SUSE-FU-2024:1075-1: important: Feature update for openblas

1 Apr 2024

      # Feature update for openblas

Announcement ID: SUSE-FU-2024:1075-1  
Rating: important  
References:

  * bsc#1221813
  * jsc#PED-7926
  * jsc#PED-7927

Affected Products:

  * Basesystem Module 15-SP5
  * HPC Module 15-SP5
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Package Hub 15 15-SP5

An update that contains two features and has one fix can now be installed.

## Description:

This update for openblas fixes the following issues:

openblas was updated from version 0.3.21 to version 0.3.25 (jsc#PED-7926,
jsc#PED-7927, bsc#1221813):

  * Changes in version 0.3.25:

  * General:

    * Improved the error message shown on exceeding the maximum thread count
    * Improved the code to add supplementary thread buffers in case of overflow
    * Fixed a potential division by zero in `?ROTG`
    * Improved the `?MATCOPY` functions to accept zero-sized rows or columns
    * Corrected empty prototypes in function declarations
    * cleaned up unused declarations in the f2c-converted versions of the LAPACK sources
    * Improved link line rewriting to avoid mixed libgomp/libomp builds with clang&gfortran
    * imported the following changes from the upcoming release 3.12 of Reference-LAPACK: LAPACK PR 900, LAPACK PR 904, LAPACK PR 907, LAPACK PR 909, LAPACK PR 926, LAPACK PR 927, LAPACK PR 928 & 930
  * Architecture x86-64:

    * Fixed capability-based fallback selection for unknown cpus in `DYNAMIC_ARCH`
    * Added AVX512 optimizations for `?ASUM` on Intel Sapphire Rapids and Cooper Lake
  * Architecture ARM64:

    * Fixed building with XCODE 15
    * Fixed building on A64FX and Cortex A710/X1/X2
    * increased the default buffer size for recent arm server cpus
  * Architecture POWER PC:

    * Added support for `DYNAMIC_ARCH` builds with clang
    * Fixed union declaration in the `BFLOAT16` test case
  * Changes in version 0.3.24:

  * General:

    * Declared the arguments of `cblas_xerbla` as `const` (in accordance with the reference implementation and others, the previous discrepancy appears to have dated back to GotoBLAS)
    * Fixed the implementation of `?GEMMT` that was added in 0.3.23
    * made cpu-specific `SWITCH_RATIO` parameters for GEMM available to `DYNAMIC_ARCH` builds
    * Fixed missing `SSYCONVF` function in the shared library
    * Fixed parallel build logic used with gmake
    * Fixed several issues with the handling of runtime limits on the number of OPENMP threads
    * Corrected the error code returned by `SGEADD`/`DGEADD` when LDA is too small
    * Corrected the error code returned by `IMATCOPY` when LDB is too small
    * Updated `?NRM2` to support negative increment values (as introduced in release 3.10.0 of the Reference BLAS)
    * Updated `?ROTG` to use the safe scaling algorithm introduced in release 3.10.0 of the Reference BLAS
    * Fixed OpenMP builds with CLANG for the case where libomp is not in a standard location
    * Fixed a potential overwrite of unrelated memory during thread initialisation on startup
    * Fixed a potential integer overflow in the multithreading threshold for `?SYMM`/`?SYRK`
    * Fixed build of the LAPACKE interfaces for the LAPACK 3.11.0 `?TRSYL` functions added in 0.3.22
    * Applied additions and corrections from the development branch of Reference-LAPACK:
    * Fixed actual arguments passed to a number of LAPACK functions (from Reference-LAPACK PR 885)
    * Fixed workspace query results in LAPACK `?SYTRF`/`?TRECV3` (from Reference-LAPACK PR 883)
    * Fixed derivation of the UPLO parameter in `LAPACKE_?larfb` (from Reference-LAPACK PR 878)
    * Fixed a crash in LAPACK `?GELSDD` on `NRHS=0` (from Reference-LAPACK PR 876)
    * Added new LAPACK utility functions `CRSCL` and `ZRSCL` (from Reference-LAPACK PR 839)
    * Corrected the order of eigenvalues for 2x2 matrices in `?STEMR` (Reference-LAPACK PR 867)
    * Removed spurious reference to OpenMP variables outside OpenMP contexts (Reference-LAPACK PR 860)
    * Updated file comments on use of `LAMBDA` variable in LAPACK (Reference-LAPACK PR 852)
    * Fixed documentation of LAPACK `SLASD0`/`DLASD0` (Reference-LAPACK PR 855)
    * Fixed confusing use of "minor" in LAPACK documentation (Reference-LAPACK PR 849)
    * Added new LAPACK functions ?GEDMD for dynamic mode decomposition (Reference-LAPACK PR 736)
    * Fixed potential stack overflows in the `EIG` part of the LAPACK testsuite (Reference-LAPACK PR 854)
    * Applied small improvements to the variants of Cholesky and QR functions (Reference-LAPACK PR 847)
    * Removed unused variables from LAPACK `?BDSQR` (Reference-LAPACK PR 832)
    * Fixed a potential crash on allocation failure in LAPACKE `SGEESX`/`DGEESX` (Reference-LAPACK PR 836)
    * Added a quick return from `SLARUV`/`DLARUV` for N < 1 (Reference-LAPACK PR 837)
    * Updated function descriptions in LAPACK `?GEGS`/`?GEGV` (Reference-LAPACK PR 831)
    * Improved algorithm description in `?GELSY` (Reference-LAPACK PR 833)
    * Fixed scaling in LAPACK `STGSNA`/`DTGSNA` (Reference-LAPACK PR 830)
    * Fixed crash in `LAPACKE_?geqrt` with row-major data (Reference-LAPACK PR 768)
    * Added LAPACKE interfaces for `C/ZUNHR_COL` and `S/DORHR_COL` (Reference-LAPACK PR 827)
    * Added error exit tests for `SYSV`/`SYTD2`/`GEHD2` to the testsuite (Reference-LAPACK PR 795)
    * Fixed typos in LAPACK source and comments (Reference-LAPACK PRs 809,811,812,814,820)
    * Adopt refactored `?GEBAL` implementation (Reference-LAPACK PR 808)
  * Architecture x86_64:

