,
  const float* b, const libxsmm_blasint* ldb,
  const float* beta, float* c, const libxsmm_blasint* ldc)
{
  int flags = LIBXSMM_FLAGS;
  flags = (0 != transa
      ? (('N' == *transa || 'n' == *transa) ? (flags & ~LIBXSMM_GEMM_FLAG_TRANS_A)
                                            : (flags |  LIBXSMM_GEMM_FLAG_TRANS_A))
      : flags);
  flags = (0 != transb
      ? (('N' == *transb || 'n' == *transb) ? (flags & ~LIBXSMM_GEMM_FLAG_TRANS_B)
                                            : (flags |  LIBXSMM_GEMM_FLAG_TRANS_B))
      : flags);
  assert(m && n && k && a && b && c);
  LIBXSMM_SGEMM(flags, *m, *n, *k,
    0 != alpha ? *alpha : ((float)LIBXSMM_ALPHA),
    a, *(lda ? lda : LIBXSMM_LD(m, k)), b, *(ldb ? ldb : LIBXSMM_LD(k, n)),
    0 != beta ? *beta : ((float)LIBXSMM_BETA),
    c, *(ldc ? ldc : LIBXSMM_LD(m, n)));
}