XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Copyright 2019 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 % 4 == 0 |
Marat Dukhan | f32ae34 | 2020-03-10 19:21:17 -0700 | [diff] [blame] | 7 | $ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 8 | $VMULADDQ_F32 = "vfmaq_f32" if FMA else "vmlaq_f32" |
| 9 | $VMULADDQ_LANE_F32 = "vfmaq_lane_f32" if FMA else "vmlaq_lane_f32" |
| 10 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 11 | #include <assert.h> |
| 12 | |
| 13 | #include <arm_neon.h> |
| 14 | |
| 15 | #include <xnnpack/gemm.h> |
| 16 | |
| 17 | |
Marat Dukhan | de06f49 | 2020-04-09 00:19:31 -0700 | [diff] [blame^] | 18 | void xnn_f32_gemm${"inc" if INC else ""}_minmax_ukernel_${MR}x${NR}__${"neonfma" if FMA else "neon"}_${"dup" if DUP else "lane"}_ld64( |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 19 | size_t mr, |
| 20 | size_t nc, |
| 21 | size_t kc, |
| 22 | const float* restrict a, |
| 23 | size_t a_stride, |
| 24 | const float* restrict w, |
| 25 | float* restrict c, |
| 26 | size_t cm_stride, |
| 27 | size_t cn_stride, |
| 28 | $if INC: |
| 29 | const float*restrict acc, |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 30 | const union xnn_f32_minmax_params params[restrict static 1]) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 31 | { |
| 32 | assert(mr != 0); |
| 33 | assert(mr <= ${MR}); |
| 34 | assert(nc != 0); |
| 35 | assert(kc != 0); |
| 36 | assert(kc % sizeof(float) == 0); |
| 37 | assert(a != NULL); |
| 38 | assert(w != NULL); |
| 39 | assert(c != NULL); |
| 40 | $if INC: |
| 41 | assert(acc != NULL); |
| 42 | |
| 43 | const float* a0 = a; |
| 44 | float* c0 = c; |
| 45 | $for M in range(1, MR): |
| 46 | const float* a${M} = (const float*) ((uintptr_t) a${M-1} + a_stride); |
| 47 | float* c${M} = (float*) ((uintptr_t) c${M-1} + cm_stride); |
| 48 | $if M % 2 == 0: |
| 49 | if XNN_UNPREDICTABLE(mr <= ${M}) { |
| 50 | a${M} = a${M-1}; |
| 51 | c${M} = c${M-1}; |
| 52 | } |
| 53 | $elif M + 1 == MR: |
| 54 | if XNN_UNPREDICTABLE(mr != ${M+1}) { |
| 55 | a${M} = a${M-1}; |
| 56 | c${M} = c${M-1}; |
| 57 | } |
| 58 | $else: |
| 59 | if XNN_UNPREDICTABLE(mr < ${M+1}) { |
| 60 | a${M} = a${M-1}; |
| 61 | c${M} = c${M-1}; |
| 62 | } |
| 63 | |
| 64 | do { |
| 65 | $if INC: |
| 66 | $for M in range(MR): |
| 67 | $for N in range(0, NR, 4): |
| 68 | float32x4_t vacc${M}x${ABC[N:N+4]} = vld1q_f32(acc); acc += 4; |
| 69 | $else: |
| 70 | $for N in range(0, NR, 4): |
| 71 | float32x4_t vacc0x${ABC[N:N+4]} = vld1q_f32(w); w += 4; |
| 72 | $for M in range(1, MR): |
| 73 | $for N in range(0, NR, 4): |
| 74 | float32x4_t vacc${M}x${ABC[N:N+4]} = vacc0x${ABC[N:N+4]}; |
| 75 | |
| 76 | size_t k = kc; |
| 77 | for (; k >= 2 * sizeof(float); k -= 2 * sizeof(float)) { |
| 78 | $for M in range(MR): |
| 79 | const float32x2_t va${M} = vld1_f32(a${M}); a${M} += 2; |
| 80 | |
| 81 | $for L in range(2): |
| 82 | $for N in range(0, NR, 4): |
| 83 | const float32x4_t vb${ABC[N:N+4]}c${L} = vld1q_f32(w); w += 4; |
| 84 | |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 85 | $if DUP: |
| 86 | $for M in range(MR): |
| 87 | const float32x4_t va${M}c${L} = vdupq_lane_f32(va${M}, ${L}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 88 | $for N in range(0, NR, 4): |
