Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2022 Arm Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 22 | * IN THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #pragma once |
| 26 | |
| 27 | #ifdef __ARM_FEATURE_SVE |
| 28 | |
| 29 | |
| 30 | namespace { |
| 31 | |
| 32 | void sme_transpose_interleave_1VL_2x2_fp32bf16(bfloat16 *out, const float *in, size_t width, size_t in_stride, size_t height) |
| 33 | { |
| 34 | float *pad_row = reinterpret_cast<float *>(alloca(width * sizeof(float))); |
| 35 | |
| 36 | if (height % 2) { |
| 37 | memset(pad_row, 0, width * sizeof(float)); |
| 38 | } |
| 39 | |
| 40 | size_t out_stride = 1 * roundup<size_t>(height, 2) * sme::get_vector_length<uint16_t>(); |
| 41 | |
| 42 | __asm__ __volatile__( |
| 43 | ".inst 0xd503477f // SMSTART ZA\n" |
| 44 | "cmp %x[height], #0x4\n" |
| 45 | "ptrue p1.b\n" |
| 46 | "blt 6f\n" |
| 47 | "1:" // Main row loop: Head |
| 48 | "mov x25, %x[in]\n" |
| 49 | "add x24, x25, %x[in_stride]\n" |
| 50 | "add x23, x24, %x[in_stride]\n" |
| 51 | "mov x22, %x[width]\n" |
| 52 | "cnth x20, ALL, MUL #2\n" |
| 53 | "add x19, x23, %x[in_stride]\n" |
| 54 | "cmp x22, x20\n" |
| 55 | "add %x[in], x19, %x[in_stride]\n" |
| 56 | "mov x21, %x[out]\n" |
| 57 | "sub %x[height], %x[height], #0x4\n" |
| 58 | "blt 3f\n" |
| 59 | "2:" // Main row loop: Unroll column loop |
| 60 | "ld1w { z16.s }, p1/Z, [x25]\n" |
| 61 | ".inst 0x658aa618 // bfcvt z24.h, p1/M, z16.s\n" |
| 62 | "sub x22, x22, x20\n" |
| 63 | "cmp x22, x20\n" |
| 64 | "ld1w { z16.s }, p1/Z, [x23]\n" |
| 65 | ".inst 0x658aa617 // bfcvt z23.h, p1/M, z16.s\n" |
| 66 | "ld1w { z16.s }, p1/Z, [x25, #1, MUL VL]\n" |
| 67 | ".inst 0x658aa616 // bfcvt z22.h, p1/M, z16.s\n" |
| 68 | "ld1w { z16.s }, p1/Z, [x23, #1, MUL VL]\n" |
| 69 | ".inst 0x658aa615 // bfcvt z21.h, p1/M, z16.s\n" |
| 70 | "ld1w { z16.s }, p1/Z, [x25, #2, MUL VL]\n" |
| 71 | ".inst 0x658aa614 // bfcvt z20.h, p1/M, z16.s\n" |
| 72 | "ld1w { z16.s }, p1/Z, [x23, #2, MUL VL]\n" |
| 73 | ".inst 0x658aa613 // bfcvt z19.h, p1/M, z16.s\n" |
| 74 | "ld1w { z16.s }, p1/Z, [x25, #3, MUL VL]\n" |
| 75 | ".inst 0x658aa612 // bfcvt z18.h, p1/M, z16.s\n" |
| 76 | "addvl x25, x25, #4\n" |
| 77 | "ld1w { z16.s }, p1/Z, [x23, #3, MUL VL]\n" |
| 78 | ".inst 0x658aa611 // bfcvt z17.h, p1/M, z16.s\n" |
| 79 | "addvl x23, x23, #4\n" |
| 80 | "ld1w { z16.s }, p1/Z, [x24]\n" |
| 81 | ".inst 0x648aa618 // bfcvtnt z24.h, p1/M, z16.s\n" |
| 82 | "ld1w { z16.s }, p1/Z, [x19]\n" |
| 83 | ".inst 0x648aa617 // bfcvtnt z23.h, p1/M, z16.s\n" |
| 84 | "ld1w { z16.s }, p1/Z, [x24, #1, MUL VL]\n" |
| 85 | ".inst 0x648aa616 // bfcvtnt z22.h, p1/M, z16.s\n" |
| 86 | "ld1w { z16.s }, p1/Z, [x19, #1, MUL VL]\n" |
| 87 | ".inst 0x648aa615 // bfcvtnt z21.h, p1/M, z16.s\n" |
| 88 | "ld1w { z16.s }, p1/Z, [x24, #2, MUL VL]\n" |
