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360 Commits

Author SHA1 Message Date
Yichao Yu
b94e9b92ad Fix compilation on ARM 
Define a dummy function if SME is not supported, following what sgemm does
 2025-10-11 20:28:59 -04:00
Martin Kroeker
e40714cabd Merge pull request #5450 from quic/topic/strmm_direct_sme1 
Support for SME1 based strmm_direct kernel for cblas_strmm level 3 API
 2025-10-11 15:20:19 -07:00
changjua
644ea07ef9 Support for SME1 based strmm_direct kernel for cblas_strmm level 3 API 2025-10-10 10:48:27 +08:00
Chris Sidebottom
578e7dae85 Fix bf16->f32 conversion for NEOVERSEV1 and NEOVERSEN2 targets 
This fixes an issue originally introduced with the BGEMM kernel.

I've updated the tests to run with `beta=1.0` so as to test loading and
updating from C.

Alongside this, the tests now return sensible return values to reduce
the risk of them being ignored.

Also fixed a bug in `generic/gemv_t.c` resulting in weird outputs for
`bgemv`.
 2025-10-06 18:05:58 +00:00
Rajendra Prasad Matcha
19268471cc Support for SME1 based ssymm_direct kernel for cblas_ssymm level 3 API 2025-09-30 15:05:33 +05:30
h-motoki
855945befb Implementing SVE in [SD]AXPY Kernels for A64FX and Graviton3E 2025-08-21 20:56:58 +09:00
Martin Kroeker
f3b2a15fad Merge pull request #5420 from yuanjia111/develop 
Move the value assignment of vector x in gemv_n_sve.c to the outermos…
 2025-08-16 12:06:53 -07:00
yuanjia
803e8d4838 Move the value assignment of vector x in gemv_n_sve.c to the outermost loop to reduce the repeated data retrieval. 
1.Verify correctness using BLAS-Tester
    2.Using the built-in benchmark to verify performance, the performance of float and doule type improved by about 60% and about 40% respectively.The test command is:
     export OMP_NUM_THREADS=1;numactl -C 10 -l ./sgemv.goto 3000 4000 100
     export OMP_NUM_THREADS=1;numactl -C 10 -l ./dgemv.goto 3000 4000 100
 2025-08-12 18:03:16 +08:00
Chris Sidebottom
5f47b872f1 Remove older kernels for BGEMM on NEOVERSEV1 2025-08-11 09:25:19 +00:00
Chris Sidebottom
114316f361 Optimize SBGEMM / BGEMM for NEOVERSEV1 further 
This changes the kernels to pack full SVE vectors and reduces the
overall complexity of the inner GEMM loop.
 2025-08-11 09:25:13 +00:00
Martin Kroeker
f1ee61ea30 Include NEON header for the bfloat conversion functions 2025-08-04 00:21:39 -07:00
Martin Kroeker
b3ffd5524a Include NEON header for the bfloat conversion functions 2025-08-04 00:20:28 -07:00
Martin Kroeker
a5e7c0e3e0 Merge pull request #5396 from abhishek-iitmadras/abhishekk_bfloat16 
ARM64: Enable bfloat16 kernels by default
 2025-07-28 13:39:08 -07:00
abhishek-fujitsu
0bc79da587 add neon header 2025-07-25 11:10:20 +05:30
Chris Sidebottom
ea2faf0c9a Add optimized BGEMM for NEOVERSEN2 target 
This re-uses the existing NEOVERSEN2 8x4 `sbgemm` kernel to implement `bgemm`.
 2025-07-24 10:59:28 +00:00
Chris Sidebottom
2c3cdaf74e Optimized BGEMV for NEOVERSEV1 target 
- Adds bgemv T based off of sbgemv T kernel
- Adds bgemv N which is slightly alterated to not use Y as an
accumulator due to the output being bf16 which results in loss of
precision
- Enables BGEMM_GEMV_FORWARD to proxy BGEMM to BGEMV with new kernels
 2025-07-23 10:51:41 +01:00
Martin Kroeker
39c90f9859 Merge pull request #5380 from quic/topic/sgemm_direct_sme1_alpha_beta 
SME1 based direct kernel (with alpha and beta) for cblas_sgemm level 3
 2025-07-18 23:23:39 +02:00
Rajendra Prasad Matcha
eae0abfdb6 SME1 based direct kernel with alpha and beta for cblas_sgemm level 3 API. 2025-07-17 16:14:31 +05:30
Chris Sidebottom
740efd71c4 Add optimized BGEMM kernel for NEOVERSEV1 target 
This also improves the testing and generic kernel by re-using the BF16
conversion functions.