| 89 | $for M in range(MR): |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 90 | vacc${M}x${ABC[N:N+4]} = ${VMULADDQ_F32}(vacc${M}x${ABC[N:N+4]}, va${M}c${L}, vb${ABC[N:N+4]}c${L}); |
| 91 | $else: |
| 92 | $for N in range(0, NR, 4): |
| 93 | $for M in range(MR): |
| 94 | vacc${M}x${ABC[N:N+4]} = ${VMULADDQ_LANE_F32}(vacc${M}x${ABC[N:N+4]}, vb${ABC[N:N+4]}c${L}, va${M}, ${L}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 95 | } |
| 96 | if XNN_UNLIKELY(k != 0) { |
| 97 | $for M in range(MR): |
| 98 | const float32x4_t va${M} = vld1q_dup_f32(a${M}); a${M} += 1; |
| 99 | |
| 100 | $for N in range(0, NR, 4): |
| 101 | const float32x4_t vb${ABC[N:N+4]} = vld1q_f32(w); w += 4; |
| 102 | |
| 103 | $for N in range(0, NR, 4): |
| 104 | $for M in range(MR): |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 105 | vacc${M}x${ABC[N:N+4]} = ${VMULADDQ_F32}(vacc${M}x${ABC[N:N+4]}, va${M}, vb${ABC[N:N+4]}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 106 | } |
Frank Barchard | fcfdc0e | 2019-10-21 15:58:42 -0700 | [diff] [blame] | 107 | const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 108 | $for N in range(0, NR, 4): |
| 109 | $for M in range(MR): |
Frank Barchard | fcfdc0e | 2019-10-21 15:58:42 -0700 | [diff] [blame] | 110 | vacc${M}x${ABC[N:N+4]} = vminq_f32(vacc${M}x${ABC[N:N+4]}, vmax); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 111 | |
Frank Barchard | fcfdc0e | 2019-10-21 15:58:42 -0700 | [diff] [blame] | 112 | const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 113 | $for N in range(0, NR, 4): |
| 114 | $for M in range(MR): |
Frank Barchard | fcfdc0e | 2019-10-21 15:58:42 -0700 | [diff] [blame] | 115 | vacc${M}x${ABC[N:N+4]} = vmaxq_f32(vacc${M}x${ABC[N:N+4]}, vmin); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 116 | |
| 117 | if XNN_LIKELY(nc >= ${NR}) { |
| 118 | $for M in reversed(range(MR)): |
| 119 | vst1q_f32(c${M}, vacc${M}x${ABC[0:4]}); |
| 120 | $for N in range(4, NR, 4): |
| 121 | vst1q_f32(c${M} + ${N}, vacc${M}x${ABC[N:N+4]}); |
| 122 | c${M} = (float*) ((uintptr_t) c${M} + cn_stride); |
| 123 | |
| 124 | $for M in reversed(range(MR)): |
| 125 | a${M} = (const float*) ((uintptr_t) a${M} - kc); |
| 126 | |
| 127 | nc -= ${NR}; |
| 128 | |
| 129 | } else { |
| 130 | $for LOG2N in reversed(range(NR.bit_length())): |
| 131 | $if NR != 1 << LOG2N: |
| 132 | if (nc & ${1 << LOG2N}) { |
| 133 | $if LOG2N >= 2: |
| 134 | $for N in range(0, 1 << LOG2N, 4): |
| 135 | $for M in reversed(range(MR)): |
| 136 | vst1q_f32(c${M}, vacc${M}x${ABC[N:N+4]}); c${M} += 4; |
| 137 | |
| 138 | $for M in reversed(range(MR)): |
| 139 | $for N in range(0, 1 << (LOG2N - 1), 4): |
| 140 | vacc${M}x${ABC[N:N+4]} = vacc${M}x${ABC[N + (1 << LOG2N):N + (1 << LOG2N)+4]}; |
| 141 | $elif LOG2N == 1: |
| 142 | $for M in reversed(range(MR)): |
| 143 | vst1_f32(c${M}, vacc${M}x${ABC[0:2]}); c${M} += 2; |
| 144 | |
| 145 | $for M in reversed(range(MR)): |
| 146 | vacc${M}x${ABC[0:2]} = vget_high_f32(vacc${M}x${ABC[0:4]}); |
| 147 | $elif LOG2N == 0: |
| 148 | $for M in reversed(range(MR)): |
| 149 | vst1_lane_f32(c${M}, vacc${M}x${ABC[0:2]}, 0); |
| 150 | } |
| 151 | $if LOG2N == 2: |
| 152 | $for M in reversed(range(MR)): |
| 153 | float32x2_t vacc${M}x${ABC[0:2]} = vget_low_f32(vacc${M}x${ABC[0:4]}); |
| 154 | |
| 155 | nc = 0; |
| 156 | } |
| 157 | } while (nc != 0); |
| 158 | } |