New
OpenBLAS 0.3.31 version
general:
- reverted a matrix partitioning optimization from 0.3.30 that could lead to race conditions and subsequent invalid results in GEMM
- added the bfloat16 extensions BGEMM and BGEMV
- added a BLAS interface for the ?GEMM_BATCH extensions
- added the BLAS extensions ?GEMM_BATCH_STRIDED and their CBLAS interface
- added the basic infrastructure for half-precision float (FP16) format using SH prefix
- reimplemented the LAPACK SLAED3/DLAED3 function using multithreading, thereby improving the performance of the SSYEVD/DSYEVD eigensolver for symmetric matrices on all platforms
- limited the number of retries for initial memory allocation to avoid infinite hanging on low-memory systems
- fixed a thread lockup situation encountered with python 3.9 or older and numpy
- introduced a problem size threshold for multithreading in STRMV/DTRMV
- introduced a problem size threshold for multithreading in CHER/CHER2/CHPR/CHPR2 and ZHER/ZHER2/ZHPR/ZHPR2
- improved the problem size thresholds for multithreading in SGER/DGER
- improved autodetection of the Fortran compiler
- fixed passing of the INTERFACE64=1 option to the flang-new compiler
- fixed a potential deadlock in multithreaded code after calling fork()
- fixed builds using CMake on FreeBSD
- fixed builds using CMake from within Cygwin on Windows
- fixed builds using CMake and the NVHPC compiler on ARM64
- fixed CMake build error from misdetecting compiler or OpenMP versions
- improved contents of the CMake-generated OpenBLASConfig.cmake file
- added support for cross-compilation to RISCV targets via CMake
- fixed cross-compilation to x86 targets from non-x86 architectures
- fixed failure to install cblas.h if NO_CBLAS=0 was specified
- fixed missing user-defined pre- and postfixes on functions in lapack.h,lapacke.h
- included fixes from the Reference-LAPACK project:
- fix ordering bug in ?LAED/?LASD (Reference-LAPACK PR 1140)
- revert changes in ?GEEV from PR 1129 (Reference-LAPACK PR 1142)
- fix workspace allocation in LAPACKE_?TRSEN (Reference-LAPACK PR 1144)
riscv:
- added optimized SBGEMM kernels for ZVL128B and ZVL256B targets
- added optimized SHGEMM kernels for ZVL128B and ZVL256B targets
- added optimized SBGEMV and SHGEMV kernels for ZVL128B/ZVL256B
- improved performance of the GEMV kernel for ZVL256B
- improved the performance of the CROT and ZROT kernels for ZVL128B and x280
- improved the detection of RVV1.0 capability
- improved performance of the matrix packing helper functions for ZVL128B and ZVL256B
- improved performance of OMATCOPY for ZVL128B and ZVL256B
arm:
- fixed spurious executable stack in the getarch utility
arm64:
- fixed spurious executable stack in the getarch utility
- fixed compiler warnings arising from the timer macro RPCC
- fixed cache size detection for Qualcomm Oryon under Windows on Arm
- fixed argument handling in the default SVE kernel for SDOT/DDOT
- building the BFLOAT16 kernels is now enabled by default
- improved the overall performance of GEMM,SYMM and HEMM on A64FX
- improved the performance of SDOT/DDOT on A64FX
- improved the multithreading performance of SDOT/DDOT on A64FX by introduction of a throttling table matching thread count to problem size
- improved the performance of SGER/DGER on A64FX and NEOVERSEV1
- improved the multithreading performance of GEMM on A64FX and NEOVERSEV1
- improved the performance of the GEMV kernel for SVE-capable targets
- improved the multithreading performance of SGEMM on NEOVERSEV1 and V2
- added optimized SAXPY/DAXPY SVE kernels for A64FX and NEOVERSEV1
- added optimized BGEMM and BGEMV kernels for NEOVERSEV1
- added an optimized BGEMM kernel for NEOVERSEN2
- added support for the NEOVERSEV2 cpu
- added dedicated support for the Apple M4 cpu as VORTEXM4
- added optimized SGEMM/SSYMM/STRMM/SSYRK/SSYR2K for SME-capable targets (ARMV9SME and VORTEXM4)
- improved the precision of the SNRM2 kernel
- added cpu autodetection and compiler settings for Ampere One processors
