diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_s8_12x8')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_s8_12x8/x1.cpp | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_s8_12x8/x1.cpp b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_s8_12x8/x1.cpp new file mode 100644 index 0000000000..446fcf8707 --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_s8_12x8/x1.cpp @@ -0,0 +1,347 @@ +/* + * Copyright (c) 2017-2020 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 <arm_neon.h> + +#include "../../asmlib.hpp" + +namespace arm_gemm { + +void a64_gemm_s8_12x8_x1(const int8_t *Apanel, const int8_t *Bpanel, int32_t *Cpanel, int ablocks, int bblocks, int K) { + const int8_t *a_ptr = Apanel; + int32_t *c_ptr = Cpanel; + // We divide K by 4 because the sdot 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 int8_t *a_ptr0 = a_ptr; + const int8_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"); + + __asm __volatile ( + // 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" + ".word 0x4f80e048 // sdot v8.4s , %[b0].16b, %[a0].4b[0]\n" + ".word 0x4fa0e049 // sdot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + ".word 0x4f80e84a // sdot v10.4s, %[b0].16b, %[a0].4b[2]\n" + ".word 0x4fa0e84b // sdot v11.4s, %[b0].16b, %[a0].4b[3]\n" + ".word 0x4f81e04c // sdot v12.4s, %[b0].16b, %[a1].4b[0]\n" + ".word 0x4fa1e04d // sdot v13.4s, %[b0].16b, %[a1].4b[1]\n" + ".word 0x4f81e84e // sdot v14.4s, %[b0].16b, %[a1].4b[2]\n" + ".word 0x4fa1e84f // sdot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "ldr %q[b0], [%[b_ptr], #48]\n" + + ".word 0x4f80e070 // sdot v16.4s, %[b1].16b, %[a0].4b[0]\n" + ".word 0x4fa0e071 // sdot v17.4s, %[b1].16b, %[a0].4b[1]\n" + ASM_PREFETCH("[%[a_ptr], #320]") + ".word 0x4f80e872 // sdot v18.4s, %[b1].16b, %[a0].4b[2]\n" + ".word 0x4fa0e873 // sdot v19.4s, %[b1].16b, %[a0].4b[3]\n" + ".word 0x4f81e074 // sdot v20.4s, %[b1].16b, %[a1].4b[0]\n" + ".word 0x4fa1e075 // sdot v21.4s, %[b1].16b, %[a1].4b[1]\n" + ".word 0x4f81e876 // sdot v22.4s, %[b1].16b, %[a1].4b[2]\n" + ".word 0x4fa1e877 // sdot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "ldr %q[b1], [%[b_ptr], #64]\n" + + ".word 0x4f80e098 // sdot v24.4s, %[b2].16b, %[a0].4b[0]\n" + ".word 0x4fa0e099 // sdot v25.4s, %[b2].16b, %[a0].4b[1]\n" + ASM_PREFETCH("[%[b_ptr], #448]") + ".word 0x4f80e89a // sdot v26.4s, %[b2].16b, %[a0].4b[2]\n" + ".word 0x4fa0e89b // sdot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "ldr %q[a0], [%[a_ptr], #32]\n" + ".word 0x4f81e09c // sdot v28.4s, %[b2].16b, %[a1].4b[0]\n" + ".word 0x4fa1e09d // sdot v29.4s, %[b2].16b, %[a1].4b[1]\n" + ".word 0x4f81e89e // sdot v30.4s, %[b2].16b, %[a1].4b[2]\n" + ".word 0x4fa1e89f // sdot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "ldr %q[a1], [%[a_ptr], #48]\n" + + ".word 