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/kernels/a64_gemm_u8_12x8/generic.cpp | 343 +++++++++++++++++++++ 1 file changed, 343 insertions(+) create mode 100644 src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_12x8/generic.cpp (limited to 'src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_12x8/generic.cpp') diff --git a/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_12x8/generic.cpp b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_12x8/generic.cpp new file mode 100644 index 0000000000..d026dc54f3 --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_12x8/generic.cpp @@ -0,0 +1,343 @@ +/* + * 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. + */ +#ifdef __aarch64__ + +#include + +#include "../../asmlib.hpp" + +#ifdef NO_DOT_IN_TOOLCHAIN +#include "dot_toolchain_support.h" +#endif + +namespace arm_gemm +{ +void a64_gemm_u8_12x8(const uint8_t *Apanel, const uint8_t *Bpanel, uint32_t *Cpanel, int ablocks, int bblocks, int K) +{ + const uint8_t *a_ptr = Apanel; + uint32_t *c_ptr = Cpanel; + // We divide K by 4 because the udot instruction processes 4 elements at a time. + const int W = K / 4; + // Fix up for odd lengths - set a flag if K is odd, but make + // sure we round up the iteration count. + const int oddk = (W & 1); + const int init_value_k = ((W + 1) / 2) - 1; + for(int yb = 0; yb < ablocks; yb++) + { + const uint8_t *a_ptr0 = a_ptr; + const uint8_t *b_ptr = Bpanel; + for(int xb = 0; xb < bblocks; xb++) + { + a_ptr = a_ptr0; + int k = init_value_k; + register uint8x16_t a0 asm("v0"); + register uint8x16_t a1 asm("v1"); + register uint8x16_t b0 asm("v2"); + register uint8x16_t b1 asm("v3"); + register uint8x16_t b2 asm("v4"); + register uint8x16_t a0a asm("v5"); + register uint8x16_t a1a asm("v6"); + __asm __volatile( +#ifdef NO_DOT_IN_TOOLCHAIN + _DECLARE_UDOT +#else + ".arch armv8.2-a+dotprod\n" +#endif + // Initialize result registers, load initial operands, prime prefetches. + "movi v8.4s, #0x0\n" + "ldr %q[a0], [%[a_ptr]]\n" + "movi v9.4s, #0x0\n" + "ldr %q[b0], [%[b_ptr]]\n" + "movi v10.4s, #0x0\n" + "ldr %q[a1], [%[a_ptr], #16]\n" + "movi v11.4s, #0x0\n" + "ldr %q[b1], [%[b_ptr], #16]\n" + "movi v12.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #64]") "movi v13.4s, #0x0\n" ASM_PREFETCH("[%[a_ptr], #64]") "movi v14.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #128]") "movi v15.4s, #0x0\n" + ASM_PREFETCH("[%[a_ptr], #128]") "movi v16.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #192]") "movi v17.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #256]") "movi v18.4s, #0x0\n" + ASM_PREFETCH("[%[a_ptr], #192]") "movi v19.