- fixed cpu autodetection for Apple M systems running Linux
- fixed building on MacOS with AppleClang,gfortran and xcode v16 or newer
- fixed several errors in the C code replacements for the complex and double precision complex LAPACK functions that get used (only) when compiling with Microsoft C and NOFORTRAN=1 under MS Windows
power:
- added initial support for the POWER11 architecture
- improved performance of DGEMM and DGEMV on POWER10
- fixed the default compiler flags to use "-O3" instead of the possibly unsafe "-Ofast"
- fixed building under MacOS (for old G4 Macs) with CMake
- fixed potential miscompilation of DGEMV and other assembly kernels by gcc15.1
- fixed compilation with recent versions of flang
loongarch64:
- fixed warnings and potential inaccuracies arising from incorrect saving of registers
- fixed enumeration of logical cores on big NUMA servers
- fixed building with LLVM and the INTERFACE64=1 option
x86:
- fixed building the GEMM3M kernels for the GENERIC target
- fixed several errors in the C code replacements for the complex and double precision complex LAPACK functions that get used (only) when compiling with Microsoft C and NOFORTRAN=1 under MS Windows
x86_64:
- added cpu autodetection for Intel Lunar Lake (Core Ultra 200V)
- changed all ?MIN and ?MAX assembly kernels to use unaligned operations
- fixed several errors in the C code replacements for the complex and double precision complex LAPACK functions that get used (only) when compiling with Microsoft C and NOFORTRAN=1 under MS Windows
- fixed potential crashes in builds for Cooper Lake, Sapphire Rapids or Zen5 cpus under MS Windows
zarch:
- added support for building with CMake
sparc:
- fixed a potential crash in the DNRM2 kernel
general:
- reverted a matrix partitioning optimization from 0.3.30 that could lead to race conditions and subsequent invalid results in GEMM
- added the bfloat16 extensions BGEMM and BGEMV
- added a BLAS interface for the ?GEMM_BATCH extensions
- added the BLAS extensions ?GEMM_BATCH_STRIDED and their CBLAS interface
- added the basic infrastructure for half-precision float (FP16) format using SH prefix
- reimplemented the LAPACK SLAED3/DLAED3 function using multithreading, thereby improving the performance of the SSYEVD/DSYEVD eigensolver for symmetric matrices on all platforms
- limited the number of retries for initial memory allocation to avoid infinite hanging on low-memory systems
- fixed a thread lockup situation encountered with python 3.9 or older and numpy
- introduced a problem size threshold for multithreading in STRMV/DTRMV
- introduced a problem size threshold for multithreading in CHER/CHER2/CHPR/CHPR2 and ZHER/ZHER2/ZHPR/ZHPR2
- improved the problem size thresholds for multithreading in SGER/DGER
- improved autodetection of the Fortran compiler
- fixed passing of the INTERFACE64=1 option to the flang-new compiler
- fixed a potential deadlock in multithreaded code after calling fork()
- fixed builds using CMake on FreeBSD
- fixed builds using CMake from within Cygwin on Windows
- fixed builds using CMake and the NVHPC compiler on ARM64
- fixed CMake build error from misdetecting compiler or OpenMP versions
- improved contents of the CMake-generated OpenBLASConfig.cmake file
- added support for cross-compilation to RISCV targets via CMake
- fixed cross-compilation to x86 targets from non-x86 architectures
- fixed failure to install cblas.h if NO_CBLAS=0 was specified
- fixed missing user-defined pre- and postfixes on functions in lapack.h,lapacke.h
- included fixes from the Reference-LAPACK project:
- fix ordering bug in ?LAED/?LASD (Reference-LAPACK PR 1140)
- revert changes in ?GEEV from PR 1129 (Reference-LAPACK PR 1142)
- fix workspace allocation in LAPACKE_?TRSEN (Reference-LAPACK PR 1144)
riscv:
- added optimized SBGEMM kernels for ZVL128B and ZVL256B targets
- added optimized SHGEMM kernels for ZVL128B and ZVL256B targets
- added optimized SBGEMV and SHGEMV kernels for ZVL128B/ZVL256B
