Comments (3)
martin-frbg
commented on July 23, 2024
Curious, the current DGEMM kernel for Haswell has been in use for years. Have you only started testing/using OpenBLAS recently, or did something else (like the default compiler version or options) change in your setup lately ?
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davidcl
commented on July 23, 2024
We were compiling without DYNAMIC_TARGET thus selecting NEHALEM arch as the minimal supported target. All the opened bugs are due to a more active cross-checking of Windows vs Linux results on our test base after the GCC 8 to GCC 11 Linux migration.
Note: all these corner-case bugs might or might not be valid at some points; eg. in that case, EPSILON might be acceptable in most codebases.
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brada4
commented on July 23, 2024
Symbolic result is e-7 off, so both code paths do very well at rounding artifacts
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Related Issues (20)
- [Windows] `cblas_sbstobf16` seg fault for big shapes HOT 8
- zscal: i*iInf≠ iInf*i and is not conformant to refBLAS
- dscal: `0 * nan` ≠ `nan * 0` and `0 * inf` ≠ `inf * 0` HOT 1
- AIX build breaks HOT 1
- gemm3m test failed HOT 3
- OpenBLAS 0.3.27 (same applies to 0.3.26) compiled with Intel oneAPI (latest) fails the testing - dblas3 and zblas1 tests are problematic HOT 6
- Parameter adjustment of [CZ]GEMM_DEFAULT_[PQ] for Neoverse V1 HOT 1
- A few openblas_utest_ext tests failed for cmake builds of OpenBLAS HOT 5
- ARM performance library comparisons HOT 4
- Build Error: Cannot build OpenBLAS with OpenMP enabled and having NUM_PARALLEL > 30 HOT 4
- Kaldi's NAN assert on Graviton3 HOT 21
- Cross compile problem HOT 7
- Slow performance of function `dsyev` and `dsyevx` (not fully paralleled) HOT 3
- Strange issues importing Numpy/OpenBLAS related to ulimit HOT 5
- Segfault in `sgemm` when used in `open-webui` HOT 24
- Support building with flang on windows HOT 16
- Thread callback for OpenMP backend HOT 9
- cblas.h has incorrect declarations when using HOT 4
- `bench_blas.py::test_gesdd` in Codspeed CI job HOT 9
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