286 lines
11 KiB
Plaintext
286 lines
11 KiB
Plaintext
OpenBLAS ChangeLog
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====================================================================
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Version 0.2.7
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20-Jul-2013
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common:
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* Support LSB (Linux Standard Base) 4.1.
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e.g. make CC=lsbcc
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* Include LAPACK 3.4.2 source codes to the repo.
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Avoid downloading at compile time.
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* Add NO_PARALLEL_MAKE flag to disable parallel make.
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* Create openblas_get_parallel to retrieve information which
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parallelization model is used by OpenBLAS. (Thank grisuthedragon)
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* Detect LLVM/Clang compiler. The default compiler is Clang on Mac OS X.
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* Change LIBSUFFIX from .lib to .a on windows.
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* A walk round for dtrti_U single thread bug. Replace it with LAPACK codes. (#191)
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x86/x86-64:
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* Optimize c/zgemm, trsm, dgemv_n, ddot, daxpy, dcopy on
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AMD Bulldozer. (Thank Werner Saar)
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* Add Intel Haswell support (using Sandybridge optimizations).
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(Thank Dan Luu)
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* Add AMD Piledriver support (using Bulldozer optimizations).
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* Fix the computational error in zgemm avx kernel on
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Sandybridge. (#237)
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* Fix the overflow bug in gemv.
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* Fix the overflow bug in multi-threaded BLAS3, getrf when NUM_THREADS
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is very large.(#214, #221, #246).
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MIPS64:
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* Support loongcc (Open64 based) compiler for ICT Loongson 3A/B.
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Power:
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* Support Power7 by old Power6 kernels. (#220)
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====================================================================
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Version 0.2.6
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2-Mar-2013
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common:
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* Improved OpenMP performance slightly. (d744c9)
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* Improved cblas.h compatibility with Intel MKL.(#185)
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* Fixed the overflowing bug in single thread cholesky factorization.
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* Fixed the overflowing buffer bug of multithreading hbmv and sbmv.(#174)
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x86/x86-64:
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* Added AMD Bulldozer x86-64 S/DGEMM AVX kernels. (Thank Werner Saar)
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We will tune the performance in future.
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* Auto-detect Intel Xeon E7540.
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* Fixed the overflowing buffer bug of gemv. (#173)
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* Fixed the bug of s/cdot about invalid reading NAN on x86_64. (#189)
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MIPS64:
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====================================================================
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Version 0.2.5
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26-Nov-2012
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common:
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* Added NO_SHARED flag to disable generating the shared library.
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* Compile LAPACKE with ILP64 modle when INTERFACE64=1 (#158)
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* Export LAPACK 3.4.2 symbols in shared library. (#147)
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* Only detect the number of physical CPU cores on Mac OSX. (#157)
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* Fixed NetBSD build. (#155)
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* Fixed compilation with TARGET=GENERIC. (#160)
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x86/x86-64:
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* Restore the original CPU affinity when calling
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openblas_set_num_threads(1) (#153)
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* Fixed a SEGFAULT bug in dgemv_t when m is very large.(#154)
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MIPS64:
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====================================================================
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Version 0.2.4
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8-Oct-2012
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common:
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* Upgraded LAPACK to 3.4.2 version. (#145)
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* Provided support for passing CFLAGS, FFLAGS, PFLAGS,
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FPFLAGS to make. (#137)
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* f77blas.h:compatibility for compilers without C99 complex
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number support. (#141)
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x86/x86-64:
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* Added NO_AVX flag. Check OS supporting AVX on runtime. (#139)
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* Fixed zdot incompatibility ABI issue with GCC 4.7 on
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Windows 32-bit. (#140)
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MIPS64:
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* Fixed the generation of shared library bug.
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* Fixed the detection bug on the Loongson 3A server.
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====================================================================
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Version 0.2.3
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20-Aug-2012
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common:
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* Fixed LAPACK unstable bug about ?laswp. (#130)
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* Fixed the shared library bug about unloading the library on
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Linux (#132).
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* Fixed the compilation failure on BlueGene/P (TARGET=PPC440FP2)
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Please use gcc and IBM xlf. (#134)
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x86/x86-64:
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* Supported goto_set_num_threads and openblas_set_num_threads
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APIs in Windows. They can set the number of threads on runtime.
