71 Commits
Author SHA1 Message Date
moluopro 61f5f03311 Use worker workspace for threaded SBMV 2026-08-04 12:06:17 +08:00
Martin Kroeker b080247a21 Revert "Mark temporaries as volatile to avoid SIGBUS in multithreaded builds with gcc15+ on 32bit FreeBSD/x86"
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c910v qemu test / TEST (riscv64-linux-gnu, NO_SHARED=1 TARGET=RISCV64_GENERIC, RISCV64_GENERIC, riscv64-linux-gnu) (push) Canceled after 0s
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2026-07-26 22:51:58 +02:00
Martin Kroeker dd69b9d0ce Mark floats as volatile to fix SIGBUS in multithreading with gcc15+ on 32bit FreeBSD/x86 2026-07-16 18:33:19 +02:00
Martin Kroeker a9a152ebc7 fix bgemv build 2025-10-16 10:00:41 -07:00
Martin Kroeker a387217a07 Add BGEMV 2025-10-16 05:02:24 -07:00
Martin Kroeker c92bac1524 Add SHGEMV 2025-10-16 04:57:18 -07:00
Chris Sidebottom 37fc3bbca0 Add Infrastructure for SHGEMV
This adds all the relevant bits and pieces to add a `shgemv` path as
well as a future `hgemm`/`hgemv` path in a similar model to `sb` and `b`
interfaces.

I've also fixed a few bits and pieces around `shgemm` which didn't build
in a few situations.
2025-10-07 15:03:24 +00:00
Chris Sidebottom e105411460 Add infrastructure for bgemv/bscal
- Sets up all the various entrypoints for `bgemv`
- Adds `bscal` for use in the `bgemv` interface
- Adds test cases for comparing `sgemv` and `bgemv`
- Adds generic kernels for `bgemv_n` and `bgemv_t` which are accurate
enough to pass above tests
2025-07-15 14:48:57 +01:00
Ruiyang Wu 02fd1df10b CMake: Pass OpenMP compiler and linker flags through CMake targets
Using `OpenMP::OpenMP_LANG` targets for CMake is less error-prone than
passing the compiler and linker flags manually. Furthermore, it allows
the user to customize those flags by setting `OpenMP_LANG_FLAGS`,
`OpenMP_LANG_LIB_NAMES`, and `OpenMP_omp_LIBRARY`.
2025-03-26 23:09:54 -04:00
Martin Kroeker 36fcb52094 Fix logic - we want real OR imaginary part of X to be nonzero here 2023-04-01 00:02:54 +02:00
H. Vetinari f2659516ef remove unqualified ifdef's for NO_LAPACK(E) 2023-03-28 19:01:31 +11:00
Martin Kroeker 7f0b11fbc1 Exclude some complex drivers when NO_LAPACK is set 2022-01-27 22:00:39 +01:00
Martin Kroeker 5f6a609253 Add sbgemv 2021-09-14 16:13:57 +02:00
Chen, Guobing a7b1f9b1bb Implementation of BF16 based gemv
1. Add a new API -- sbgemv to support bfloat16 based gemv
2. Implement a generic kernel for sbgemv
3. Implement an avx512-bf16 based kernel for sbgemv

Signed-off-by: Chen, Guobing <guobing.chen@intel.com>
2020-10-29 02:08:23 +08:00
Martin Kroeker 887e00fd7f Adapt for supporting only a subset of variable types 2020-10-11 14:58:57 +02:00
Martin Kroeker 3287848c8f Support building only seleced types 2020-09-22 23:20:51 +02:00
Martin Kroeker 806f89166e Make ARMV7 compile with xcode and add a CI job for it (#2537)
* Add an ARMV7 iOS build on Travis

* thread_local appears to be unavailable on ARMV7 iOS

* Add no-thumb option for ARMV7 IOS build to get it to accept DMB ISH

* Make local labels in macros of nrm2_vfpv3.S compatible with the xcode assembler
2020-04-02 10:30:37 +02:00
Martin Kroeker 8617d75548 Revert "Avoid taking root of negative number in symv_thread.c" 2019-10-01 23:50:41 +02:00
Sebastian Berg 6355c25dde Avoid taking root of negative number in symv_thread.c
This is similar to fixes in gh-1929, but there was one remaining
occurance of this type of pattern in the driver/level2/*_thread.c
files.
2019-09-29 22:03:12 -07:00
Martin Kroeker 45333d5793 Fix error introduced during cleanup 2019-02-19 22:16:33 +01:00
Martin Kroeker 78d9910236 Correct range_n limiting
same bug as seen in #1388, somehow missed in corresponding PR #1389
2019-02-19 20:59:48 +01:00
Martin Kroeker 5a720cf9ca Re-enable loop unrolling in trmv and remove the scary warning
fixes #1748 as that half of the fix for #1332 appears to have been an overreaction on my part.
2018-12-30 15:22:37 +01:00
Martin Kroeker 368d14f8c8 Fix harmless typo
fixes #1872
2018-11-16 14:58:28 +01:00
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 cc9500db41 Merge pull request #1403 from brada4/develop
Address few more warnings
2017-12-30 14:51:34 +01:00
Andrew bfc2a88594 remove unused buffer 2017-12-22 00:55:40 +01:00
Martin Kroeker 177b78c8b4 Issue1388 (#1389)
* Calculation of chunk range limits was ignoring num_cpu