Built on top of https://github.com/OpenMathLib/OpenBLAS/pull/5357 and derived from https://github.com/OpenMathLib/OpenBLAS/pull/5287

Co-authored-by: Ye Tao <ye.tao@arm.com>
 2025-07-10 23:23:27 +00:00
Martin Kroeker
fd37406817 Merge branch 'develop' into optimized_gemv_n_1x3 2025-07-08 21:05:30 +02:00
Iha, Taisei
f7ad906b49 Performance improvements of [SD]DOT with loop-unrolling on A64FX 2025-07-04 22:57:44 +09:00
Martin Kroeker
ee26caffb3 Merge pull request #5309 from davidz-ampere/dev-ampereone 
Add support for Ampere AmpereOne processors
 2025-06-24 12:27:08 +02:00
davidz-ampere
aa90ab4142 Add support for Ampere AmpereOne processors 2025-06-24 00:12:34 -04:00
Ian McInerney
badef1d32e Update sbgemm_tcopy_4_neoversev1 kernel to use standard C types 2025-06-19 14:26:16 +01:00
davidz-ampere
84730068af reduce duplicate kernel code 2025-06-17 03:05:34 -04:00
davidz-ampere
be68ef03b4 Add support for Ampere processors 2025-06-15 22:00:40 -04:00
Martin Kroeker
58eeb9041c fix handling of dummy2 2025-06-12 03:03:01 -07:00
Martin Kroeker
1589d0b21e Merge pull request #5281 from martin-frbg/zscal_arm64 
kernel/arm64: fixed cscal and zscal
 2025-06-12 01:04:18 -07:00
Sharif Inamdar
8279e68805 Optimize gemv_n_sve_v1x3 kernel 
- Calculate predicate outside the loop
- Divide matrix in blocks of 3
 2025-06-11 10:16:56 +00:00
Arne Juul
5442aff218 Accumulate results in output register explicitly 2025-06-09 19:03:22 +00:00
Martin Kroeker
28f8fdaf0f support flag for NaN/Inf handling and fix scaling of NaN/Inf values 2025-05-23 14:59:59 +02:00
Martin Kroeker
5141a90993 Fix ARMV9SME target in DYNAMIC_ARCH and add SME query code for MacOS (#5222) 
* Fix ARMV9SME target and add support_sme1 code for MacOS
* make sgemm_direct unconditionally available on all arm64
* build a (dummy) sgemm_direct kernel on all arm64





* Update dynamic_arm64.c
 2025-05-10 22:39:32 +02:00
Martin Kroeker
151b74284e Merge pull request #5203 from quic/fix-sgemmdirect-sme1 
Add vector registers to clobber list to prevent compiler optimization.
 2025-05-09 05:39:47 -07:00
abhishek-fujitsu
9c02cdb073 optimise dot using thread throttling for NEOVERSE V1 2025-04-23 22:35:05 +05:30
Martin Kroeker
d0e8fd6d40 Merge pull request #5239 from annop-w/gemv_n_sve 
Use SVE kernel for S/DGEMVN for SVE machines
 2025-04-22 10:19:49 -07:00
Iha, Taisei
08b5c18d70 fixed a potential out-of-bounds on gemv. 2025-04-22 19:56:44 +09:00
Annop Wongwathanarat
e11744a411 Use SVE kernel for S/DGEMVN for SVE machines 2025-04-22 09:40:13 +00:00
Martin Kroeker
dd38b4e811 Merge pull request #5225 from annop-w/gemv_n 
Improve performance for SGEMVN on NEONVERSEN1
 2025-04-17 01:54:10 -07:00
Martin Kroeker
0241d516f6 Merge pull request #5220 from iha-taisei/sdgemv_n_unroll 
Further performance improvements to non-transposed [SD]GEMV kernels for A64FX and Neoverse V1.
 2025-04-16 12:55:55 -07:00
Annop Wongwathanarat
d535728803 Improve performance for SGEMVN on NEONVERSEN1 2025-04-16 09:54:30 +00:00
Usui, Tetsuzo
d711906e3e Add symv kernels for arm64 2025-04-11 20:39:52 +09:00
Iha, Taisei
f1e628b889 Further performance improvements to [SD]GEMV. 2025-04-11 20:00:33 +09:00
Annop Wongwathanarat
ec146157d3 Use SVE kernel for S/DGEMVT for SVE machines 2025-04-09 20:38:14 +00:00
Vaisakh K V
04915be829 Add vector registers to clobber list to prevent compiler optimization. 
SME based SGEMMDIRECT kernel uses the vector registers (z) and adding
    clobber list informs compiler not to optimize these registers.
 2025-04-03 12:18:43 +05:30
Ye Tao
f27ba5efd1 fix bugs in aarch64 sbgemv_n kernel 2025-03-14 17:55:40 +00:00
Annop Wongwathanarat
edef2e4441 Fix bug in ARM64 sbgemv_t 2025-03-13 20:55:31 +00:00
Martin Kroeker
b55ca71d5b Merge pull request #5182 from annop-w/sgemm_ncopy 
Optimize aarch64 sgemm_ncopy
 2025-03-13 16:04:39 +01:00
Martin Kroeker
2f778554b8 Merge pull request #5181 from taoye9/change_sbgemn_cast_bf16 
replace customize bf16_to_fp32 with arm neon vcvtah_f32_bf16
 2025-03-13 13:50:26 +01:00
Annop Wongwathanarat
9807f56580 Optimize aarch64 sgemm_ncopy 2025-03-13 10:17:43 +00:00
Martin Kroeker
a3e7b16072 Merge pull request #5157 from manaalmj/feature 
Optimize gemv_n_sve kernel
 2025-03-12 21:08:23 +01:00