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Fix CBLAS_?GEMMT filling in the wrong triangle for Row-Major #4929

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merged 3 commits into from
Oct 11, 2024
Merged

Fix CBLAS_?GEMMT filling in the wrong triangle for Row-Major #4929

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9762464
Fix CBLAS interface filling in the wrong triangle for Row-Major
martin-frbg Oct 9, 2024
550bc77
Fix expectation values for CblasRowMajor order
martin-frbg Oct 10, 2024
7ba6591
Merge branch 'OpenMathLib:develop' into issue4905
martin-frbg Oct 10, 2024
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4 changes: 2 additions & 2 deletions interface/gemmt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -319,8 +319,8 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo,
lda = LDB;
ldb = LDA;

if (Uplo == CblasUpper) uplo = 0;
if (Uplo == CblasLower) uplo = 1;
if (Uplo == CblasUpper) uplo = 1;
if (Uplo == CblasLower) uplo = 0;

if (TransB == CblasNoTrans)
transa = 0;
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22 changes: 22 additions & 0 deletions utest/test_extensions/test_cgemmt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,28 @@ static void cgemmt_trusted(char api, enum CBLAS_ORDER order, char uplo, char tra

ldc *= 2;

#ifndef NO_CBLAS
if (order == CblasRowMajor) {
if (uplo == 'U' || uplo == CblasUpper)
{
for (i = 0; i < m; i++)
for (j = i * 2; j < m * 2; j+=2){
data_cgemmt.c_verify[i * ldc + j] =
data_cgemmt.c_gemm[i * ldc + j];
data_cgemmt.c_verify[i * ldc + j + 1] =
data_cgemmt.c_gemm[i * ldc + j + 1];
}
} else {
for (i = 0; i < m; i++)
for (j = 0; j <= i * 2; j+=2){
data_cgemmt.c_verify[i * ldc + j] =
data_cgemmt.c_gemm[i * ldc + j];
data_cgemmt.c_verify[i * ldc + j + 1] =
data_cgemmt.c_gemm[i * ldc + j + 1];
}
}
} else
#endif
if (uplo == 'L' || uplo == CblasLower)
{
for (i = 0; i < m; i++)
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15 changes: 15 additions & 0 deletions utest/test_extensions/test_dgemmt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,21 @@ static void dgemmt_trusted(char api, enum CBLAS_ORDER order, char uplo, char tra
else
cblas_dgemm(order, transa, transb, m, m, k, alpha, data_dgemmt.a_test, lda,
data_dgemmt.b_test, ldb, beta, data_dgemmt.c_gemm, ldc);

if (order == CblasRowMajor) {
if (uplo == 'U' || uplo == CblasUpper)
{
for (i = 0; i < m; i++)
for (j = i; j < m; j++)
data_dgemmt.c_verify[i * ldc + j] =
data_dgemmt.c_gemm[i * ldc + j];
} else {
for (i = 0; i < m; i++)
for (j = 0; j <= i; j++)
data_dgemmt.c_verify[i * ldc + j] =
data_dgemmt.c_gemm[i * ldc + j];
}
}else
#endif

if (uplo == 'L' || uplo == CblasLower)
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15 changes: 15 additions & 0 deletions utest/test_extensions/test_sgemmt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,21 @@ static void sgemmt_trusted(char api, enum CBLAS_ORDER order, char uplo, char tra
else
cblas_sgemm(order, transa, transb, m, m, k, alpha, data_sgemmt.a_test, lda,
data_sgemmt.b_test, ldb, beta, data_sgemmt.c_gemm, ldc);
if (order == CblasRowMajor) {
if (uplo == 'U' || uplo == CblasUpper)
{
for (i = 0; i < m; i++)
for (j = i; j < m; j++)
data_sgemmt.c_verify[i * ldc + j] =
data_sgemmt.c_gemm[i * ldc + j];
} else {
for (i = 0; i < m; i++)
for (j = 0; j <= i; j++)
data_sgemmt.c_verify[i * ldc + j] =
data_sgemmt.c_gemm[i * ldc + j];
}

} else
#endif

if (uplo == 'L' || uplo == CblasLower)
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23 changes: 22 additions & 1 deletion utest/test_extensions/test_zgemmt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,28 @@ static void zgemmt_trusted(char api, enum CBLAS_ORDER order, char uplo, char tra
#endif

ldc *= 2;

#ifndef NO_CBLAS
if (order == CblasRowMajor) {
if (uplo == 'U' || uplo == CblasUpper)
{
for (i = 0; i < m; i++)
for (j = i * 2; j < m * 2; j+=2){
data_zgemmt.c_verify[i * ldc + j] =
data_zgemmt.c_gemm[i * ldc + j];
data_zgemmt.c_verify[i * ldc + j + 1] =
data_zgemmt.c_gemm[i * ldc + j + 1];
}
} else {
for (i = 0; i < m; i++)
for (j = 0; j <= i * 2; j+=2){
data_zgemmt.c_verify[i * ldc + j] =
data_zgemmt.c_gemm[i * ldc + j];
data_zgemmt.c_verify[i * ldc + j + 1] =
data_zgemmt.c_gemm[i * ldc + j + 1];
}
}
}else
#endif
if (uplo == 'L' || uplo == CblasLower)
{
for (i = 0; i < m; i++)
Expand Down
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