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====================================================================
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Version 0.2.2
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6-July-2012
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common:
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* Fixed exporting DLL functions bug on Windows/MingW
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* Support GNU Hurd (Thank Sylvestre Ledru)
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* Support kfreebsd kernel (Thank Sylvestre Ledru)
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x86/x86-64:
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* Support Intel Sandy Bridge 22nm desktop/mobile CPU
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SPARC:
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* Improve the detection of SPARC (Thank Sylvestre Ledru)
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====================================================================
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Version 0.2.1
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30-Jun-2012
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common:
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x86/x86-64:
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* Fixed the SEGFAULT bug about hyper-theading
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* Support AMD Bulldozer by using GotoBLAS2 AMD Barcelona codes
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====================================================================
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Version 0.2.0
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26-Jun-2012
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common:
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* Removed the limitation (64) of numbers of CPU cores.
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Now, it supports 256 cores at max.
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* Supported clang compiler.
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* Fixed some build bugs on FreeBSD
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x86/x86-64:
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* Optimized Level-3 BLAS on Intel Sandy Bridge x86-64 by AVX instructions.
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Please use gcc >= 4.6 or clang >=3.1.
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* Support AMD Bobcat by using GotoBLAS2 AMD Barcelona codes.
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====================================================================
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Version 0.1.1
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29-Apr-2012
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common:
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* Upgraded LAPACK to 3.4.1 version. (Thank Zaheer Chothia)
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* Supported LAPACKE, a C interface to LAPACKE. (Thank Zaheer Chothia)
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* Fixed the build bug (MD5 and download) on Mac OSX.
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* Auto download CUnit 2.1.2-2 from SF.net with UTEST_CHECK=1.
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* Fxied the compatibility issue for compilers without C99 complex number
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(e.g. Visual Studio)
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x86/x86_64:
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* Auto-detect Intel Sandy Bridge Core i7-3xxx & Xeon E7 Westmere-EX.
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* Test alpha=Nan in dscale.
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* Fixed a SEGFAULT bug in samax on x86 windows.
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====================================================================
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Version 0.1.0
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23-Mar-2012
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common:
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* Set soname of shared library on Linux.
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* Added LIBNAMESUFFIX flag in Makefile.rule. The user can use
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this flag to control the library name, e.g. libopenblas.a,
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libopenblas_ifort.a or libopenblas_omp.a.
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* Added GEMM_MULTITHREAD_THRESHOLD flag in Makefile.rule.
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The lib use single thread in GEMM function with small matrices.
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x86/x86_64:
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* Used GEMV SSE/SSE2 kernels on x86 32-bit.
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* Exported CBLAS functions in Windows DLL.
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MIPS64:
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* Completed Level-3 BLAS optimization on Loongson 3A CPU.
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* Improved GEMV performance on Loongson 3A CPU.
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* Improved Level-3 BLAS performance on Loongson 3B CPU. (EXPERIMENT)
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====================================================================
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Version 0.1 alpha2.5
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19-Feb-2012
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common:
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* Fixed missing "#include <sched.h>" bug on Mac OS X.
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Thank Mike Nolta for the patch.
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* Upgraded LAPACK to 3.4.0 version
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* Fixed a bug on Mac OS X. Don't require SystemStubs on OS X.
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SystemStubs does not exist on Lion. Thank Stefan Karpinski.
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* Improved README with using OpenMP. Check the internal threads
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count less than or equal to omp_get_max_threads()
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x86/x86_64:
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* Auto-detect Intel Core i6/i7 (Sandy Bridge) CPU with Nehalem assembly kernels
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* Fixed some bugs on MingW 64-bit including zgemv, cdot, zdot.
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====================================================================
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Version 0.1 alpha2.4
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18-Sep-2011
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common:
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* Fixed a bug about installation. The header file "fblas77.h"
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works fine now.
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* Fixed #61 a building bug about setting TARGET and DYNAMIC_ARCH.
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* Try to handle absolute path of shared library in OSX. (#57)
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Thank Dr Kane O'Donnell.
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* Changed the installation folder layout to $(PREFIX)/include and
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$(PREFIX)/lib
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x86/x86_64:
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* Fixed #58 zdot/xdot SEGFAULT bug with GCC-4.6 on x86. According
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to i386 calling convention, The callee should remove the first
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hidden parameter.Thank Mr. John for this patch.
