Martin Kroeker
37262654d9
Merge pull request #5667 from fadara01/accelerate_sve128_sbgemm
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Accelerate SVE128 SBGEMM/BGEMM
2026-03-06 09:14:44 +01:00
Fadi Arafeh
f30202b705
Accelerate SVE128 SBGEMM/BGEMM
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This accelerates SBGEMM/BGEMM by extending the existing 8x4 kernel to 8x8 (unrolling N by 8)
Not sure if it's a good idea to delete the previous 8x4 kernel?
Here are the speedups on single core Neoverse-V2 (SVE128) compared to prev state:
Per-shape speedup
M=N=K=64: SBGEMM 1.164x (16.42%), BGEMM 1.133x (13.30%)
M=N=K=128: SBGEMM 1.220x (22.02%), BGEMM 1.186x (18.56%)
M=N=K=256: SBGEMM 1.241x (24.08%), BGEMM 1.235x (23.54%)
M=N=K=512: SBGEMM 1.240x (23.95%), BGEMM 1.227x (22.75%)
M=N=K=1024: SBGEMM 1.251x (25.11%), BGEMM 1.232x (23.23%)
M=N=K=2048: SBGEMM 1.235x (23.47%), BGEMM 1.246x (24.64%)
Signed-off-by: Fadi Arafeh <fadi.arafeh@arm.com >
2026-03-05 13:50:07 +00:00
Martin Kroeker
df29cc0205
Use AVX2 in the tail loop too for consistent FMA rounding
2026-03-03 15:51:51 +01:00
Martin Kroeker
ef27ec6bed
Add pragma to limit optimization level
2026-02-22 13:42:41 +01:00
Martin Kroeker
30cf14c548
Merge pull request #5640 from ChipKerchner/RVV_Narrow_Accumulate_FP16_GEMM
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Added ability to accumulate in FP16. Convert BF16 to FP32. For FP16 and BF16 GEMM in RISC-V (BF16 now works for pre-RVA23)
2026-02-20 14:22:27 +01:00
Martin Kroeker
46b963b9a0
Use generic C kernels for SCAL on FreeBSD
2026-02-19 22:46:03 +01:00
Chip Kerchner
efe63e7970
Add pre-RVA23 to BF16 GEMM.
2026-02-15 15:49:59 +00:00
Chip Kerchner
1d6aa0dc31
Add dummy memsets - just in case.
2026-02-13 20:03:35 +00:00
Chip Kerchner
7a1d23400f
Add flag for not converting A & B - will be used in future to do conversion during packing.
2026-02-13 19:00:41 +00:00
Chip Kerchner
1cc377ef61
Only convert B if M is greater or equal to 4.
2026-02-13 18:14:11 +00:00
Chip Kerchner
0acb60aab3
Conversion from BF16 to FP32 only once.
2026-02-13 17:55:15 +00:00
Chip Kerchner
9701a80a9f
One small change.
2026-02-12 20:35:41 +00:00
Chip Kerchner
4121a22c02
Convert BF16 values once (and vectorized).
2026-02-12 18:45:39 +00:00
Chip Kerchner
33560437f5
Convert inputs from BF16 to FP32 and use FP32 vector madds. 18% faster.
2026-02-11 19:50:48 +00:00
Chip Kerchner
e3cb067bf4
Fixed MADD to use float16 values. Use LMUL = 2 in main loop. Now 1.85X faster on BananaPi.
2026-02-11 00:27:27 +00:00
Chip Kerchner
74d9fe2832
Forget to add defintion.
2026-02-10 19:00:26 +00:00
Chip Kerchner
aa1cebd45b
128-bit versions.
2026-02-10 18:30:02 +00:00
Chip Kerchner
b5f2a50fe9
Added ability to accumulate in FP16 for GEMM. Widens once at the end of loops.
2026-02-10 17:30:05 +00:00
Martin Kroeker
69d92490c1
move inclusion of sme_abi header into the conditional section
2026-01-29 22:24:00 +01:00
Martin Kroeker
601bdde8ec
fix stack location of dummy2 flag
2026-01-27 22:40:50 +01:00
Martin Kroeker
d53d2b11a9
fix stack location of dummy2 flag
2026-01-27 22:39:37 +01:00
Martin Kroeker
861b3db733
Reuse ?SUM kernels from ThunderX2T99
2026-01-20 15:42:09 +01:00
Martin Kroeker
71261a7b3f
Trivially derive optimized S/DSUM for existing SASUM/DASUM kernels
2026-01-20 15:38:50 +01:00
Jameson Nash
a18a4ee08a
arm64: fix clang ICE on Windows for zdot_thunderx2t99.c
...