    * Added cpu model autodetection for Intel Alder Lake N
    * Added activation of the AMX tile to the Sapphire Rapids `SBGEMM` kernel
    * worked around miscompilations of GEMV/SYMV kernels by gcc's tree-vectorizer
    * Fixed runtime detection of Cooperlake and Sapphire Rapids in `DYNAMIC_ARCH`
    * Fixed feature-based cputype fallback in `DYNAMIC_ARCH`
    * Corrected `ZAXPY` result on old pre-AVX hardware for the `INCX=0` case
    * Fixed a potential use of uninitialized variables in ZTRSM
  * Architecture ARMV8:

    * implemented SWITCH_RATIO parameter for improved GEMM performance on Neoverse
    * activated SVE SGEMM and DGEMM kernels for Neoverse V1
    * Improved performance of the SVE CGEMM and ZGEMM kernels on Neoverse V1
    * Improved kernel selection for the ARMV8SVE target and added it to `DYNAMIC_ARCH`
    * Fixed runtime check for SVE availability in `DYNAMIC_ARCH` builds to take OS or container restrictions into account
    * Fixed a potential use of uninitialized variables in ZTRSM
  * Architecture POWER PC:

    * Fixed compiler warnings in the POWER10 SBGEMM kernel
  * Changes in version 0.3.23:

  * General:

    * Fixed a serious regression in `GETRF`/`GETF2` and `ZGETRF`/`ZGETF2` where subnormal but nonzero data elements triggered the singularity flag
    * Fixed a long-standing bug in `CSPR`/`ZSPR` in single-threaded operation
    * for cases where elements of the X vector are real numbers (or complex with only the real part zero)
  * Architecture x86_64:

    * Added further CPUID values for Intel Raptor Lake
  * Changes in version 0.3.22:

  * General:

