From eb82fd2aa786715c3b6a941dc6d6deac4ce8e2a0 Mon Sep 17 00:00:00 2001 From: Pablo Tello Date: Fri, 23 Feb 2018 13:43:50 +0000 Subject: COMPMID-881: RSH new arm_gemm interface. Change-Id: I1e2a1a77097d8017c274af3f97eba6964f80f5fa Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/122592 Tested-by: Jenkins Reviewed-by: Anthony Barbier --- .../arm_gemm/merges/a32_merge_float_8x6.hpp | 167 +++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp (limited to 'src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp') diff --git a/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp b/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp new file mode 100644 index 0000000000..b44e56499f --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/merges/a32_merge_float_8x6.hpp @@ -0,0 +1,167 @@ +/* + * Copyright (c) 2017-2018 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#pragma once + +#ifdef __arm__ + +#include + +template <> +inline void MergeResults<8, 6>(float *out, const float *in, const int ldout, const int y0, const int ymax, const int x0, const int xmax, const float alpha, const float beta) +{ + const float *inptr = in; + prefetch_6x(inptr); + prefetch_6x(inptr + 96); + + float32x4_t av = vdupq_n_f32(alpha); + float32x4_t bv = vdupq_n_f32(beta); + + for(int y = y0; y < ymax; y += 8) + { + float *outptr0 = out + (y * ldout) + x0; + float *outptr1 = outptr0 + ldout; + float *outptr2 = outptr1 + ldout; + float *outptr3 = outptr2 + ldout; + float *outptr4 = outptr3 + ldout; + float *outptr5 = outptr4 + ldout; + + prefetch_2x(outptr0); + prefetch_2x(outptr1); + prefetch_2x(outptr2); + prefetch_2x(outptr3); + prefetch_2x(outptr4); + prefetch_2x(outptr5); + + for(int i = x0; i < xmax; i += 8) + { + float dummyres[8]; + + /* Make sure we throw away results if Y isn't a multiple of 8. + * We do this by pointing the result pointer at a dummy buffer + * we later discard. */ + if((y + 5) >= ymax) + { + switch((y + 5) - ymax) + { + case 4: + outptr1 = dummyres; + case 3: + outptr2 = dummyres; + case 2: + outptr3 = dummyres; + case 1: + outptr4 = dummyres; + case 0: + outptr5 = dummyres; + break; + + default: + UNREACHABLE("Impossible."); + } + } + + /* For ragged X, manually copy over the valid results. */ + if((i + 7) >= xmax) + { + for(int xi = 0; xi < 8; xi++) + { + if((i + xi) < xmax) + { + *outptr0 = (alpha * inptr[xi]) + (*outptr0 * beta); + outptr0++; + *outptr1 = (alpha * inptr[xi + 8]) + (*outptr1 * beta); + outptr1++; + *outptr2 = (alpha * inptr[xi + 16]) + (*outptr2 * beta); + outptr2++; + *outptr3 = (alpha * inptr[xi + 24]) + (*outptr3 * beta); + outptr3++; + *outptr4 = (alpha * inptr[xi + 32]) + (*outptr4 * beta); + outptr4++; + *outptr5 = (alpha * inptr[xi + 40]) + (*outptr5 * beta); + outptr5++; + } + } + inptr += 48; + } + else + { + /* Optimized routine to copy an entire block */ + __asm __volatile( + // Rows 0-1 + "VLD1.32 {d8-d11}, [%[outptr0]]\n" + "VMUL.f32 q4, q4, %q[bv]\n" + "VLD1.32 {d12-d15}, [%[outptr1]]\n" + "VMUL.f32 q5, q5, %q[bv]\n" + "VLD1.32 {d0-d3}, [%[inptr]]!\n" + "VMUL.f32 q6, q6, %q[bv]\n" + "VLD1.32 {d4-d7}, [%[inptr]]!\n" + "VMUL.f32 q7, q7, %q[bv]\n" + + "VMLA.f32 q4, q0, %q[av]\n" ASM_PREFETCH("[%[inptr], #352]") + "VMLA.f32 q5, q1, %q[av]\n" + "VST1.32 {d8-d11}, [%[outptr0]]!\n" ASM_PREFETCH("[%[inptr], #416]") "VMLA.f32 q6, q2, %q[av]\n" ASM_PREFETCH("[%[inptr], #480]") + "VMLA.f32 q7, q3, %q[av]\n" + "VST1.32 {d12-d15}, [%[outptr1]]!\n" + + // Rows 2-3 + "VLD1.32 {d8-d11}, [%[outptr2]]\n" + "VMUL.f32 q4, q4, %q[bv]\n" + "VLD1.32 {d12-d15}, [%[outptr3]]\n" + "VMUL.f32 q5, q5, %q[bv]\n" + "VLD1.32 {d0-d3}, [%[inptr]]!\n" + "VMUL.f32 q6, q6, %q[bv]\n" + "VLD1.32 {d4-d7}, [%[inptr]]!\n" + "VMUL.f32 q7, q7, %q[bv]\n" + + "VMLA.f32 q4, q0, %q[av]\n" ASM_PREFETCH("[%[outptr0], #96]") + "VMLA.f32 q5, q1, %q[av]\n" + "VST1.32 {d8-d11}, [%[outptr2]]!\n" ASM_PREFETCH("[%[outptr1], #96]") "VMLA.f32 q6, q2, %q[av]\n" ASM_PREFETCH("[%[outptr2], #96]") + "VMLA.f32 q7, q3, %q[av]\n" + "VST1.32 {d12-d15}, [%[outptr3]]!\n" + + // Rows 4-5 + "VLD1.32 {d8-d11}, [%[outptr4]]\n" + "VMUL.f32 q4, q4, %q[bv]\n" + "VLD1.32 {d12-d15}, [%[outptr5]]\n" + "VMUL.f32 q5, q5, %q[bv]\n" + "VLD1.32 {d0-d3}, [%[inptr]]!\n" + "VMUL.f32 q6, q6, %q[bv]\n" + "VLD1.32 {d4-d7}, [%[inptr]]!\n" + "VMUL.f32 q7, q7, %q[bv]\n" + + "VMLA.f32 q4, q0, %q[av]\n" ASM_PREFETCH("[%[outptr3], #96]") + "VMLA.f32 q5, q1, %q[av]\n" + "VST1.32 {d8-d11}, [%[outptr4]]!\n" ASM_PREFETCH("[%[outptr4], #96]") "VMLA.f32 q6, q2, %q[av]\n" ASM_PREFETCH("[%[outptr5], #128]") + "VMLA.f32 q7, q3, %q[av]\n" + "VST1.32 {d12-d15}, [%[outptr5]]!\n" + : [outptr0] "+r"(outptr0), [outptr1] "+r"(outptr1), [outptr2] "+r"(outptr2), [outptr3] "+r"(outptr3), + [outptr4] "+r"(outptr4), [outptr5] "+r"(outptr5), [inptr] "+r"(inptr) + : [av] "w"(av), [bv] "w"(bv) + : "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7"); + } + } + } +} + +#endif // __arm__ -- cgit v1.2.1