commit 778b95cb755880ab4adc972fbf3b7022a99b63f9
author Michalis Spyrou <michalis.spyrou@arm.com> Tue Apr 20 12:15:52 2021 +0100
committer Michalis Spyrou <michalis.spyrou@arm.com> Tue Apr 20 17:10:48 2021 +0000
tree 13a4f6060e20a0989c558d7750386b8f32827e4b
parent dcf4c87cf78a5f1667699c1a3511d09356938660

Update assembly code

This patch brings performance uplift on Cortex-A35.

Resolves: COMPMID-4316

Change-Id: I2b9c02a599373f780dd1b981b821e33bd59a3422
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5461
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

src/core/NEON/kernels/arm_gemm/gemm_fp32.cpp

diff --git a/src/core/NEON/kernels/arm_gemm/gemm_fp32.cpp b/src/core/NEON/kernels/arm_gemm/gemm_fp32.cpp
index 6c3743d..d94814f 100644
--- a/src/core/NEON/kernels/arm_gemm/gemm_fp32.cpp
+++ b/src/core/NEON/kernels/arm_gemm/gemm_fp32.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -35,6 +35,7 @@
 #include "kernels/a64_hybrid_fp32_mla_6x16.hpp"
 #include "kernels/a64_hybrid_fp32_mla_8x4.hpp"
 #include "kernels/a64_sgemm_8x12.hpp"
+#include "kernels/a64_sgemm_8x6.hpp"
 #include "kernels/a64_smallK_hybrid_fp32_mla_6x4.hpp"
 #include "kernels/a64_smallK_hybrid_fp32_mla_8x4.hpp"
 
@@ -110,7 +111,14 @@
     [](const GemmArgs &args) { return new GemmHybridIndirect<cls_sve_hybrid_fp32_mla_6x4VL, float, float>(args); }
 },
 #endif // __ARM_FEATURE_SVE
-
+// Cortex-A35 specific kernel - use for any problem on A35, and never in any other cases.
+{
+    GemmMethod::GEMM_INTERLEAVED,
+    "a64_sgemm_8x6",
+    nullptr,
+    [](const GemmArgs &args) { return args._ci->get_cpu_model() == CPUModel::A35; },
+    [](const GemmArgs &args) { return new GemmInterleaved<cls_a64_sgemm_8x6, float, float>(args); }
+},
 // Arm® Neon™ hybrid methods
 {
     GemmMethod::GEMM_HYBRID,