c6b1d8e7a3
fix improper function prototypes (empty parentheses)
2023-09-30 12:52:06 +02:00
7e939fb831
Fix handling of additional buffer structures in case of overflow
2023-09-19 23:33:39 +02:00
6a611db560
memory: show correct number of max threads
2023-09-10 08:44:07 +02:00
c2f4bdbbb4
Merge pull request #4163 from martin-frbg/issue4017
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Rework OpenMP thread count limit handling
2023-07-31 17:58:51 +02:00
9ff84dc3f2
remove unused status variable
2023-07-26 10:02:44 +02:00
3326b924b3
remove status variable blas_num_threads_set; initialize openmp thread maximum on startup
2023-07-26 00:31:24 +02:00
f971ef55f2
Add ARMV8SVE to AArch64 Dynamic Dispatch
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In order to enable support for future cores which have similar tunings
(in this case I'm doing this for the Arm(R) Neoverse(TM) V2 core), this generically detects SVE support and enables it. This should better manage the size and complexity of dynamic dispatch rather than just copy pasting the same parameters.
To make `ARMV8SVE` more representive of the common 128-bit SVE case,
I've split it and similar parameters from A64FX which has the wider
512-bit SVE.
2023-07-25 18:35:15 +01:00
3bdcf3259d
Merge branch 'xianyi:develop' into issue4101
2023-07-20 08:23:20 +02:00
b34f19a365
Ensure that a premature call to set_num_threads will not overwrite unrelated memory
2023-07-19 22:19:22 +02:00
66904f8148
Ensure that a premature call will not overwrite unrelated memory
2023-07-19 22:14:34 +02:00
5c58994eb2
Add fallback warning
2023-07-19 18:27:41 +02:00
ca7199f249
Treat newer Neoverse as N1 if SVE unavailable (may be disabled in container/cloud env)
2023-07-19 14:48:42 +02:00
616fdea82a
Revert "Improve Windows threading performance scaling"
2023-06-28 09:45:17 +02:00
d6991dd230
fix missing #endif
2023-06-24 15:43:32 -07:00
7783a9af02
attempt to fix old mingw gcc issue
2023-06-24 14:35:11 -07:00
8caabc5982
fix #4063 remove unused pool_lock
2023-06-23 19:45:16 -07:00
d301649430
fix #4063 threading perf issues on Windows
2023-06-23 19:42:27 -07:00
9e80a194d6
Fix dynamic_list build and gcc version check error
2023-05-21 19:52:58 +08:00
0b83088887
spr dynamic arch support
2023-05-19 10:48:18 +08:00
e5538a62cb
Add suggestions to NUM_THREADS/auxiliary buffer message
2023-05-04 22:56:39 +02:00
579bc86671
remove call to omp_set_num_threads
2023-03-21 20:58:56 +01:00
e298d613fa
initialize status variable for openblas_set_num_threads
2023-03-08 23:43:15 +01:00
05aa88268f
add status variable for openblas_set_num_threads
2023-03-08 23:41:57 +01:00
e38ab079a0
Fix OpenMP thread counting returning places rather than cores
2023-03-08 19:17:33 +01:00
d4868babbc
Fix typos
2022-12-29 23:07:55 +01:00
18c99d3e63
Update dynamic_arm64.c
2022-12-25 13:31:38 +01:00
186a310f92
Update dynamic_arm64.c
2022-12-25 12:22:48 +01:00
da6e426b13
fix Cooperlake not selectable via environment variable
2022-11-03 18:13:35 +01:00
ab6009b0b6
Merge pull request #3773 from staticfloat/sf/openblas_default_num_threads
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Add `OPENBLAS_DEFAULT_NUM_THREADS`
2022-10-13 14:15:14 +02:00
db50ab4a72
Add BUILD_vartype defines
2022-10-01 15:14:51 +02:00
d2ce93179f
Add `OPENBLAS_DEFAULT_NUM_THREADS`
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This allows Julia to set a default number of threads (usually `1`) to be
used when no other thread counts are specified [0], to short-circuit the
default OpenBLAS thread initialization routine that spins up a different
number of threads than Julia would otherwise choose.
