Marat Dukhan | e39e646 | 2020-07-09 01:33:36 -0700 | [diff] [blame] | 1 | // Copyright 2020 Google LLC |
| 2 | // |
| 3 | // This source code is licensed under the BSD-style license found in the |
| 4 | // LICENSE file in the root directory of this source tree. |
| 5 | |
| 6 | $assert NR == 2 |
| 7 | $assert MR % 2 == 0 |
| 8 | #include <assert.h> |
| 9 | |
| 10 | #include <wasm_simd128.h> |
| 11 | |
| 12 | #include <xnnpack/gemm.h> |
| 13 | |
| 14 | |
| 15 | $assert ACTIVATION in ["LINEAR", "RELU", "MINMAX"] |
| 16 | $ACTIVATION_SUFFIX = {"LINEAR": ""}.get(ACTIVATION, "_" + ACTIVATION.lower()) |
Marat Dukhan | 688f6d8 | 2020-07-14 17:02:11 -0700 | [diff] [blame] | 17 | $ARCH_SUFFIX = "" if ACTIVATION in ["LINEAR", "RELU"] else "_x86" if X86 else "_arm" |
Marat Dukhan | e39e646 | 2020-07-09 01:33:36 -0700 | [diff] [blame] | 18 | $PARAMS = {"LINEAR": "xnn_f32_default_params", "RELU": "xnn_f32_relu_params", "MINMAX": "xnn_f32_minmax_params"}[ACTIVATION] |
| 19 | void xnn_f32_gemm${ACTIVATION_SUFFIX}_ukernel_${MR}x${NR}c4__wasmsimd${ARCH_SUFFIX}( |
| 20 | size_t mr, |
| 21 | size_t nc, |
| 22 | size_t kc, |
| 23 | const float* restrict a, |
| 24 | size_t a_stride, |
| 25 | const float* restrict w, |
| 26 | float* restrict c, |
| 27 | size_t cm_stride, |
| 28 | size_t cn_stride, |
| 29 | const union ${PARAMS} params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| 30 | { |
| 31 | assert(mr != 0); |
| 32 | assert(mr <= ${MR}); |
| 33 | assert(nc != 0); |
| 34 | assert(kc != 0); |
| 35 | assert(kc % sizeof(float) == 0); |
| 36 | assert(a != NULL); |
| 37 | assert(w != NULL); |
| 38 | assert(c != NULL); |
| 39 | |
| 40 | const float* a0 = a; |
| 41 | float* c0 = c; |
| 42 | $for M in range(1, MR): |
| 43 | const float* a${M} = (const float*) ((uintptr_t) a${M-1} + a_stride); |
| 44 | float* c${M} = (float*) ((uintptr_t) c${M-1} + cm_stride); |
| 45 | $if M % 2 == 0: |
| 46 | if XNN_UNPREDICTABLE(mr <= ${M}) { |
| 47 | a${M} = a${M-1}; |
| 48 | c${M} = c${M-1}; |
| 49 | } |
| 50 | $elif M + 1 == MR: |
| 51 | if XNN_UNPREDICTABLE(mr != ${M+1}) { |
| 52 | a${M} = a${M-1}; |
| 53 | c${M} = c${M-1}; |
| 54 | } |
| 55 | $else: |
| 56 | if XNN_UNPREDICTABLE(mr < ${M+1}) { |
| 57 | a${M} = a${M-1}; |
| 58 | c${M} = c${M-1}; |
| 59 | } |
| 60 | |
| 61 | $if ACTIVATION == "MINMAX" and not X86: |
Marat Dukhan | ee029b2 | 2021-06-30 12:47:02 -0700 | [diff] [blame] | 62 | const v128_t vmin = wasm_v128_load32_splat(¶ms->scalar.min); |
| 63 | const v128_t vmax = wasm_v128_load32_splat(¶ms->scalar.max); |
Marat Dukhan | e39e646 | 2020-07-09 01:33:36 -0700 | [diff] [blame] | 64 | do { |
| 65 | v128_t vacc0x0c4 = wasm_f32x4_replace_lane(wasm_f32x4_splat(0.0f), 0, w[0]); |
| 66 | $for N in range(1, NR): |
| 67 | v128_t vacc0x${N}c4 = wasm_f32x4_replace_lane(vacc0x0c4, 0, w[${N}]); |
| 68 | $for M in range(1, MR): |
| 69 | $for N in range(NR): |
| 70 | v128_t vacc${M}x${N}c4 = vacc0x${N}c4; |
| 71 | w += ${NR}; |
| 72 | |
| 73 | size_t k = kc; |
| 74 | for (; k >= 4 * sizeof(float); k -= 4 * sizeof(float)) { |
| 75 | $for M in range(MR): |
| 76 | const v128_t va${M} = wasm_v128_load(a${M}); |
| 77 | a${M} += 4; |
| 78 | |
| 79 | const v128_t vb0 = wasm_v128_load(w); |
| 80 | $for N in range(1, NR): |
| 81 | const v128_t vb${N} = wasm_v128_load(w + ${N * 4}); |
| 82 | w += ${NR * 4}; |
| 83 | |
| 84 | $for M in range(MR): |
| 85 | $for N in range(NR): |
| 86 | vacc${M}x${N}c4 = wasm_f32x4_add(vacc${M}x${N}c4, wasm_f32x4_mul(va${M}, vb${N})); |
