Merge pull request #1728 from martin-frbg/changelog
Add changes from the 0.3.x releases
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Martin Kroeker
GitHub
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Changelog.txt
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Changelog.txt
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OpenBLAS ChangeLog
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OpenBLAS ChangeLog
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====================================================================
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Version 0.3.2
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30-Jul-2018
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common:
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* fixes for regressions caused by the rewrite of the thread
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initialization code in 0.3.1
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POWER:
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* fixed cpu autodetection for the BSDs
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MIPS64:
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* fixed utest errors in AXPY, DSDOT, ROT and SWAP
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x86_64:
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* added autodetection of AMD Ryzen 2
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* fixed build with older versions of MSVC
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====================================================================
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Version 0.3.1
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01-Jul-2018
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common:
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* rewritten thread initialization code with significantly reduced overhead
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* added CBLAS interfaces to the IxAMIN BLAS extension functions
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* fixed the lapack-test target
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* CMAKE builds now create an OpenBLASConfig.cmake file
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* ZAXPY now uses a single thread for small input sizes
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* the LAPACK code was updated from Reference-LAPACK/lapack#253
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(fixing LAPACKE interfaces to Aasen's functions)
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POWER:
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* corrected CROT and ZROT behaviour with zero INC_X
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ARMV7:
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* corrected xDOT behaviour with zero INC_X or INC_Y
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x86_64:
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* retired some older targets of DYNAMIC_ARCH builds to a new option DYNAMIC_OLDER,
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this affects PENRYN,DUNNINGTON,OPTERON,OPTERON_SSE3,BOBCAT,ATOM and NANO
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(which will still be supported via the slower PRESCOTT kernels when this option is not set)
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* added an option DYNAMIC_LIST that (used in conjunction with DYNAMIC_ARCH) allows to
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specify the list of x86_64 targets to include. Any target not on the list will be supported
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by the Sandybridge or Nehalem kernels if available, or by Prescott.
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* improved SWITCH_RATIO on Haswell for increased GEMM throughput
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* added initial support for Intel Skylake X, including an AVX512 SGEMM kernel
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* added autodetection of Intel Cannon Lake series as Skylake X
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* added a default L2 cache size for hypervisors that return zero here (Chromebook)
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* fixed a name clash with recent Windows10 headers that broke the build with (at least)
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recent mingw from MSYS2
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* fixed a link error in mixed clang/gfortran builds with OpenMP
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* updated the OSX deployment target to 10.8
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* switched on parallel make for builds on MS Windows by default
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x86:
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* fixed SSWAP and DSWAP behaviour with zero INC_X and INC_Y
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====================================================================
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Version 0.3.0
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23-May-2108
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common:
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* fixed some more thread race and locking bugs
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* added preliminary support for calling an OpenMP build of the library from multiple threads
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* removed performance impact of thread locks added in 0.2.20 on OpenMP code
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* general code cleanup
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* optimized DSDOT implementation
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* improved thread distribution for GEMM
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* corrected IMATCOPY/OMATCOPY implementation
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* fixed out-of-bounds accesses in the multithreaded xBMV/xPMV and SYMV implementations
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* cmake build improvements
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* pkgconfig file now contains build options
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* openblas_get_config() now reports USE_OPENMP and NUM_THREADS settings used for the build
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* corrections and improvements for systems with more than 64 cpus
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* LAPACK code updated to 3.8.0 including later fixes
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* added ReLAPACK, a recursive implementation of several LAPACK functions
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* Rewrote ROTMG to handle cases that the netlib code failed to address
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* Disabled (broken) multithreading code for xTRMV
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* corrected prototypes of complex CBLAS functions to make our cblas.h match the generally accepted standard
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* shared memory access failures on startup are now handled more gracefully
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* restored utests from earlier releases (and made them pass on all affected systems)
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SPARC:
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* several fixes for cpu autodetection
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POWER:
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* corrected vector register overwriting in several Power8 kernels
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* optimized additional BLAS functions
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ARM:
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* added support for CortexA53 and A72
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* added autodetection for ThunderX2T99
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* made most optimized kernels the default for generic ARMv8 targets
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x86_64:
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* parallelized DDOT kernel for Haswell
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* changed alignment directives in assembly kernels to boost performance on OSX
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* fixed register handling in the GEMV microkernels (bug exposed by gcc7)
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* added support for building on OpenBSD and Dragonfly
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* updated compiler options to work with Intel release 2018
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* support fully optimized build with clang/flang on Microsoft Windows
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* fixed building on AIX
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IBM Z:
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* added optimized BLAS 1/2 functions
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MIPS:
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* fixed cpu autodetection helper code
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* added mips32 1004K cpu (Mediatek MT7621 and similar SoC)
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* added mips64 I6500 cpu
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====================================================================
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====================================================================
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Version 0.2.20
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Version 0.2.20
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24-Jul-2017
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24-Jul-2017
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