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #320]") "movi v20.4s, #0x0\n" ASM_PREFETCH("[%[a_ptr], #256]") "movi v21.4s, #0x0\n" + ASM_PREFETCH("[%[b_ptr], #384]") + "movi v22.4s, #0x0\n" + "movi v23.4s, #0x0\n" + "movi v24.4s, #0x0\n" + "movi v25.4s, #0x0\n" + "movi v26.4s, #0x0\n" + "movi v27.4s, #0x0\n" + "movi v28.4s, #0x0\n" + "movi v29.4s, #0x0\n" + "movi v30.4s, #0x0\n" + "movi v31.4s, #0x0\n" + + // Skip loop if we are doing zero iterations of it. + "cbz %w[k], 4f\n" + + // Loop proper + "1:\n" + "udot v8.4s , %[b0].16b, %[a0].4b[0]\n" + "udot v9.4s , %[b0].16b, %[a0].4b[1]\n" + + "ldr %q[b2], [%[b_ptr], #32]\n" + "udot v10.4s, %[b0].16b, %[a0].4b[2]\n" + "udot v11.4s, %[b0].16b, %[a0].4b[3]\n" + "ldr %q[a0a], [%[a_ptr], #32]\n" + "udot v12.4s, %[b0].16b, %[a1].4b[0]\n" + "udot v13.4s, %[b0].16b, %[a1].4b[1]\n" + "ldr %q[a1a], [%[a_ptr], #48]\n" + "udot v14.4s, %[b0].16b, %[a1].4b[2]\n" + "udot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "ldr %q[b0], [%[b_ptr], #48]\n" + + "udot v16.4s, %[b1].16b, %[a0].4b[0]\n" + "udot v17.4s, %[b1].16b, %[a0].4b[1]\n" ASM_PREFETCH("[%[a_ptr], #320]") + "udot v18.4s, %[b1].16b, %[a0].4b[2]\n" + "udot v19.4s, %[b1].16b, %[a0].4b[3]\n" + "udot v20.4s, %[b1].16b, %[a1].4b[0]\n" + "udot v21.4s, %[b1].16b, %[a1].4b[1]\n" + "udot v22.4s, %[b1].16b, %[a1].4b[2]\n" + "udot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "ldr %q[b1], [%[b_ptr], #64]\n" + + "udot v24.4s, %[b2].16b, %[a0].4b[0]\n" + "udot v25.4s, %[b2].16b, %[a0].4b[1]\n" ASM_PREFETCH("[%[b_ptr], #448]") + "udot v26.4s, %[b2].16b, %[a0].4b[2]\n" + "udot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "udot v28.4s, %[b2].16b, %[a1].4b[0]\n" + "udot v29.4s, %[b2].16b, %[a1].4b[1]\n" + "udot v30.4s, %[b2].16b, %[a1].4b[2]\n" + "udot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "ldr %q[b2], [%[b_ptr], #80]\n" + + "udot v8.4s , %[b0].16b, %[a0a].4b[0]\n" + "udot v9.4s , %[b0].16b, %[a0a].4b[1]\n" + "ldr %q[a0], [%[a_ptr], #64]\n" + "udot v10.4s, %[b0].16b, %[a0a].4b[2]\n" + "udot v11.4s, %[b0].16b, %[a0a].4b[3]\n" + "udot v12.4s, %[b0].16b, %[a1a].4b[0]\n" + "ldr %q[a1], [%[a_ptr], #80]\n" + "udot v13.4s, %[b0].16b, %[a1a].4b[1]\n" + "udot v14.4s, %[b0].16b, %[a1a].4b[2]\n" + "udot v15.4s, %[b0].16b, %[a1a].4b[3]\n" + "ldr %q[b0], [%[b_ptr], #96]\n" + + "udot v16.4s, %[b1].16b, %[a0a].4b[0]\n" + "udot v17.4s, %[b1].16b, %[a0a].4b[1]\n" ASM_PREFETCH("[%[b_ptr], #512]") + "udot v18.4s, %[b1].16b, %[a0a].4b[2]\n" + "udot v19.4s, %[b1].16b, %[a0a].4b[3]\n" + "udot v20.4s, %[b1].16b, %[a1a].4b[0]\n" + "udot v21.4s, %[b1].16b, %[a1a].4b[1]\n" + "udot v22.4s, %[b1].16b, %[a1a].4b[2]\n" + "udot v23.4s, %[b1].16b, %[a1a].4b[3]\n" + "ldr %q[b1], [%[b_ptr], #112]\n" + + "udot v24.4s, %[b2].16b, %[a0a].4b[0]\n" + "udot v25.4s, %[b2].16b, %[a0a].4b[1]\n" + "add %[a_ptr], %[a_ptr], #64\n" + "udot v26.4s, %[b2].16b, %[a0a].4b[2]\n" + "udot v27.4s, %[b2].16b, %[a0a].4b[3]\n" + "add %[b_ptr], %[b_ptr], #96\n" + "udot v28.4s, %[b2].16b, %[a1a].4b[0]\n" + "udot v29.4s, %[b2].16b, %[a1a].4b[1]\n" + "subs %w[k], %w[k], #1\n" + "udot v30.4s, %[b2].16b, %[a1a].4b[2]\n" + "udot v31.4s, %[b2].16b, %[a1a].4b[3]\n" + "bne 1b\n" + + // Target