Guard .align directive to avoid internal compiler error on
AArch64 Windows with clang.
See: https://github.com/llvm/llvm-project/issues/149547
See: #5076
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com >
2026-01-19 15:36:14 +00:00
Martin Kroeker
4001d7a74f
Increase LA464/16MB DGEMM_R for minimal spacing of 64 to MAX(p,q)
2026-01-17 20:53:51 +01:00
Martin Kroeker
7acf919836
typo
2026-01-15 00:03:24 +01:00
Martin Kroeker
d49df4c579
force linking to clang_rt_builtins when using LLVM for AppleM4
2026-01-14 23:08:58 +01:00
Martin Kroeker
88c583ed49
Update Makefile
2026-01-14 17:00:45 +01:00
Martin Kroeker
d3e4b41136
remove cpu=apple-m4 as not required and less portable
2026-01-14 13:55:16 +01:00
Martin Kroeker
31bb6ca7df
Apple Clang requires +sme in the arch string for M4
2026-01-13 21:10:07 +01:00
Martin Kroeker
aafd3cb0db
Merge branch 'OpenMathLib:develop' into issue5414
2026-01-12 00:51:25 +01:00
Martin Kroeker
4d08156266
Use the generic C kernel for DNRM2
2026-01-11 21:58:31 +01:00
Martin Kroeker
6de062cfc2
Merge branch 'OpenMathLib:develop' into issue5414
2026-01-11 17:45:11 +01:00
Martin Kroeker
d1de282a4e
Improve the precision of S/CNRM2 by summing in double precision
2026-01-11 13:04:00 +01:00
Martin Kroeker
a9a6edaf17
Adapt for DYNAMIC_ARCH with multiple ...preprocess symbols
2026-01-09 15:29:36 +01:00
Martin Kroeker
2d46f1ec65
Merge branch 'develop' into issue5414
2026-01-09 15:04:06 +01:00
Martin Kroeker
c040d5ed86
Merge pull request #5591 from quic/topic/ssyr2k_direct_sme1
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Support for SME1 based ssyr2k_direct kernel for cblas_ssyr2k level 3 API
2026-01-08 15:47:38 +01:00
Zhiqing xie
6939a43c3b
Support for SME1 based ssyr2k_direct kernel for cblas_ssyr2k level 3 API
2026-01-08 11:09:04 +08:00
Amrita H S
b53d18b3ad
Fixing warning messages in dgemm and dgemv kernels
...
Signed-off-by: Amrita H S <amritahs@linux.vnet.ibm.com >
2026-01-06 10:20:56 -06:00
Martin Kroeker
a18a53605e
Adjust M4 options to avoid unresolved reference with non-Apple LLVM
2026-01-05 19:10:52 +01:00
Rajalakshmi Srinivasaraghavan
2283fcbbe7
POWER10: Reduce sgemm loop unrolling
...
With GCC 14, unnecessary move and lxvp instructions appear when unrolling the inner loop for larger sizes.
Reducing the loop unroll factor restores performance to GCC 11.
2026-01-04 17:01:01 -06:00
Martin Kroeker
67fd33e729
syntax fix
2025-12-31 19:46:20 +01:00
Martin Kroeker
5c8cf37d83
Add workaround for current LLVM SME bug on Windows
2025-12-31 15:33:15 +01:00
Martin Kroeker
d39b77748f
Make .align conditional on not being on WoA and strip CRLF endings
2025-12-24 20:00:45 +01:00
Martin Kroeker
ac2c66321d
remove special handling of C/ZDOT for LLVM on WoA
2025-12-19 17:04:21 +01:00
Martin Kroeker
cfa28bcf71
Support compilation with LLVM for Windows on Arm
2025-12-19 17:00:47 +01:00
Martin Kroeker
e85efb8d86
remove za from clobber lists
2025-12-03 22:40:02 +01:00
pengxu
f6533ccea0
Fix floating point registers ld/st bug of Loongarch
2025-12-03 10:52:59 +08:00
Martin Kroeker
c3c857c95e
fix sequence
2025-11-24 22:38:49 +01:00
Martin Kroeker
7ab8dc125d
rework ARM64 SME dependency handling
2025-11-24 22:36:02 +01:00
