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Changelog.txt
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Changelog.txt
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OpenBLAS ChangeLog
====================================================================
Version 0.2.2
6-July-2012
common:
* Fixed exporting DLL functions bug on Windows/MingW
* Support GNU Hurd (Thank Sylvestre Ledru)
* Support kfreebsd kernel (Thank Sylvestre Ledru)
x86/x86-64:
* Support Intel Sandy Bridge 22nm desktop/mobile CPU
SPARC:
* Improve the detection of SPARC (Thank Sylvestre Ledru)
====================================================================
Version 0.2.1
30-Jun-2012
common:
x86/x86-64:
* Fixed the SEGFAULT bug about hyper-theading
* Support AMD Bulldozer by using GotoBLAS2 AMD Barcelona codes
====================================================================
Version 0.2.0
26-Jun-2012
common:
* Removed the limitation (64) of numbers of CPU cores.
Now, it supports 256 cores at max.
* Supported clang compiler.
* Fixed some build bugs on FreeBSD
x86/x86-64:
* Optimized Level-3 BLAS on Intel Sandy Bridge x86-64 by AVX instructions.
Please use gcc >= 4.6 or clang >=3.1.
* Support AMD Bobcat by using GotoBLAS2 AMD Barcelona codes.
====================================================================
Version 0.1.1
29-Apr-2012
common:
* Upgraded LAPACK to 3.4.1 version. (Thank Zaheer Chothia)
* Supported LAPACKE, a C interface to LAPACKE. (Thank Zaheer Chothia)
* Fixed the build bug (MD5 and download) on Mac OSX.
* Auto download CUnit 2.1.2-2 from SF.net with UTEST_CHECK=1.
* Fxied the compatibility issue for compilers without C99 complex number
(e.g. Visual Studio)
x86/x86_64:
* Auto-detect Intel Sandy Bridge Core i7-3xxx & Xeon E7 Westmere-EX.
* Test alpha=Nan in dscale.
* Fixed a SEGFAULT bug in samax on x86 windows.
====================================================================
Version 0.1.0
23-Mar-2012
common:
* Set soname of shared library on Linux.
* Added LIBNAMESUFFIX flag in Makefile.rule. The user can use
this flag to control the library name, e.g. libopenblas.a,
libopenblas_ifort.a or libopenblas_omp.a.
* Added GEMM_MULTITHREAD_THRESHOLD flag in Makefile.rule.
The lib use single thread in GEMM function with small matrices.
x86/x86_64:
* Used GEMV SSE/SSE2 kernels on x86 32-bit.
* Exported CBLAS functions in Windows DLL.
MIPS64:
* Completed Level-3 BLAS optimization on Loongson 3A CPU.
* Improved GEMV performance on Loongson 3A CPU.
* Improved Level-3 BLAS performance on Loongson 3B CPU. (EXPERIMENT)
====================================================================
Version 0.1 alpha2.5
19-Feb-2012
common:
* Fixed missing "#include <sched.h>" bug on Mac OS X.
Thank Mike Nolta for the patch.
* Upgraded LAPACK to 3.4.0 version
* Fixed a bug on Mac OS X. Don't require SystemStubs on OS X.
SystemStubs does not exist on Lion. Thank Stefan Karpinski.
* Improved README with using OpenMP. Check the internal threads
count less than or equal to omp_get_max_threads()
x86/x86_64:
* Auto-detect Intel Core i6/i7 (Sandy Bridge) CPU with Nehalem assembly kernels
* Fixed some bugs on MingW 64-bit including zgemv, cdot, zdot.
====================================================================
Version 0.1 alpha2.4
18-Sep-2011
common:
* Fixed a bug about installation. The header file "fblas77.h"
works fine now.
* Fixed #61 a building bug about setting TARGET and DYNAMIC_ARCH.
* Try to handle absolute path of shared library in OSX. (#57)
Thank Dr Kane O'Donnell.
* Changed the installation folder layout to $(PREFIX)/include and
$(PREFIX)/lib
x86/x86_64:
* Fixed #58 zdot/xdot SEGFAULT bug with GCC-4.6 on x86. According
to i386 calling convention, The callee should remove the first
hidden parameter.Thank Mr. John for this patch.