to use when K is 1 or 2 (i.e. zero iterations of main loop) + "4:\n" + + // Branch to alternative tail for odd K + "cbnz %w[oddk], 2f\n" + + // Detached final iteration (even K) + "udot v8.4s , %[b0].16b, %[a0].4b[0]\n" + "udot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + "udot v10.4s, %[b0].16b, %[a0].4b[2]\n" + "udot v11.4s, %[b0].16b, %[a0].4b[3]\n" + "ldr %q[a0a], [%[a_ptr], #32]\n" + "udot v12.4s, %[b0].16b, %[a1].4b[0]\n" + "udot v13.4s, %[b0].16b, %[a1].4b[1]\n" + "ldr %q[a1a], [%[a_ptr], #48]\n" + "udot v14.4s, %[b0].16b, %[a1].4b[2]\n" + "udot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "ldr %q[b0], [%[b_ptr], #48]\n" + + "udot v16.4s, %[b1].16b, %[a0].4b[0]\n" + "udot v17.4s, %[b1].16b, %[a0].4b[1]\n" + "udot v18.4s, %[b1].16b, %[a0].4b[2]\n" + "udot v19.4s, %[b1].16b, %[a0].4b[3]\n" + "udot v20.4s, %[b1].16b, %[a1].4b[0]\n" + "udot v21.4s, %[b1].16b, %[a1].4b[1]\n" + "udot v22.4s, %[b1].16b, %[a1].4b[2]\n" + "udot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "ldr %q[b1], [%[b_ptr], #64]\n" + + "udot v24.4s, %[b2].16b, %[a0].4b[0]\n" + "udot v25.4s, %[b2].16b, %[a0].4b[1]\n" + "add %[a_ptr], %[a_ptr], #64\n" + "udot v26.4s, %[b2].16b, %[a0].4b[2]\n" + "udot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "udot v28.4s, %[b2].16b, %[a1].4b[0]\n" + "udot v29.4s, %[b2].16b, %[a1].4b[1]\n" + "udot v30.4s, %[b2].16b, %[a1].4b[2]\n" + "udot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "ldr %q[b2], [%[b_ptr], #80]\n" + + "udot v8.4s , %[b0].16b, %[a0a].4b[0]\n" + + "udot v16.4s, %[b1].16b, %[a0a].4b[0]\n" + "add %[b_ptr], %[b_ptr], #96\n" + "udot v9.4s , %[b0].16b, %[a0a].4b[1]\n" + "str q8, [%[c_ptr], #0]\n" + "udot v17.4s, %[b1].16b, %[a0a].4b[1]\n" + "str q16, [%[c_ptr], #16]\n" + "udot v24.4s, %[b2].16b, %[a0a].4b[0]\n" + "str q24, [%[c_ptr], #32]\n" + + "udot v25.4s, %[b2].16b, %[a0a].4b[1]\n" + "str q9, [%[c_ptr], #48]\n" + "udot v10.4s, %[b0].16b, %[a0a].4b[2]\n" + "str q17, [%[c_ptr], #64]\n" + "udot v18.4s, %[b1].16b, %[a0a].4b[2]\n" + "str q25, [%[c_ptr], #80]\n" + "udot v26.4s, %[b2].16b, %[a0a].4b[2]\n" + "str q10, [%[c_ptr], #96]\n" + + "udot v11.4s, %[b0].16b, %[a0a].4b[3]\n" + "str q18, [%[c_ptr], #112]\n" + "udot v19.4s, %[b1].16b, %[a0a].4b[3]\n" + "str q26, [%[c_ptr], #128]\n" + "udot v27.4s, %[b2].16b, %[a0a].4b[3]\n" + "str q11, [%[c_ptr], #144]\n" + + "udot v12.4s, %[b0].16b, %[a1a].4b[0]\n" + "str q19, [%[c_ptr], #160]\n" + "udot v20.4s, %[b1].16b, %[a1a].4b[0]\n" + "str q27, [%[c_ptr], #176]\n" + "udot v28.4s, %[b2].16b, %[a1a].4b[0]\n" + "str q12, [%[c_ptr], #192]\n" + + "udot v13.4s, %[b0].16b, %[a1a].4b[1]\n" + "str q20, [%[c_ptr], #208]\n" + "udot v21.4s, %[b1].16b, %[a1a].4b[1]\n" + "str q28, [%[c_ptr], #224]\n" + "udot v29.4s, %[b2].16b, %[a1a].4b[1]\n" + "str q13, [%[c_ptr], #240]\n" + + "udot v14.4s, %[b0].16b, %[a1a].4b[2]\n" + "str q21, [%[c_ptr], #256]\n" + "udot v22.4s, %[b1].16b, %[a1a].4b[2]\n" + "str