| 89 | ".inst 0x648aa614 // bfcvtnt z20.h, p1/M, z16.s\n" |
| 90 | "ld1w { z16.s }, p1/Z, [x19, #2, MUL VL]\n" |
| 91 | ".inst 0x648aa613 // bfcvtnt z19.h, p1/M, z16.s\n" |
| 92 | "ld1w { z16.s }, p1/Z, [x24, #3, MUL VL]\n" |
| 93 | "addvl x24, x24, #4\n" |
| 94 | ".inst 0x648aa612 // bfcvtnt z18.h, p1/M, z16.s\n" |
| 95 | "ld1w { z16.s }, p1/Z, [x19, #3, MUL VL]\n" |
| 96 | "st1h { z24.h }, p1, [x21]\n" |
| 97 | "addvl x19, x19, #4\n" |
| 98 | ".inst 0x648aa611 // bfcvtnt z17.h, p1/M, z16.s\n" |
| 99 | "st1h { z23.h }, p1, [x21, #1, MUL VL]\n" |
| 100 | "add x21, x21, %x[out_stride]\n" |
| 101 | "st1h { z22.h }, p1, [x21]\n" |
| 102 | "st1h { z21.h }, p1, [x21, #1, MUL VL]\n" |
| 103 | "add x21, x21, %x[out_stride]\n" |
| 104 | "st1h { z20.h }, p1, [x21]\n" |
| 105 | "st1h { z19.h }, p1, [x21, #1, MUL VL]\n" |
| 106 | "add x21, x21, %x[out_stride]\n" |
| 107 | "st1h { z18.h }, p1, [x21]\n" |
| 108 | "st1h { z17.h }, p1, [x21, #1, MUL VL]\n" |
| 109 | "add x21, x21, %x[out_stride]\n" |
| 110 | "bge 2b\n" |
| 111 | "3:" // Main row loop: Unroll column loop skip |
| 112 | "cbz x22, 5f\n" |
| 113 | "4:" // Main row loop: Column loop |
| 114 | "whilelt p0.s, XZR, x22\n" |
| 115 | "ld1w { z16.s }, p0/Z, [x25]\n" |
| 116 | ".inst 0x658aa612 // bfcvt z18.h, p1/M, z16.s\n" |
| 117 | "decw x22\n" |
| 118 | "ld1w { z16.s }, p0/Z, [x23]\n" |
| 119 | ".inst 0x658aa611 // bfcvt z17.h, p1/M, z16.s\n" |
| 120 | "cmp x22, #0x0\n" |
| 121 | "addvl x25, x25, #1\n" |
| 122 | "ld1w { z16.s }, p0/Z, [x24]\n" |
| 123 | "addvl x24, x24, #1\n" |
| 124 | "addvl x23, x23, #1\n" |
| 125 | ".inst 0x648aa612 // bfcvtnt z18.h, p1/M, z16.s\n" |
| 126 | "ld1w { z16.s }, p0/Z, [x19]\n" |
| 127 | "addvl x19, x19, #1\n" |
| 128 | ".inst 0x648aa611 // bfcvtnt z17.h, p1/M, z16.s\n" |
| 129 | "st1h { z18.h }, p1, [x21]\n" |
| 130 | "st1h { z17.h }, p1, [x21, #1, MUL VL]\n" |
| 131 | "add x21, x21, %x[out_stride]\n" |
| 132 | "bgt 4b\n" |
| 133 | "5:" // Main row loop: Column loop skip |
| 134 | "cmp %x[height], #0x4\n" |
| 135 | "addvl %x[out], %x[out], #2\n" |
| 136 | "bge 1b\n" |
| 137 | "cbz %x[height], 12f\n" |
| 138 | "6:" // Main loop skip |
| 139 | "7:" // Tail row loop: Head |
| 140 | "mov x25, %x[in]\n" |
| 141 | "add x24, x25, %x[in_stride]\n" |
| 142 | "cmp %x[height], #0x1\n" |
| 143 | "mov x20, %x[width]\n" |
| 144 | "cnth x19, ALL, MUL #2\n" |
| 145 | "add %x[in], x24, %x[in_stride]\n" |
| 146 | "csel x24, x24, %x[pad_row], GT\n" |
| 147 | "cmp x20, x19\n" |
| 148 | "mov x21, %x[out]\n" |
| 149 | "sub %x[height], %x[height], #0x2\n" |
| 150 | "blt 9f\n" |
| 151 | "8:" // Tail row loop: Unroll column loop |
| 152 | "ld1w { z16.s }, p1/Z, [x25]\n" |
| 153 | ".inst 0x658aa614 // bfcvt z20.h, p1/M, z16.s\n" |
| 154 | "sub x20, x20, x19\n" |
| 155 | "cmp x20, x19\n" |