0x4f80e048 // sdot v8.4s , %[b0].16b, %[a0].4b[0]\n" + ".word 0x4fa0e049 // sdot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "ldr %q[b2], [%[b_ptr], #80]\n" + ".word 0x4f80e84a // sdot v10.4s, %[b0].16b, %[a0].4b[2]\n" + ".word 0x4fa0e84b // sdot v11.4s, %[b0].16b, %[a0].4b[3]\n" + ".word 0x4f81e04c // sdot v12.4s, %[b0].16b, %[a1].4b[0]\n" + ".word 0x4fa1e04d // sdot v13.4s, %[b0].16b, %[a1].4b[1]\n" + ".word 0x4f81e84e // sdot v14.4s, %[b0].16b, %[a1].4b[2]\n" + ".word 0x4fa1e84f // sdot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "ldr %q[b0], [%[b_ptr], #96]\n" + + ".word 0x4f80e070 // sdot v16.4s, %[b1].16b, %[a0].4b[0]\n" + ".word 0x4fa0e071 // sdot v17.4s, %[b1].16b, %[a0].4b[1]\n" + ASM_PREFETCH("[%[b_ptr], #512]") + ".word 0x4f80e872 // sdot v18.4s, %[b1].16b, %[a0].4b[2]\n" + ".word 0x4fa0e873 // sdot v19.4s, %[b1].16b, %[a0].4b[3]\n" + "subs %w[k], %w[k], #1\n" + ".word 0x4f81e074 // sdot v20.4s, %[b1].16b, %[a1].4b[0]\n" + ".word 0x4fa1e075 // sdot v21.4s, %[b1].16b, %[a1].4b[1]\n" + ".word 0x4f81e876 // sdot v22.4s, %[b1].16b, %[a1].4b[2]\n" + ".word 0x4fa1e877 // sdot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "ldr %q[b1], [%[b_ptr], #112]\n" + + ".word 0x4f80e098 // sdot v24.4s, %[b2].16b, %[a0].4b[0]\n" + ".word 0x4fa0e099 // sdot v25.4s, %[b2].16b, %[a0].4b[1]\n" + "add %[a_ptr], %[a_ptr], #64\n" + ".word 0x4f80e89a // sdot v26.4s, %[b2].16b, %[a0].4b[2]\n" + ".word 0x4fa0e89b // sdot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "ldr %q[a0], [%[a_ptr]]\n" + ".word 0x4f81e09c // sdot v28.4s, %[b2].16b, %[a1].4b[0]\n" + "add %[b_ptr], %[b_ptr], #96\n" + ".word 0x4fa1e09d // sdot v29.4s, %[b2].16b, %[a1].4b[1]\n" + ".word 0x4f81e89e // sdot v30.4s, %[b2].16b, %[a1].4b[2]\n" + ".word 0x4fa1e89f // sdot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "ldr %q[a1], [%[a_ptr], #16]\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) + ".word 0x4f80e048 // sdot v8.4s , %[b0].16b, %[a0].4b[0]\n" + ".word 0x4fa0e049 // sdot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + ".word 0x4f80e84a // sdot v10.4s, %[b0].16b, %[a0].4b[2]\n" + ".word 0x4fa0e84b // sdot v11.4s, %[b0].16b, %[a0].4b[3]\n" + ".word 0x4f81e04c // sdot v12.4s, %[b0].16b, %[a1].4b[0]\n" + ".word 0x4fa1e04d // sdot v13.4s, %[b0].16b, %[a1].4b[1]\n" + ".word 0x4f81e84e // sdot v14.4s, %[b0].16b, %[a1].4b[2]\n" + ".word 0x4fa1e84f // sdot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "ldr %q[b0], [%[b_ptr], #48]\n" + + ".word 0x4f80e070 // sdot v16.4s, %[b1].16b, %[a0].4b[0]\n" + ".word 0x4fa0e071 // sdot v17.4s, %[b1].16b, %[a0].4b[1]\n" + ".word 0x4f80e872 // sdot v18.4s, %[b1].16b, %[a0].4b[2]\n" + ".word 0x4fa0e873 // sdot v19.4s, %[b1].16b, %[a0].4b[3]\n" + ".word 0x4f81e074 // sdot v20.4s, %[b1].16b, %[a1].4b[0]\n" + ".word 0x4fa1e075 // sdot