q29, [%[c_ptr], #272]\n" + "udot v30.4s, %[b2].16b, %[a1a].4b[2]\n" + "str q14, [%[c_ptr], #288]\n" + + "udot v15.4s, %[b0].16b, %[a1a].4b[3]\n" + "str q22, [%[c_ptr], #304]\n" + "udot v23.4s, %[b1].16b, %[a1a].4b[3]\n" + "str q30, [%[c_ptr], #320]\n" + "udot v31.4s, %[b2].16b, %[a1a].4b[3]\n" + "str q15, [%[c_ptr], #336]\n" + + "b 3f\n" + + // Detached final iteration (odd K) + "2:\n" + "udot v8.4s , %[b0].16b, %[a0].4b[0]\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + "udot v16.4s, %[b1].16b, %[a0].4b[0]\n" + "udot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "str q8, [%[c_ptr], #0]\n" + "udot v17.4s, %[b1].16b, %[a0].4b[1]\n" + "str q16, [%[c_ptr], #16]\n" + "udot v24.4s, %[b2].16b, %[a0].4b[0]\n" + "add %[b_ptr], %[b_ptr], #48\n" + "add %[a_ptr], %[a_ptr], #32\n" + "str q24, [%[c_ptr], #32]\n" + "udot v25.4s, %[b2].16b, %[a0].4b[1]\n" + "str q9, [%[c_ptr], #48]\n" + + "udot v10.4s, %[b0].16b, %[a0].4b[2]\n" + "str q17, [%[c_ptr], #64]\n" + "udot v18.4s, %[b1].16b, %[a0].4b[2]\n" + "str q25, [%[c_ptr], #80]\n" + "udot v26.4s, %[b2].16b, %[a0].4b[2]\n" + "str q10, [%[c_ptr], #96]\n" + + "udot v11.4s, %[b0].16b, %[a0].4b[3]\n" + "str q18, [%[c_ptr], #112]\n" + "udot v19.4s, %[b1].16b, %[a0].4b[3]\n" + "str q26, [%[c_ptr], #128]\n" + "udot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "str q11, [%[c_ptr], #144]\n" + + "udot v12.4s, %[b0].16b, %[a1].4b[0]\n" + "str q19, [%[c_ptr], #160]\n" + "udot v20.4s, %[b1].16b, %[a1].4b[0]\n" + "str q27, [%[c_ptr], #176]\n" + "udot v28.4s, %[b2].16b, %[a1].4b[0]\n" + "str q12, [%[c_ptr], #192]\n" + + "udot v13.4s, %[b0].16b, %[a1].4b[1]\n" + "str q20, [%[c_ptr], #208]\n" + "udot v21.4s, %[b1].16b, %[a1].4b[1]\n" + "str q28, [%[c_ptr], #224]\n" + "udot v29.4s, %[b2].16b, %[a1].4b[1]\n" + "str q13, [%[c_ptr], #240]\n" + + "udot v14.4s, %[b0].16b, %[a1].4b[2]\n" + "str q21, [%[c_ptr], #256]\n" + "udot v22.4s, %[b1].16b, %[a1].4b[2]\n" + "str q29, [%[c_ptr], #272]\n" + "udot v30.4s, %[b2].16b, %[a1].4b[2]\n" + "str q14, [%[c_ptr], #288]\n" + + "udot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "str q22, [%[c_ptr], #304]\n" + "udot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "str q30, [%[c_ptr], #320]\n" + "udot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "str q15, [%[c_ptr], #336]\n" + + // Common tail + "3:\n" + "str q23, [%[c_ptr], #352]\n" + "str q31, [%[c_ptr], #368]\n" + "add %[c_ptr], %[c_ptr], #384\n" + +#ifdef NO_DOT_IN_TOOLCHAIN + ".purgem udot\n" +#endif + : + [a_ptr] "+r"(a_ptr), [b_ptr] "+r"(b_ptr), [c_ptr] "+r"(c_ptr), + [a0] "+w"(a0), [a1] "+w"(a1), [a0a] "+w"(a0a), [a1a] "+w"(a1a), + [b0] "+w"(b0), [b1] "+w"(b1), [b2] "+w"(b2), [k] "+r"(k) + : [oddk] "r"(oddk) + : "x20", "x21", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", "v16", "v17", "v18", + "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "cc"); + } + } +} + +} // namespace arm_gemm + +#endif -- cgit v1.2.1