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====================================================================
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Version 0.1 alpha2.3
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5-Sep-2011
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x86/x86_64:
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* Added DTB_ENTRIES into dynamic arch setting parameters. Now,
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it can read DTB_ENTRIES on runtime. (Refs issue #55 on github)
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====================================================================
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Version 0.1 alpha2.2
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14-Jul-2011
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common:
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* Fixed a building bug when DYNAMIC_ARCH=1 & INTERFACE64=1.
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(Refs issue #44 on github)
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====================================================================
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Version 0.1 alpha2.1
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28-Jun-2011
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common:
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* Stop the build and output the error message when detecting
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fortran compiler failed. (Refs issue #42 on github)
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====================================================================
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Version 0.1 alpha2
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23-Jun-2011
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common:
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* Fixed blasint undefined bug in <cblas.h> file. Other software
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could include this header successfully(Refs issue #13 on github)
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* Fixed the SEGFAULT bug on 64 cores. On SMP server, the number
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of CPUs or cores should be less than or equal to 64.(Refs issue #14
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on github)
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* Support "void goto_set_num_threads(int num_threads)" and "void
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openblas_set_num_threads(int num_threads)" when USE_OPENMP=1
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* Added extern "C" to support C++. Thank Tasio for the patch(Refs
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issue #21 on github)
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* Provided an error message when the arch is not supported.(Refs
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issue #19 on github)
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* Fixed issue #23. Fixed a bug of f_check script about generating link flags.
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* Added openblas_set_num_threads for Fortran.
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* Fixed #25 a wrong result of rotmg.
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* Fixed a bug about detecting underscore prefix in c_check.
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* Print the wall time (cycles) with enabling FUNCTION_PROFILE
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* Fixed #35 a build bug with NO_LAPACK=1 & DYNAMIC_ARCH=1
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* Added install target. You can use "make install". (Refs #20)
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x86/x86_64:
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* Fixed #28 a wrong result of dsdot on x86_64.
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* Fixed #32 a SEGFAULT bug of zdotc with gcc-4.6.
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* Fixed #33 ztrmm bug on Nehalem.
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* Walk round #27 the low performance axpy issue with small imput size & multithreads.
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MIPS64:
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* Fixed #28 a wrong result of dsdot on Loongson3A/MIPS64.
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* Optimized single/double precision BLAS Level3 on Loongson3A/MIPS64. (Refs #2)
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* Optimized single/double precision axpy function on Loongson3A/MIPS64. (Refs #3)
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====================================================================
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Version 0.1 alpha1
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20-Mar-2011
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common:
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* Support "make NO_LAPACK=1" to build the library without
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LAPACK functions.
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* Fixed randomly SEGFAULT when nodemask==NULL with above Linux 2.6.34.
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Thank Mr.Ei-ji Nakama providing this patch. (Refs issue #12 on github)
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* Added DEBUG=1 rule in Makefile.rule to build debug version.
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* Disable compiling quad precision in reference BLAS library(netlib BLAS).
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* Added unit testcases in utest/ subdir. Used CUnit framework.
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* Supported OPENBLAS_* & GOTO_* environment variables (Pleas see README)
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* Imported GotoBLAS2 1.13 BSD version
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x86/x86_64:
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* On x86 32bits, fixed a bug in zdot_sse2.S line 191. This would casue
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zdotu & zdotc failures.Instead,Walk around it. (Refs issue #8 #9 on github)
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* Modified ?axpy functions to return same netlib BLAS results
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when incx==0 or incy==0 (Refs issue #7 on github)
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* Modified ?swap functions to return same netlib BLAS results
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when incx==0 or incy==0 (Refs issue #6 on github)
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* Modified ?rot functions to return same netlib BLAS results
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when incx==0 or incy==0 (Refs issue #4 on github)
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* Detect Intel Westmere,Intel Clarkdale and Intel Arrandale
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to use Nehalem codes.
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* Fixed a typo bug about compiling dynamic ARCH library.
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MIPS64:
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* Improve daxpy performance on ICT Loongson 3A.
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* Supported ICT Loongson 3A CPU (Refs issue #1 on github)
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====================================================================
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