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Author SHA1 Message Date
Martin Kroeker
0427277cef Allow optimization for small m, large n only if it can be made threadsafe 
otherwise the introduction of a static array in 8e5a108 to improve #532 breaks concurrent calls from multiple threads as seen in #1844
 2018-11-10 15:45:54 +01:00
Martin Kroeker
4f43668eec Merge pull request #2 from xianyi/develop 
merge develop
 2018-11-10 15:37:25 +01:00
Martin Kroeker
b0c15bacc1 Merge pull request #1863 from martin-frbg/aix_install3 
Set LIBSONAME suffix to .a for AIX
 2018-11-09 13:12:06 +01:00
Martin Kroeker
cfb0f5b0f8 Set LIBSONAME suffix to .a for AIX 
another fix for #1803
 2018-11-08 22:39:10 +01:00
Martin Kroeker
667fed579d Merge pull request #1856 from rengolin/armv8-a57 
[Arm64) Revert A53 detection as A57
 2018-11-07 21:01:29 +01:00
Martin Kroeker
96d2f2c9b2 Merge pull request #1831 from brada4/hemv 
disable threading in C/ZSWAP copying from S/DSWAP
 2018-11-07 08:49:21 +01:00
Martin Kroeker
653e657a58 Merge pull request #1857 from brada4/fc-1847 
Add gfortran -frecursive option from upstream and #1847
 2018-11-07 08:48:31 +01:00
Martin Kroeker
5f8f0583d4 Merge branch 'develop' into fc-1847 2018-11-07 08:47:52 +01:00
Martin Kroeker
974a6a30f2 Merge pull request #1858 from brada4/buff-1847 
Add minimum threshold for number of buffers
 2018-11-07 08:46:55 +01:00
Andrew
9531d0e175 lets fit it in one 4k page 2018-11-06 17:51:24 +00:00
Andrew
40cce0e353 handle cmake too 2018-11-06 09:45:49 +00:00
Andrew
3fd41313fc add low bound for number of buffers 2018-11-06 09:40:13 +00:00
Andrew
a931afe269 init 2018-11-06 09:39:05 +00:00
Andrew
7d3502b500 Add -frecursive gfortran option by default 2018-11-06 08:20:55 +00:00
Andrew
066f8065d1 init 2018-11-06 08:19:08 +00:00
Renato Golin
fb5b2177ca [Arm64) Revert A53 detection as A57 
This patch reverts the decision of treating A53 like A57, which was
based on an analysis done on server class hardware and is not
representative of all A53s out there.

Fixes #1855.
 2018-11-05 11:34:49 +00:00
Martin Kroeker
f1c02273cb Merge pull request #1846 from fenrus75/threadsize 
gemm/dgemm: add a way for an arch kernel to specify preferred sizes
 2018-11-02 13:18:01 +01:00
Martin Kroeker
661035477c Merge pull request #1850 from martin-frbg/issue1811 
Restore Android/ARMv7 build fix from #778
 2018-11-02 09:50:51 +01:00
Martin Kroeker
aa7e47aa0a Merge pull request #1849 from martin-frbg/aix_install2 
Use installbsd on AIX
 2018-11-01 20:39:16 +01:00
Martin Kroeker
9c177d270b Restore Android/ARMv7 build fix from #778 
for #1811
 2018-11-01 18:50:25 +01:00
Martin Kroeker
b025523197 Use installbsd on AIX 
(and fix misplaced parenthesis from previous commit). See #1803
 2018-11-01 18:26:08 +01:00
Martin Kroeker
5b50bd36f7 Merge pull request #1845 from martin-frbg/aix_install 
Accomodate AIX install, which has different syntax
 2018-11-01 09:53:10 +01:00
Arjan van de Ven
5b708e5eb1 sgemm/dgemm: add a way for an arch kernel to specify prefered sizes 
The current gemm threading code can make very unfortunate choices, for
example on my 10 core system a 1024x1024x1024 matrix multiply ends up
chunking into blocks of 102... which is not a vector friendly size
and performance ends up horrible.

this patch adds a helper define where an architecture can specify
a preference for size multiples.
This is different from existing defines that are minimum sizes and such.

The performance increase with this patch for the 1024x1024x1024 sgemm
is 2.3x (!!)
 2018-11-01 01:43:20 +00:00
Arjan van de Ven
dcc5d6291e skylakex: Make the sgemm/dgemm beta code robust for a N=0 or M=0 case 
in the threading code there are cases where N or M can become 0,
and the optimized beta code did not handle this well, leading
to a crash