bug introduced by me in #1262 - should fix #1388

* Calculation of range limits was ignoring num_cpu

bug introduced by me in #1262

* Calculation of chunk range limits was ignoring num_cpu

bug introduced by me in #1262

* Calculation of chunk range limits was ignoring num_cpu

bug introduced by me in #1262

* Calculation of chunk range limits was ignoring num_cpu

bug introduced by me in #1262

* Calculation of chunk range limits was ignoring num_cpu

bug introduced by me in #1262
2017-12-09 22:29:03 +01:00
Andrew 281a2b952f warning cleanup (#1380)
* dead increments in driver/level2

* dead increments in kernel/generic

* part dead increments in kernel/x86_64
2017-12-05 19:54:10 +01:00
Martin Kroeker b414283f48 Disable gemv unrolling
as a (hopefully temporary) workaround for #1332
2017-12-03 22:41:54 +01:00
Andrew e14d50d86e eliminate Wunused-const gcc7 warning 2017-11-24 19:13:24 +01:00
Sacha Refshauge 37858d1146 Fix threading usage in CMake: s/SMP/USE_THREAD/ 2017-08-19 15:07:42 +10:00
Martin Kroeker 719fcc56b0 Merge pull request #1262 from martin-frbg/xmv_thread-splitting
Make sure that range limit of last thread never exceeds data size
2017-08-06 14:11:44 +02:00
Martin Kroeker 0ba64cee60 Update trmv_thread.c 2017-08-02 12:03:54 +02:00
Martin Kroeker c4e5ba1bfe Make sure that range_n of last thread never exceeds the actual data size when splitting the workload 2017-08-02 00:37:58 +02:00
Martin Kroeker a6f533b248 Revert "Fix calculated range limit exceeding actual data size for last thread" 2017-08-01 19:28:08 +02:00
Isuru Fernando d245caa49a Support out-of-source build 2017-08-01 15:16:14 +05:30
Martin Kroeker 585c0010a5 Fix range limit exceeding actual data size in last step 2017-07-28 00:27:02 +02:00
Martin Kroeker 857f61bc5d Fix range limit exceeding data size in last step 2017-07-28 00:21:53 +02:00
Martin Kroeker 9332042d5f Fix range exceeding actual data size in quick_divide 2017-07-28 00:13:24 +02:00
Andrew 529bfc36ec Fix write past fixed size buffer 2017-07-12 00:59:30 +02:00
John Biddiscombe 053044ae4d Replace CMAKE_SOURCE_DIR/CMAKE_BINARY_DIR with PROJECT_SOURCE_DIR/PROJECT_BINARY_DIR
If OpenBLAS is built using add_subdirectory(OpenBlas) as part of another project
then the paths set by CMAKE_XXX_DIR are relative to the parent project
and not the OpenBLAS project.
2016-05-25 09:13:28 +02:00
Jerome Robert 53ba1a77c8 ztrmv_L.c: no longer need a 4kB buffer
Fix #786
2016-03-05 19:07:03 +01:00
Jerome Robert 78dcf5c3d5 Improve performances of ztrmv on small matrices
* Use stack allocation
* Disable multi-threading
* Ref #727
2016-02-08 11:25:02 +01:00
Ralph Campbell fbc21266e6 Minor C code fixes in driver/ 2015-11-09 14:15:49 +05:30
Zhang Xianyi d8392c1245 Fixe cmake config bugs. 2015-10-20 04:30:55 +08:00
Zhang Xianyi f8eba3d548 Fixed cmake build bugs on Linux. 2015-08-11 16:25:16 -05:00
Zhang Xianyi f874465bb8 Use cmake to build OpenBLAS GENERIC Target on MSVC x86 64-bit.
Disable CBLAS and LAPACK.
2015-08-10 14:10:44 -05:00
Zhang Xianyi dcd5ba4443 Merge branch 'cmake' of https://github.com/hpanderson/OpenBLAS into hpanderson_cmake 2015-07-22 04:06:39 +08:00
Zhang Xianyi 8e5a1083bb Refs #532. Improve gemv paralel with small m and large n case.
Splite the matrix and reduction.
2015-05-08 05:33:17 +08:00
Hank Anderson ab7043373f Fixed bug generating trmv complex source names. 2015-02-24 15:18:41 -06:00