| 87 | } |
| 88 | if XNN_UNLIKELY(k != 0) { |
| 89 | $for M in range(MR): |
| 90 | const v128_t va${M} = wasm_v128_load(a${M}); |
| 91 | a${M} = (const float*) ((uintptr_t) a${M} + k); |
| 92 | |
| 93 | const v128_t vb0 = wasm_v128_load(w); |
| 94 | $for N in range(1, NR): |
| 95 | const v128_t vb${N} = wasm_v128_load(w + ${N * 4}); |
| 96 | w += ${NR * 4}; |
| 97 | |
| 98 | const v128_t vzero = wasm_f32x4_splat(0.0f); |
| 99 | $for N in range(NR): |
| 100 | const v128_t vmask${N} = wasm_f32x4_eq(vb${N}, vzero); |
| 101 | |
| 102 | $for M in range(MR): |
| 103 | $for N in range(NR): |
| 104 | vacc${M}x${N}c4 = wasm_f32x4_add(vacc${M}x${N}c4, wasm_f32x4_mul(wasm_v128_andnot(va${M}, vmask${N}), vb${N})); |
| 105 | } |
| 106 | |
| 107 | $for M in range(MR): |
| 108 | const v128_t vacc${M}x01c2 = wasm_f32x4_add( |
| 109 | wasm_v32x4_shuffle(vacc${M}x0c4, vacc${M}x1c4, 0, 4, 1, 5), |
| 110 | wasm_v32x4_shuffle(vacc${M}x0c4, vacc${M}x1c4, 2, 6, 3, 7)); |
| 111 | |
| 112 | $for M in range(0, MR, 2): |
| 113 | v128_t vacc${M}${M+1}x01 = wasm_f32x4_add( |
| 114 | wasm_v32x4_shuffle(vacc${M}x01c2, vacc${M+1}x01c2, 0, 1, 4, 5), |
| 115 | wasm_v32x4_shuffle(vacc${M}x01c2, vacc${M+1}x01c2, 2, 3, 6, 7)); |
| 116 | |
| 117 | $if ACTIVATION == "MINMAX": |
| 118 | $if X86: |
Marat Dukhan | ee029b2 | 2021-06-30 12:47:02 -0700 | [diff] [blame] | 119 | const v128_t vmin = wasm_v128_load32_splat(¶ms->scalar.min); |
Marat Dukhan | e39e646 | 2020-07-09 01:33:36 -0700 | [diff] [blame] | 120 | $for M in range(0, MR, 2): |
| 121 | vacc${M}${M+1}x01 = wasm_v128_bitselect(vmin, vacc${M}${M+1}x01, wasm_f32x4_lt(vacc${M}${M+1}x01, vmin)); |
| 122 | $else: |
| 123 | $for M in range(0, MR, 2): |
| 124 | vacc${M}${M+1}x01 = wasm_f32x4_max(vacc${M}${M+1}x01, vmin); |
| 125 | |
| 126 | $if X86: |
Marat Dukhan | ee029b2 | 2021-06-30 12:47:02 -0700 | [diff] [blame] | 127 | const v128_t vmax = wasm_v128_load32_splat(¶ms->scalar.max); |
Marat Dukhan | e39e646 | 2020-07-09 01:33:36 -0700 | [diff] [blame] | 128 | $for M in range(0, MR, 2): |
| 129 | vacc${M}${M+1}x01 = wasm_v128_bitselect(vacc${M}${M+1}x01, vmax, wasm_f32x4_le(vacc${M}${M+1}x01, vmax)); |
| 130 | $else: |
| 131 | $for M in range(0, MR, 2): |
| 132 | vacc${M}${M+1}x01 = wasm_f32x4_min(vacc${M}${M+1}x01, vmax); |
| 133 | $elif ACTIVATION == "RELU": |
| 134 | const v128_t vzero = wasm_f32x4_splat(0.0f); |
Marat Dukhan | 688f6d8 | 2020-07-14 17:02:11 -0700 | [diff] [blame] | 135 | $for M in range(0, MR, 2): |
| 136 | vacc${M}${M+1}x01 = wasm_i32x4_max(vacc${M}${M+1}x01, vzero); |
Marat Dukhan | e39e646 | 2020-07-09 01:33:36 -0700 | [diff] [blame] | 137 | |
| 138 | if XNN_LIKELY(nc >= ${NR}) { |
| 139 | $for M in reversed(range(0, MR, 2)): |
| 140 | *((double*) c${M}) = wasm_f64x2_extract_lane(vacc${M}${M+1}x01, 0); |
| 141 | c${M} = (float*) ((uintptr_t) c${M} + cn_stride); |
| 142 | a${M} = (const float*) ((uintptr_t) a${M} - kc); |
| 143 | *((double*) c${M+1}) = wasm_f64x2_extract_lane(vacc${M}${M+1}x01, 1); |
| 144 | c${M+1} = (float*) ((uintptr_t) c${M+1} + cn_stride); |
| 145 | a${M+1} = (const float*) ((uintptr_t) a${M+1} - kc); |
| 146 | |
| 147 | nc -= ${NR}; |
| 148 | } else { |
| 149 | assert(nc == 1); |
| 150 | $for M in reversed(range(0, MR, 2)): |
| 151 | *c${M} = wasm_f32x4_extract_lane(vacc${M}${M+1}x01, 0); |
| 152 | *c${M+1} = wasm_f32x4_extract_lane(vacc${M}${M+1}x01, 2); |
| 153 | |
| 154 | nc = 0; |
| 155 | } |
| 156 | } while (nc != 0); |
| 157 | } |