The reason to add a new environment variable is that we want to be able
to configure OpenBLAS to avoid performing its initial memory
allocation/thread startup, as that can consume significant amounts of
memory, but we still want to be sensitive to legacy codebases that set
things like `OMP_NUM_THREADS` or `GOTOBLAS_NUM_THREADS`. Creating a new
environment variable that is openblas-specific and is not already
publicly used to control the overall number of threads of programs like
Julia seems to be the best way forward.
[0] https://github.com/JuliaLang/julia/pull/46844
2022-09-30 01:21:44 +00:00
84453b924f
Support CONSISTENT_FPCSR on AARCH64
2022-09-22 00:20:40 +09:00
9402df5604
Fix missing external declaration
2022-09-14 21:44:34 +02:00
bd30120ba7
Merge pull request #3720 from FlyGoat/mips64
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Make it work on general MIPS64 processors
2022-08-19 20:24:27 +02:00
fae9368f14
Implement DYNAMIC_LIST for MIPS64
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Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
2022-08-12 13:13:31 +01:00
a50b29c540
Provide a fallback MIPS64_GENERIC target
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It is really dangerous to fallback to Loongson core on other
MIPS64 processors.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
2022-08-12 13:13:28 +01:00
b633eb79f2
Use $at as temporary register for mips/loongson CPUCFG read
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Some compilers (namely LLVM) are not happy with clobbering
registers in inline assembly.
Use $at as temporary register and explicitly use noat
hint.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
2022-08-07 13:22:32 +01:00
19fefd100e
Merge pull request #3703 from martin-frbg/omp_adaptive
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Add env variable OMP_ADAPTIVE to control OMP threadpool behaviour
2022-08-03 15:38:39 +02:00
19d4f90c44
Use auvx to detect CPUCFG on mips/loongson
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It's safer and easier than SIGILL.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
2022-07-31 19:41:59 +01:00
d0ba257de0
Merge pull request #3704 from XiWeiGu/loongarch64_dynamic_arch
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LoongArch64: Add DYNAMIC_ARCH support
2022-07-28 20:31:20 +02:00
fbfe1daf6e
LoongArch64: Add DYNAMIC_ARCH support
2022-07-28 14:28:45 +08:00
80cdfed7b2
Use OMP_ADAPTIVE setting to choose between static and dynamic OMP threadpool size
2022-07-27 23:43:20 +02:00
08e3754b39
Add environment variable OMP_ADAPTIVE
2022-07-27 23:41:47 +02:00
30473b6a9d
add openblas_getaffinity()
2022-07-27 19:15:18 +02:00
daca01622b
fix detection of Neoverse V1 and user-enforced selection of N2 in ARM64 DYNAMIC_ARCH ( #3700 )
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* fix detection of Neoverse V1 and user-enforced selection of N2
2022-07-27 09:17:43 +02:00
d5ca477f42
Neoverse N2: DYNAMIC_ARCH
2022-07-12 00:50:45 +08:00
69148ae795
Guard against sysconf returning zero processors
2022-07-06 17:22:18 +02:00
e9260f5451
Guard against system call returning zero processors
2022-07-06 17:21:10 +02:00
2c62096fce
Expand cpu mapping for future Zen cpus and use feature-based fallback for unknown AMD family codes
2022-05-18 15:35:30 +02:00
69f2ac4ea2
Fix broken elif in dynamic.c
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This fixes compilation in the following case:
$(MAKE) USE_OPENMP=1 USE_THREAD=1 NO_LAPACK=0 DYNAMIC_ARCH=1 \
DYNAMIC_LIST="HASWELL SKYLAKEX ATOM COOPERLAKE SAPPHIRERAPIDS ZEN"
2022-03-17 20:04:37 -04:00
Martin Kroeker
Tiziano Müller
Chris Sidebottom
Mark Seminatore
Honglin Zhu
Elliot Saba
Kai T. Ohlhus
Jiaxun Yang
gxw
Adam Niederer