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 |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 7 | $ABC = "0123456789ABCDEFGHIJKLMN" |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 8 | $VMULADDQ_F32 = "vfmaq_f32" if FMA else "vmlaq_f32" |
| 9 | $VMULADDQ_LANE_F32 = "vfmaq_lane_f32" if FMA else "vmlaq_lane_f32" |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 10 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 11 | #include <assert.h> |
| 12 | |
| 13 | #include <arm_neon.h> |
| 14 | |
| 15 | #include <xnnpack/igemm.h> |
| 16 | |
| 17 | |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 18 | void xnn_f32_igemm_ukernel_${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 | size_t ks, |
| 23 | const float**restrict a, |
| 24 | const float*restrict w, |
| 25 | float*restrict c, |
| 26 | size_t cm_stride, |
| 27 | size_t cn_stride, |
| 28 | size_t a_offset, |
| 29 | const float* zero, |
| 30 | const union xnn_f32_output_params params[restrict static 1]) |
| 31 | { |
| 32 | assert(mr != 0); |
| 33 | assert(mr <= ${MR}); |
| 34 | assert(nc != 0); |
| 35 | assert(kc != 0); |
| 36 | assert(kc % sizeof(float) == 0); |
| 37 | assert(ks != 0); |
| 38 | assert(ks % (${MR} * sizeof(void*)) == 0); |
| 39 | assert(a_offset % sizeof(float) == 0); |
Frank Barchard | 7ccaab6 | 2019-11-19 14:19:23 -0800 | [diff] [blame] | 40 | assert(a != NULL); |
| 41 | assert(w != NULL); |
| 42 | assert(c != NULL); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 43 | |
| 44 | float* c0 = c; |
| 45 | $for M in range(1, MR): |
| 46 | float* c${M} = (float*) ((uintptr_t) c${M-1} + cm_stride); |
| 47 | $if M % 2 == 0: |
| 48 | if XNN_UNPREDICTABLE(mr <= ${M}) { |
| 49 | c${M} = c${M-1}; |
| 50 | } |
| 51 | $elif M + 1 == MR: |
| 52 | if XNN_UNPREDICTABLE(mr != ${M+1}) { |
| 53 | c${M} = c${M-1}; |
| 54 | } |
| 55 | $else: |
| 56 | if XNN_UNPREDICTABLE(mr < ${M+1}) { |
| 57 | c${M} = c${M-1}; |
| 58 | } |
| 59 | |
| 60 | do { |
| 61 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 62 | float32x4_t vacc0x${ABC[N:N+4]} = vld1q_f32(w); w += 4; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 63 | $for M in range(1, MR): |
| 64 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 65 | float32x4_t vacc${M}x${ABC[N:N+4]} = vacc0x${ABC[N:N+4]}; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 66 | |
| 67 | size_t p = ks; |
| 68 | do { |
| 69 | $for M in range(MR): |
| 70 | const float* restrict a${M} = a[${M}]; |
Frank Barchard | 7ccaab6 | 2019-11-19 14:19:23 -0800 | [diff] [blame] | 71 | assert(a${M} != NULL); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 72 | if XNN_UNPREDICTABLE(a${M} != zero) { |
| 73 | a${M} = (const float*) ((uintptr_t) a${M} + a_offset); |
| 74 | } |
| 75 | a += ${MR}; |
| 76 | |
| 77 | size_t k = kc; |
| 78 | for (; k >= 2 * sizeof(float); k -= 2 * sizeof(float)) { |
| 79 | $for M in range(MR): |
| 80 | const float32x2_t va${M} = vld1_f32(a${M}); a${M} += 2; |
| 81 | |
| 82 | $for L in range(2): |
| 83 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 84 | const float32x4_t vb${ABC[N:N+4]}c${L} = vld1q_f32(w); w += 4; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 85 | |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 86 | $if DUP: |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 87 | $for M in range(MR): |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 88 | const float32x4_t va${M}c${L} = vdupq_lane_f32(va${M}, ${L}); |
| 89 | $for N in range(0, NR, 4): |
| 90 | $for M in range(MR): |
| 91 | vacc${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}); |
| 92 | $else: |
| 93 | $for N in range(0, NR, 4): |
| 94 | $for M in range(MR): |
| 95 | vacc${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}); |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 96 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 97 | } |
| 98 | if XNN_UNLIKELY(k != 0) { |
| 99 | $for M in range(MR): |
| 100 | const float32x4_t va${M} = vld1q_dup_f32(a${M}); |
| 101 | |
| 102 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 103 | const float32x4_t vb${ABC[N:N+4]} = vld1q_f32(w); w += 4; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 104 | |
| 105 | $for N in range(0, NR, 4): |
| 106 | $for M in range(MR): |
Frank Barchard | 91317c5 | 2019-11-22 10:54:35 -0800 | [diff] [blame] | 107 | vacc${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] | 108 | } |
| 109 | p -= ${MR} * sizeof(void*); |
| 110 | } while (p != 0); |
| 111 | |
Frank Barchard | fcfdc0e | 2019-10-21 15:58:42 -0700 | [diff] [blame] | 112 | const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 113 | $for N in range(0, NR, 4): |
| 114 | $for M in range(MR): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 115 | vacc${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] | 116 | |
Frank Barchard | fcfdc0e | 2019-10-21 15:58:42 -0700 | [diff] [blame] | 117 | const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 118 | $for N in range(0, NR, 4): |
| 119 | $for M in range(MR): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 120 | vacc${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] | 121 | |
| 122 | if XNN_LIKELY(nc >= ${NR}) { |
| 123 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 124 | vst1q_f32(c${M}, vacc${M}x${ABC[0:4]}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 125 | $for N in range(4, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 126 | vst1q_f32(c${M} + ${N}, vacc${M}x${ABC[N:N+4]}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 127 | c${M} = (float*) ((uintptr_t) c${M} + cn_stride); |
| 128 | |
| 129 | a = (const float**restrict) ((uintptr_t) a - ks); |
| 130 | nc -= ${NR}; |
| 131 | } else { |
| 132 | $for LOG2N in reversed(range(NR.bit_length())): |
| 133 | $if LOG2N == 1: |
| 134 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 135 | float32x2_t vacc${M}x${ABC[0:2]} = vget_low_f32(vacc${M}x${ABC[0:4]}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 136 | $if 1 << LOG2N != NR: |
| 137 | if (nc & ${1 << LOG2N}) { |
| 138 | $if LOG2N >= 2: |
| 139 | $for N in range(0, 1 << LOG2N, 4): |
| 140 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 141 | vst1q_f32(c${M}, vacc${M}x${ABC[N:N+4]}); c${M} += 4; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 142 | |
| 143 | $for M in reversed(range(MR)): |
| 144 | $for N in range(0, 1 << (LOG2N - 1), 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 145 | vacc${M}x${ABC[N:N+4]} = vacc${M}x${ABC[N + (1 << LOG2N):N + (1 << LOG2N)+4]}; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 146 | $elif LOG2N == 1: |
| 147 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 148 | vst1_f32(c${M}, vacc${M}x${ABC[0:2]}); c${M} += 2; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 149 | |
| 150 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 151 | vacc${M}x${ABC[0:2]} = vget_high_f32(vacc${M}x${ABC[0:4]}); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 152 | $elif LOG2N == 0: |
| 153 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 154 | vst1_lane_f32(c${M}, vacc${M}x${ABC[0:2]}, 0); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | nc = 0; |
| 158 | } |
| 159 | } while (nc != 0); |
| 160 | } |