    * Updated the included LAPACK to Reference-LAPACK release 3.11.0 plus post-release corrections and improvements
    * Added a threshold for multithreading in `SYMM`, `SYMV` and `SYR2K`
    * Increased the threshold for multithreading in `SYRK`
    * OpenBLAS no longer decreases the global `OMP_NUM_THREADS` when it exceeds the maximum thread count the library was compiled for.
    * Fixed `?GETF2` potentially returning `NaN` with tiny matrix elements
    * Fixed `openblas_set_num_threads` to work in `USE_OPENMP` builds.
    * Fixed cpu core counting in `USE_OPENMP` builds returning the number of OMP "places" rather than cores
    * Fixed stride calculation in the optimized small-matrix path of complex `SYR`
    * Fixed building of Reference-LAPACK with recent gfortran
    * Added new environment variable `OPENBLAS_DEFAULT_NUM_THREADS`
    * Added a GEMV-based implementation of `GEMMT`
  * Architecture x86_64:

    * Added autodetection of Intel Raptor Lake cpu models
    * Added SSCAL microkernels for Haswell and newer targets
    * Improved the performance of the Haswell DSCAL microkernel
    * Added CSCAL and ZSCAL microkernels for SkylakeX targets
    * Fixed detection of gfortran and Cray CCE compilers
    * Fixed runtime selection of COOPERLAKE in `DYNAMIC_ARCH` builds
    * Worked around gcc/llvm using risky FMA operations in CSCAL/ZSCAL
  * Architecture ARMV8:

    * Fixed cross-compilation to CortexA53 with CMAKE
    * Fixed compilation with CMAKE and "Arm Compiler for Linux 22.1"
    * Added cpu autodetection for Cortex X3 and A715
    * Fixed conditional compilation of SVE-capable targets in `DYNAMIC_ARCH`
    * sped up SVE kernels by removing unnecessary prefetches
    * Improved the GEMM performance of Neoverse V1
    * Added SVE kernels for SDOT and DDOT
    * Added an SBGEMM kernel for Neoverse N2
    * Improved cpu-specific compiler option selection for Neoverse cpus
    * Added support for setting `CONSISTENT_FPCSR`

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2024-1075=1 openSUSE-SLE-15.5-2024-1075=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-1075=1

  * HPC Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-HPC-15-SP5-2024-1075=1