during the audit for the crash a few edge conditions on the if statements
were found and fixed as well
 2018-11-01 01:42:09 +00:00
Martin Kroeker
7b5aea52bb Accomodate AIX install, which has different syntax 
for #1803
 2018-10-31 21:50:34 +01:00
Martin Kroeker
f5595d0262 Merge pull request #1843 from martin-frbg/aix_numprocs 
Add get_num_procs implementation for AIX
 2018-10-31 21:25:15 +01:00
Martin Kroeker
326d394a0f Add get_num_procs implementation for AIX 
(and copy HAIKU implementation to the non-TLS version of the code as well)
 2018-10-31 18:38:22 +01:00
Martin Kroeker
6af8e35a24 Merge pull request #1837 from embray/set-num-thread-after-fork 
Ensure that blas_thread_init has been called in openblas_set_num_threads
 2018-10-30 12:41:24 +01:00
Erik M. Bray
38cf5d9364 ensure that threading has been initialized in the first place before calling openblas_set_num_threads 2018-10-28 21:16:52 +00:00
Martin Kroeker
8a43baacb2 Merge pull request #1836 from martin-frbg/zen2core 
Fix detection of Ryzen2 (missing CORE_ZEN)
 2018-10-28 20:00:01 +01:00
Martin Kroeker
64ca44873b Fix detection of Ryzen2 (missing CORE_ZEN) 2018-10-28 18:36:55 +01:00
Martin Kroeker
76a66eaac8 Merge pull request #1829 from ashwinyes/develop_aarch64_dynamic_arch_support 
Add DYNAMIC_ARCH support for ARM64
 2018-10-23 18:14:28 +02:00
Andrew
2992e3886a disable threading in C/ZSWAP copying from S/DSWAP 2018-10-22 23:21:49 +03:00
Ashwin Sekhar T K
d5aeff636f ARM64: Enable DYNAMIC_ARCH 
Enable DYNAMIC_ARCH feature on ARM64. This patch uses the cpuid
feature in linux kernel to detect the core type at runtime
(https://www.kernel.org/doc/Documentation/arm64/cpu-feature-registers.txt).

If this feature is missing in kernel, then the user should use the
OPENBLAS_CORETYPE env variable to select the desired core type.
 2018-10-22 01:49:35 -07:00
Ashwin Sekhar T K
af2837c392 ARM64: Remove #define ARMV8 for THUNDERX 2018-10-22 01:49:35 -07:00
Ashwin Sekhar T K
e7b66cd36e ARM64: Fix DYNAMIC_ARCH compilation for cores which dont use GEMM3M 2018-10-22 01:45:51 -07:00
Ashwin Sekhar T K
d50abc8903 ARM64: Move parameters from parameter.c to param.h 
Remove the runtime setting of P, Q, R parameters for
targets ARMV8, THUNDERX2T99. Instead set them as constants
in param.h at compile time.
 2018-10-22 01:45:51 -07:00
Ashwin Sekhar T K
351a0c777c ARM64: Remove XGENE1 references 
Remove XGENE1 target as the implementation for the
same is incomplete. Moreover whoever wishes to use
on XGENE1 can use the generic ARMV8 target as there
are no XGENE1 specific optimizations in OpenBLAS.
 2018-10-22 01:45:51 -07:00
Martin Kroeker
e3c262e5cf Merge pull request #1825 from brada4/hemv 
Delay _hemv threading in attempt to address #1820
 2018-10-21 20:34:05 +02:00
Andrew
a293bdcd5e re-arrange new code for readability 2018-10-20 21:37:53 +03:00
Andrew
c7bbf9c987 Attempt to tame _hemv threading #1820 2018-10-20 11:13:29 +03:00
Andrew
898a8dcaba init 2018-10-20 10:55:04 +03:00
Martin Kroeker
71c6deed60 Merge pull request #1821 from ashwinyes/develop_aarch64_armv8neonkernels 
Use ThunderX2 Neon Kernels for ARMV8 Target
 2018-10-18 08:13:05 +02:00
Ashwin Sekhar T K
21f46a1cf2 ARM64: Use THUNDERX2T99 Neon Kernels for ARMV8 
Currently the generic ARMV8 target uses C implementations
for many routines. Replace these with the neon implementations
written for THUNDERX2T99 target which are upto 6x faster for
certain routines.
 2018-10-17 10:44:37 -07:00
Ashwin Sekhar T K
caf339412f ARM64: Remove dependency of THUNDERX2T99 Makefile on CORTEXA57 Makefile 2018-10-17 08:02:40 -07:00
Ashwin Sekhar T K
8001fdcd2a ARM64: Remove dependency of THUNDERX Makefile on ARMV8 Makefile 2018-10-17 08:02:16 -07:00
Ashwin Sekhar T K
162e312832 ARM64: Remove dependency of CORTEXA57 Makefile on ARMV8 Makefile 2018-10-17 08:01:45 -07:00
Ashwin Sekhar T K
c3d93caa8d ARM64: Remove dependency of XGENE1 Makefile on ARMV8 Makefile 2018-10-17 08:01:27 -07:00
Martin Kroeker
a71923514f Merge pull request #1815 from fenrus75/sgemm_beta_fix 
enable the SGEMM/SKX C based kernel
 2018-10-14 19:57:34 +02:00
Arjan van de Ven
55b244ca0d enable the SGEMM/SKX C based kernel 
In QA the final bug was found so now the sklyakex sgemm C based kernel can
be activated....
 2018-10-12 09:30:35 +00:00