Commit Graph

15 Commits

Author SHA1 Message Date
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
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
Annop Wongwathanarat e11744a411 Use SVE kernel for S/DGEMVN for SVE machines 2025-04-22 09:40:13 +00:00
Annop Wongwathanarat ec146157d3 Use SVE kernel for S/DGEMVT for SVE machines 2025-04-09 20:38:14 +00:00
Ye Tao 38ee7c9301 Add dispatch of SBGEMVNKERNEL for NEOVERSEN2 and NEOVERSEV2 2025-03-03 11:32:05 +00:00
Annop Wongwathanarat edaf51dd99 Add sbgemv_t_bfdot kernel for ARM64
This improves performance for sbgemv_t by up to 100x on NEOVERSEV1.
The geometric mean speedup is ~61x for M=N=[2,512].
2025-02-28 12:31:50 +00:00
Martin Kroeker 3345007d8f
retire the thunderx2 NRM2 kernels due to reported inaccuracies and NAN 2024-12-05 21:12:06 +01:00
Martin Kroeker 09ace3cf23
Merge pull request #3846 from lilh9598/sbgemm_opt
Improve the performance of sbgemm_tcopy on neoversen2
2023-03-26 19:04:57 +02:00
Chris Sidebottom fd4f52c797 Add SVE implementation for sdot/ddot
This adds an SVE implementation to sdot/ddot when available, falling back to the previous Advanced SIMD kernel where there's no SVE implementation for the kernel.

All the targets were essentially treating `dot_thunderx2t99.c` as the Advanced SIMD implementation so I've renamed it to better fit with the feature detection.
2022-12-01 12:07:50 +00:00
lilianhuang fdac8a97c1 Add sbgemm_ncopy_8 and sbgemm_tcopy_4 2022-11-29 04:46:14 -05:00
Honglin Zhu 79066b6bf3 Change file name to match the norm and delete useless code. 2022-10-28 17:09:39 +08:00
Honglin Zhu b00d5b9746 New sbgemm implementation for Neoverse N2
1. Use UZP instructions but not gather load and scatter store instructions to get lower latency.
    2. Padding k to a power of 4.
2022-10-26 15:09:41 +08:00
Honglin Zhu 55d686d41e neoverse n2 sbgemm:
implement ncopy tcopy kernel_8x4
2022-06-29 10:14:21 +08:00
Honglin Zhu 04593bb27c neoverse n2 sbgemm: init file 2022-06-29 10:14:21 +08:00
Sunita Nadampalli 19c8f615dc OpenBLAS: aarch64: Add neoverse-v1/n2 architecture specifics 2022-01-07 00:28:17 +00:00