====================================================================
Version 0.1 alpha2.3
5-Sep-2011
x86/x86_64:
* Added DTB_ENTRIES into dynamic arch setting parameters. Now,
it can read DTB_ENTRIES on runtime. (Refs issue #55 on github)
====================================================================
Version 0.1 alpha2.2
14-Jul-2011
common:
* Fixed a building bug when DYNAMIC_ARCH=1 & INTERFACE64=1.
(Refs issue #44 on github)
====================================================================
Version 0.1 alpha2.1
28-Jun-2011
common:
* Stop the build and output the error message when detecting
fortran compiler failed. (Refs issue #42 on github)
====================================================================
Version 0.1 alpha2
23-Jun-2011
common:
* Fixed blasint undefined bug in <cblas.h> file. Other software
could include this header successfully(Refs issue #13 on github)
* Fixed the SEGFAULT bug on 64 cores. On SMP server, the number
of CPUs or cores should be less than or equal to 64.(Refs issue #14
on github)
* Support "void goto_set_num_threads(int num_threads)" and "void
openblas_set_num_threads(int num_threads)" when USE_OPENMP=1
* Added extern "C" to support C++. Thank Tasio for the patch(Refs
issue #21 on github)
* Provided an error message when the arch is not supported.(Refs
issue #19 on github)
* Fixed issue #23. Fixed a bug of f_check script about generating link flags.
* Added openblas_set_num_threads for Fortran.
* Fixed #25 a wrong result of rotmg.
* Fixed a bug about detecting underscore prefix in c_check.
* Print the wall time (cycles) with enabling FUNCTION_PROFILE
* Fixed #35 a build bug with NO_LAPACK=1 & DYNAMIC_ARCH=1
* Added install target. You can use "make install". (Refs #20)
x86/x86_64:
* Fixed #28 a wrong result of dsdot on x86_64.
* Fixed #32 a SEGFAULT bug of zdotc with gcc-4.6.
* Fixed #33 ztrmm bug on Nehalem.
* Walk round #27 the low performance axpy issue with small imput size & multithreads.
MIPS64:
* Fixed #28 a wrong result of dsdot on Loongson3A/MIPS64.
* Optimized single/double precision BLAS Level3 on Loongson3A/MIPS64. (Refs #2)
* Optimized single/double precision axpy function on Loongson3A/MIPS64. (Refs #3)
====================================================================
Version 0.1 alpha1
20-Mar-2011
common:
* Support "make NO_LAPACK=1" to build the library without
LAPACK functions.
* Fixed randomly SEGFAULT when nodemask==NULL with above Linux 2.6.34.
Thank Mr.Ei-ji Nakama providing this patch. (Refs issue #12 on github)
* Added DEBUG=1 rule in Makefile.rule to build debug version.
* Disable compiling quad precision in reference BLAS library(netlib BLAS).
* Added unit testcases in utest/ subdir. Used CUnit framework.
* Supported OPENBLAS_* & GOTO_* environment variables (Pleas see README)
* Imported GotoBLAS2 1.13 BSD version
x86/x86_64:
* On x86 32bits, fixed a bug in zdot_sse2.S line 191. This would casue
zdotu & zdotc failures.Instead,Walk around it. (Refs issue #8 #9 on github)
* Modified ?axpy functions to return same netlib BLAS results
when incx==0 or incy==0 (Refs issue #7 on github)
* Modified ?swap functions to return same netlib BLAS results
when incx==0 or incy==0 (Refs issue #6 on github)
* Modified ?rot functions to return same netlib BLAS results
when incx==0 or incy==0 (Refs issue #4 on github)
* Detect Intel Westmere,Intel Clarkdale and Intel Arrandale
to use Nehalem codes.
* Fixed a typo bug about compiling dynamic ARCH library.
MIPS64:
* Improve daxpy performance on ICT Loongson 3A.
* Supported ICT Loongson 3A CPU (Refs issue #1 on github)
====================================================================