  * SUSE Package Hub 15 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2024-1075=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * openblas_0_3_25-gnu12-hpc-debugsource-0.3.25-150500.4.5.1
    * libopenblas-gnu-hpc-devel-0.3.25-150500.4.5.1
    * openblas_0_3_25-gnu-hpc-debugsource-0.3.25-150500.4.5.1
    * openblas-pthreads_0_3_25-gnu12-hpc-debugsource-0.3.25-150500.4.5.1
    * libopenblas_pthreads0-debuginfo-0.3.25-150500.4.5.2
    * libopenblas-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * openblas-pthreads_0_3_25-gnu-hpc-devel-static-0.3.25-150500.4.5.1
    * openblas_serial-debugsource-0.3.25-150500.4.5.1
    * openblas_pthreads-devel-static-0.3.25-150500.4.5.2
    * libopenblas_pthreads0-0.3.25-150500.4.5.2
    * openblas_openmp-devel-static-0.3.25-150500.4.5.2
    * libopenblas_0_3_25-gnu-hpc-0.3.25-150500.4.5.1
    * openblas_openmp-debugsource-0.3.25-150500.4.5.2
    * libopenblas_pthreads-devel-0.3.25-150500.4.5.2
    * libopenblas-pthreads_0_3_25-gnu-hpc-0.3.25-150500.4.5.1
    * openblas-pthreads_0_3_25-gnu-hpc-debugsource-0.3.25-150500.4.5.1
    * openblas_0_3_25-gnu12-hpc-devel-static-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas_serial-devel-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * openblas-pthreads_0_3_25-gnu12-hpc-devel-static-0.3.25-150500.4.5.1
    * libopenblas_serial0-debuginfo-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas_openmp-devel-0.3.25-150500.4.5.2
    * openblas_serial-devel-static-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu12-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas_openmp0-0.3.25-150500.4.5.2
    * libopenblas-pthreads-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas_openmp0-debuginfo-0.3.25-150500.4.5.2
    * libopenblas-pthreads_0_3_25-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu12-hpc-debuginfo-0.3.25-150500.4.5.1
    * openblas_pthreads-debugsource-0.3.25-150500.4.5.2
    * libopenblas-pthreads-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas_serial0-0.3.25-150500.4.5.1
    * openblas-common-devel-0.3.25-150500.4.5.1
    * openblas_0_3_25-gnu-hpc-devel-static-0.3.25-150500.4.5.1
  * openSUSE Leap 15.5 (x86_64)
    * libopenblas_pthreads0-32bit-0.3.25-150500.4.5.2
    * libopenblas_openmp-devel-32bit-0.3.25-150500.4.5.2
    * libopenblas_pthreads-devel-32bit-0.3.25-150500.4.5.2
    * libopenblas_pthreads0-32bit-debuginfo-0.3.25-150500.4.5.2
    * libopenblas_openmp0-32bit-0.3.25-150500.4.5.2
    * libopenblas_serial-devel-32bit-0.3.25-150500.4.5.1
    * libopenblas_serial0-32bit-debuginfo-0.3.25-150500.4.5.1
    * libopenblas_openmp0-32bit-debuginfo-0.3.25-150500.4.5.2
    * libopenblas_serial0-32bit-0.3.25-150500.4.5.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * libopenblas_pthreads-devel-64bit-0.3.25-150500.4.5.2
    * libopenblas_serial0-64bit-0.3.25-150500.4.5.1
    * libopenblas_openmp-devel-64bit-0.3.25-150500.4.5.2
    * libopenblas_openmp0-64bit-0.3.25-150500.4.5.2
    * libopenblas_serial0-64bit-debuginfo-0.3.25-150500.4.5.1
    * libopenblas_serial-devel-64bit-0.3.25-150500.4.5.1
    * libopenblas_pthreads0-64bit-debuginfo-0.3.25-150500.4.5.2
    * libopenblas_pthreads0-64bit-0.3.25-150500.4.5.2
    * libopenblas_openmp0-64bit-debuginfo-0.3.25-150500.4.5.2
  * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    * libopenblas_openmp0-0.3.25-150500.4.5.2
    * libopenblas_pthreads0-0.3.25-150500.4.5.2
    * libopenblas_openmp0-debuginfo-0.3.25-150500.4.5.2
    * libopenblas_pthreads0-debuginfo-0.3.25-150500.4.5.2
    * openblas_openmp-debugsource-0.3.25-150500.4.5.2
    * openblas_serial-debugsource-0.3.25-150500.4.5.1
    * openblas-common-devel-0.3.25-150500.4.5.1
  * Basesystem Module 15-SP5 (aarch64 ppc64le x86_64)
    * openblas_pthreads-debugsource-0.3.25-150500.4.5.2
    * libopenblas_pthreads-devel-0.3.25-150500.4.5.2
  * Basesystem Module 15-SP5 (s390x)
    * libopenblas_openmp-devel-0.3.25-150500.4.5.2
  * HPC Module 15-SP5 (aarch64 x86_64)
    * openblas_0_3_25-gnu12-hpc-debugsource-0.3.25-150500.4.5.1
    * libopenblas-gnu-hpc-devel-0.3.25-150500.4.5.1
    * openblas_0_3_25-gnu-hpc-debugsource-0.3.25-150500.4.5.1
    * openblas-pthreads_0_3_25-gnu12-hpc-debugsource-0.3.25-150500.4.5.1
    * libopenblas-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu-hpc-0.3.25-150500.4.5.1
    * openblas-pthreads_0_3_25-gnu-hpc-debugsource-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu12-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu12-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas-pthreads_0_3_25-gnu12-hpc-0.3.25-150500.4.5.1
    * libopenblas_0_3_25-gnu12-hpc-debuginfo-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu12-hpc-0.3.25-150500.4.5.1
  * SUSE Package Hub 15 15-SP5 (ppc64le s390x)
    * libopenblas-pthreads-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas-pthreads-gnu-hpc-devel-0.3.25-150500.4.5.1
    * libopenblas-gnu-hpc-0.3.25-150500.4.5.1
    * libopenblas-gnu-hpc-devel-0.3.25-150500.4.5.1
  * SUSE Package Hub 15 15-SP5 (s390x)
    * libopenblas_pthreads0-0.3.25-150500.4.5.2
    * libopenblas_pthreads0-debuginfo-0.3.25-150500.4.5.2

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1221813
  * https://jira.suse.com/browse/PED-7926
  * https://jira.suse.com/browse/PED-7927

OPENSUSE-UPDATES

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