| 156 | "ld1w { z16.s }, p1/Z, [x25, #1, MUL VL]\n" |
| 157 | ".inst 0x658aa613 // bfcvt z19.h, p1/M, z16.s\n" |
| 158 | "ld1w { z16.s }, p1/Z, [x25, #2, MUL VL]\n" |
| 159 | ".inst 0x658aa612 // bfcvt z18.h, p1/M, z16.s\n" |
| 160 | "ld1w { z16.s }, p1/Z, [x25, #3, MUL VL]\n" |
| 161 | ".inst 0x658aa611 // bfcvt z17.h, p1/M, z16.s\n" |
| 162 | "addvl x25, x25, #4\n" |
| 163 | "ld1w { z16.s }, p1/Z, [x24]\n" |
| 164 | ".inst 0x648aa614 // bfcvtnt z20.h, p1/M, z16.s\n" |
| 165 | "ld1w { z16.s }, p1/Z, [x24, #1, MUL VL]\n" |
| 166 | ".inst 0x648aa613 // bfcvtnt z19.h, p1/M, z16.s\n" |
| 167 | "ld1w { z16.s }, p1/Z, [x24, #2, MUL VL]\n" |
| 168 | ".inst 0x648aa612 // bfcvtnt z18.h, p1/M, z16.s\n" |
| 169 | "ld1w { z16.s }, p1/Z, [x24, #3, MUL VL]\n" |
| 170 | "st1h { z20.h }, p1, [x21]\n" |
| 171 | "add x21, x21, %x[out_stride]\n" |
| 172 | "addvl x24, x24, #4\n" |
| 173 | "st1h { z19.h }, p1, [x21]\n" |
| 174 | "add x21, x21, %x[out_stride]\n" |
| 175 | ".inst 0x648aa611 // bfcvtnt z17.h, p1/M, z16.s\n" |
| 176 | "st1h { z18.h }, p1, [x21]\n" |
| 177 | "add x21, x21, %x[out_stride]\n" |
| 178 | "st1h { z17.h }, p1, [x21]\n" |
| 179 | "add x21, x21, %x[out_stride]\n" |
| 180 | "bge 8b\n" |
| 181 | "9:" // Tail row loop: Unroll column loop skip |
| 182 | "cbz x20, 11f\n" |
| 183 | "10:" // Tail row loop: Column loop |
| 184 | "whilelt p0.s, XZR, x20\n" |
| 185 | "ld1w { z16.s }, p0/Z, [x25]\n" |
| 186 | ".inst 0x658aa611 // bfcvt z17.h, p1/M, z16.s\n" |
| 187 | "decw x20\n" |
| 188 | "ld1w { z16.s }, p0/Z, [x24]\n" |
| 189 | "cmp x20, #0x0\n" |
| 190 | "addvl x25, x25, #1\n" |
| 191 | ".inst 0x648aa611 // bfcvtnt z17.h, p1/M, z16.s\n" |
| 192 | "addvl x24, x24, #1\n" |
| 193 | "st1h { z17.h }, p1, [x21]\n" |
| 194 | "add x21, x21, %x[out_stride]\n" |
| 195 | "bgt 10b\n" |
| 196 | "11:" // Tail row loop: Column loop skip |
| 197 | "cmp %x[height], #0x1\n" |
| 198 | "addvl %x[out], %x[out], #1\n" |
| 199 | "bge 7b\n" |
| 200 | "12:" // Done |
| 201 | ".inst 0xd503467f // SMSTOP\n" |
| 202 | : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out) |
| 203 | : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [pad_row] "r" (pad_row), [width] "r" (width) |
| 204 | : "cc", "memory", "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15", "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31" |
| 205 | ); |
| 206 | } |
| 207 | |
| 208 | } // anonymous namespace |
| 209 | template<> |
| 210 | void Transform<1, 2, true, VLType::SME>( |
| 211 | bfloat16 *out, const float *in, int stride, int x0, int xmax, int k0, int kmax) |
| 212 | { |
| 213 | sme_transpose_interleave_1VL_2x2_fp32bf16( |
| 214 | out, |
| 215 | in + k0 * stride + x0, |
| 216 | (xmax-x0), |
| 217 | stride * sizeof(float), |
| 218 | (kmax-k0) |
| 219 | ); |
| 220 | } |
| 221 | |
| 222 | #endif |