- improved performance of the GEMV kernel for ZVL256B
- improved the performance of the CROT and ZROT kernels for ZVL128B and x280
- improved the detection of RVV1.0 capability
- improved performance of the matrix packing helper functions for ZVL128B and ZVL256B
- improved performance of OMATCOPY for ZVL128B and ZVL256B
arm:
- fixed spurious executable stack in the getarch utility
arm64:
- fixed spurious executable stack in the getarch utility
- fixed compiler warnings arising from the timer macro RPCC
- fixed cache size detection for Qualcomm Oryon under Windows on Arm
- fixed argument handling in the default SVE kernel for SDOT/DDOT
- building the BFLOAT16 kernels is now enabled by default
- improved the overall performance of GEMM,SYMM and HEMM on A64FX
- improved the performance of SDOT/DDOT on A64FX
- improved the multithreading performance of SDOT/DDOT on A64FX by introduction of a throttling table matching thread count to problem size
- improved the performance of SGER/DGER on A64FX and NEOVERSEV1
- improved the multithreading performance of GEMM on A64FX and NEOVERSEV1
- improved the performance of the GEMV kernel for SVE-capable targets
- improved the multithreading performance of SGEMM on NEOVERSEV1 and V2
- added optimized SAXPY/DAXPY SVE kernels for A64FX and NEOVERSEV1
- added optimized BGEMM and BGEMV kernels for NEOVERSEV1
- added an optimized BGEMM kernel for NEOVERSEN2
- added support for the NEOVERSEV2 cpu
- added dedicated support for the Apple M4 cpu as VORTEXM4
- added optimized SGEMM/SSYMM/STRMM/SSYRK/SSYR2K for SME-capable targets (ARMV9SME and VORTEXM4)
- improved the precision of the SNRM2 kernel
- added cpu autodetection and compiler settings for Ampere One processors
- fixed cpu autodetection for Apple M systems running Linux
- fixed building on MacOS with AppleClang,gfortran and xcode v16 or newer
- fixed several errors in the C code replacements for the complex and double precision complex LAPACK functions that get used (only) when compiling with Microsoft C and NOFORTRAN=1 under MS Windows
power:
- added initial support for the POWER11 architecture
- improved performance of DGEMM and DGEMV on POWER10
- fixed the default compiler flags to use "-O3" instead of the possibly unsafe "-Ofast"
- fixed building under MacOS (for old G4 Macs) with CMake
- fixed potential miscompilation of DGEMV and other assembly kernels by gcc15.1
- fixed compilation with recent versions of flang
loongarch64:
- fixed warnings and potential inaccuracies arising from incorrect saving of registers
- fixed enumeration of logical cores on big NUMA servers
- fixed building with LLVM and the INTERFACE64=1 option
x86:
- fixed building the GEMM3M kernels for the GENERIC target
- fixed several errors in the C code replacements for the complex and double precision complex LAPACK functions that get used (only) when compiling with Microsoft C and NOFORTRAN=1 under MS Windows
x86_64:
- added cpu autodetection for Intel Lunar Lake (Core Ultra 200V)
- changed all ?MIN and ?MAX assembly kernels to use unaligned operations
- fixed several errors in the C code replacements for the complex and double precision complex LAPACK functions that get used (only) when compiling with Microsoft C and NOFORTRAN=1 under MS Windows
- fixed potential crashes in builds for Cooper Lake, Sapphire Rapids or Zen5 cpus under MS Windows
zarch:
- added support for building with CMake
sparc:
- fixed a potential crash in the DNRM2 kernel
md5sums: 05050271d9196f65bc4ac3a89c6a3b05 OpenBLAS-0.3.31.tar.gz 5480a9052e083e7abc9a3298fbf9079b OpenBLAS-0.3.31.zip e9a72628979846f456ac04c440b0ede5 OpenBLAS-0.3.31-x86.zip c6d0e83e9a543386291ade73022dc249 OpenBLAS-0.3.31-x64.zip 437f0c0611f7a473d3bd38e1e25ec967 OpenBLAS-0.3.31-x64-64.zip a0c1f8b37fad9bd866dc924d3bc090a4 OpenBLAS-0.3.31-woa64-static.zip fb16c99278818db855c26a3c786c470f OpenBLAS-0.3.31-woa64-dll.zip 53d3bb3e234437d6d8e43d76840c0bd6 OpenBLAS-0.3.31-woa64-64-static.zip 27474c9090dca9ca8231d2ee0d966272 OpenBLAS-0.3.31-woa64-64-dll.zip