Commit Graph

5 Commits

Author SHA1 Message Date
Shubham Sharma.
f378fc57b5 DGEMM Native AVX512 updates
- In the initial patch - for m, n non-multiple of MR and NR
  respectively we are calling bli_dgemm_ker_var2. Now we have
  implemented macro-kernel for these fringe cases as well.
- Replaced RBP register with R11 in the macro-kernel.
- Retuned MC, KC and NC with these new changes.
  This will result in better performance for matrix sizes
  like m=4000 or greater when running on single thread.


AMD-Internal: [CPUPL-5262]
Change-Id: I66c111ceb7feee776703339680d57e8d6d5c809a
2024-07-31 12:23:34 -04:00
Shubham Sharma.
a7744361e4 DGEMM optimizations for Turin Classic
- Introduced new 8x24 macro kernels.
   - 4 new kernels are added for beta 0, beta 1, beta -1
      and beta N.
   - IR and JR loop moved to ASM region.
   - Kernels support row major storage scheme.
   - Prefetch of current micro panel of C is enabled.
   - Kernel supports negative offsets for A and B matrices.
 - Moved alpha scaling from DGEMM kernel to B pack kernel.
 - Tuned blocksizes for new kernel.
 - Added support for alpha scaling in 24xk pack kernel.
 - Reverted back to old b_next computation
   in gemm_ker_var2.
 - BugFix in 8x24 DGEMM kernel for beta 1,
   comparsion for jmp conditions was done using integer
   instructions, which caused beta 1 path to never be taken.
   Fixed this by changing the comparsion to double.

AMD-Internal: [CPUPL-5262]
Change-Id: Ieec207eea2a164603c8a8ea88e0b1d3095c29a3f
2024-07-09 07:53:27 -04:00
Shubham Sharma
1d6dd726cd Fixed Prefetch in Turin DGEMM kernel
- Fixed the prefetch of next micro panel
  of B matrix in 8x24 DGEMM kernel.

Change-Id: Id84bb2841abb86bda780062d67266377fda12038
2024-06-20 10:31:08 +05:30
Shubham Sharma.
580282e655 DGEMM optimizations for Turin Classic
- Introduced new 8x24 row preferred kernel for zen5.
  - Kernel supports row/col/gen
    storage schemes.
  - Prefetch of current panel of A and C
    are enabled.
  - Prefetch of next panel of B is enabled.
  - Kernel supports negative offsets for A and B
    matrices.
- Cache block tuning is done for zen5 core.

AMD-Internal: [CPUPL-5262]
Change-Id: I058ea7e1b751c20c516d7b27a1f27cef96ef730f
2024-06-17 05:18:49 -04:00
Edward Smyth
2450a1813b BLIS: Implement zen5 sub-configuration
Implement full support for zen5 as a separate BLIS sub-configuration
and code path within amdzen configuration family.

AMD-Internal: [CPUPL-3518]
Change-Id: Iaa5096e0b83bf0f0c3fd1c41e601ccd29bda3c09
2024-04-12 07:26:31 -04:00