v21.4s, %[b1].16b, %[a1].4b[1]\n" + ".word 0x4f81e876 // sdot v22.4s, %[b1].16b, %[a1].4b[2]\n" + ".word 0x4fa1e877 // sdot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "ldr %q[b1], [%[b_ptr], #64]\n" + + ".word 0x4f80e098 // sdot v24.4s, %[b2].16b, %[a0].4b[0]\n" + ".word 0x4fa0e099 // sdot v25.4s, %[b2].16b, %[a0].4b[1]\n" + "add %[a_ptr], %[a_ptr], #64\n" + ".word 0x4f80e89a // sdot v26.4s, %[b2].16b, %[a0].4b[2]\n" + ".word 0x4fa0e89b // sdot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "ldr %q[a0], [%[a_ptr], #-32]\n" + ".word 0x4f81e09c // sdot v28.4s, %[b2].16b, %[a1].4b[0]\n" + ".word 0x4fa1e09d // sdot v29.4s, %[b2].16b, %[a1].4b[1]\n" + ".word 0x4f81e89e // sdot v30.4s, %[b2].16b, %[a1].4b[2]\n" + ".word 0x4fa1e89f // sdot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "ldr %q[a1], [%[a_ptr], #-16]\n" + + ".word 0x4f80e048 // sdot v8.4s , %[b0].16b, %[a0].4b[0]\n" + "ldr %q[b2], [%[b_ptr], #80]\n" + + ".word 0x4f80e070 // sdot v16.4s, %[b1].16b, %[a0].4b[0]\n" + "add %[b_ptr], %[b_ptr], #96\n" + ".word 0x4fa0e049 // sdot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "str q8, [%[c_ptr], #0]\n" + ".word 0x4fa0e071 // sdot v17.4s, %[b1].16b, %[a0].4b[1]\n" + "str q16, [%[c_ptr], #16]\n" + ".word 0x4f80e098 // sdot v24.4s, %[b2].16b, %[a0].4b[0]\n" + "str q24, [%[c_ptr], #32]\n" + + ".word 0x4fa0e099 // sdot v25.4s, %[b2].16b, %[a0].4b[1]\n" + "str q9, [%[c_ptr], #48]\n" + ".word 0x4f80e84a // sdot v10.4s, %[b0].16b, %[a0].4b[2]\n" + "str q17, [%[c_ptr], #64]\n" + ".word 0x4f80e872 // sdot v18.4s, %[b1].16b, %[a0].4b[2]\n" + "str q25, [%[c_ptr], #80]\n" + ".word 0x4f80e89a // sdot v26.4s, %[b2].16b, %[a0].4b[2]\n" + "str q10, [%[c_ptr], #96]\n" + + ".word 0x4fa0e84b // sdot v11.4s, %[b0].16b, %[a0].4b[3]\n" + "str q18, [%[c_ptr], #112]\n" + ".word 0x4fa0e873 // sdot v19.4s, %[b1].16b, %[a0].4b[3]\n" + "str q26, [%[c_ptr], #128]\n" + ".word 0x4fa0e89b // sdot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "str q11, [%[c_ptr], #144]\n" + + ".word 0x4f81e04c // sdot v12.4s, %[b0].16b, %[a1].4b[0]\n" + "str q19, [%[c_ptr], #160]\n" + ".word 0x4f81e074 // sdot v20.4s, %[b1].16b, %[a1].4b[0]\n" + "str q27, [%[c_ptr], #176]\n" + ".word 0x4f81e09c // sdot v28.4s, %[b2].16b, %[a1].4b[0]\n" + "str q12, [%[c_ptr], #192]\n" + + ".word 0x4fa1e04d // sdot v13.4s, %[b0].16b, %[a1].4b[1]\n" + "str q20, [%[c_ptr], #208]\n" + ".word 0x4fa1e075 // sdot v21.4s, %[b1].16b, %[a1].4b[1]\n" + "str q28, [%[c_ptr], #224]\n" + ".word 0x4fa1e09d // sdot v29.4s, %[b2].16b, %[a1].4b[1]\n" + "str q13, [%[c_ptr], #240]\n" + + ".word 0x4f81e84e // sdot v14.4s, %[b0].16b, %[a1].4b[2]\n" + "str q21, [%[c_ptr], #256]\n" + ".word 0x4f81e876 // sdot v22.4s, %[b1].16b, %[a1].4b[2]\n" + "str q29, [%[c_ptr], #272]\n" + ".word 0x4f81e89e // sdot v30.4s, %[b2].16b, %[a1].4b[2]\n" + "str q14, [%[c_ptr], #288]\n" + + ".word 0x4fa1e84f // sdot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "str q22, [%[c_ptr], #304]\n" + ".word 0x4fa1e877 // sdot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "str q30, [%[c_ptr], #320]\n" + ".word 0x4fa1e89f // sdot v31.4s, %[b2].16b, %[a1].4b[3]\n" + "str q15, [%[c_ptr], #336]\n" + + "b 3f\n" + + // Detached final iteration (odd K) + "2:\n" + ".word 0x4f80e048 // sdot v8.4s , %[b0].16b, %[a0].4b[0]\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + ".word 0x4f80e070 // sdot v16.4s, %[b1].16b, %[a0].4b[0]\n" + ".word 0x4fa0e049 // sdot v9.4s , %[b0].16b, %[a0].4b[1]\n" + "str q8, [%[c_ptr], #0]\n" + ".word 0x4fa0e071 // sdot v17.4s, %[b1].16b, %[a0].4b[1]\n" + "str q16, [%[c_ptr], #16]\n" + ".word 0x4f80e098 // sdot 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" + ".word 0x4fa0e099 // sdot v25.4s, %[b2].16b, %[a0].4b[1]\n" + "str q9, [%[c_ptr], #48]\n" + + ".word 0x4f80e84a // sdot v10.4s, %[b0].16b, %[a0].4b[2]\n" + "str q17, [%[c_ptr], #64]\n" + ".word 0x4f80e872 // sdot v18.4s, %[b1].16b, %[a0].4b[2]\n" + "str q25, [%[c_ptr], #80]\n" + ".word 0x4f80e89a // sdot v26.4s, %[b2].16b, %[a0].4b[2]\n" + "str q10, [%[c_ptr], #96]\n" + + ".word 0x4fa0e84b // sdot v11.4s, %[b0].16b, %[a0].4b[3]\n" + "str q18, [%[c_ptr], #112]\n" + ".word 0x4fa0e873 // sdot v19.4s, %[b1].16b, %[a0].4b[3]\n" + "str q26, [%[c_ptr], #128]\n" + ".word 0x4fa0e89b // sdot v27.4s, %[b2].16b, %[a0].4b[3]\n" + "str q11, [%[c_ptr], #144]\n" + + ".word 0x4f81e04c // sdot v12.4s, %[b0].16b, %[a1].4b[0]\n" + "str q19, [%[c_ptr], #160]\n" + ".word 0x4f81e074 // sdot v20.4s, %[b1].16b, %[a1].4b[0]\n" + "str q27, [%[c_ptr], #176]\n" + ".word 0x4f81e09c // sdot v28.4s, %[b2].16b, %[a1].4b[0]\n" + "str q12, [%[c_ptr], #192]\n" + + ".word 0x4fa1e04d // sdot v13.4s, %[b0].16b, %[a1].4b[1]\n" + "str q20, [%[c_ptr], #208]\n" + ".word 0x4fa1e075 // sdot v21.4s, %[b1].16b, %[a1].4b[1]\n" + "str q28, [%[c_ptr], #224]\n" + ".word 0x4fa1e09d // sdot v29.4s, %[b2].16b, %[a1].4b[1]\n" + "str q13, [%[c_ptr], #240]\n" + + ".word 0x4f81e84e // sdot v14.4s, %[b0].16b, %[a1].4b[2]\n" + "str q21, [%[c_ptr], #256]\n" + ".word 0x4f81e876 // sdot v22.4s, %[b1].16b, %[a1].4b[2]\n" + "str q29, [%[c_ptr], #272]\n" + ".word 0x4f81e89e // sdot v30.4s, %[b2].16b, %[a1].4b[2]\n" + "str q14, [%[c_ptr], #288]\n" + + ".word 0x4fa1e84f // sdot v15.4s, %[b0].16b, %[a1].4b[3]\n" + "str q22, [%[c_ptr], #304]\n" + ".word 0x4fa1e877 // sdot v23.4s, %[b1].16b, %[a1].4b[3]\n" + "str q30, [%[c_ptr], #320]\n" + ".word 0x4fa1e89f // sdot 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" + : + [a_ptr] "+r" (a_ptr), [b_ptr] "+r" (b_ptr), [c_ptr] "+r" (c_ptr), + [a0] "+w" (a0), [a1] "+w" (a1), + [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 |