Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [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 | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 8 | $VMULADDQ_F32 = "vfmaq_f32" if FMA else "vmlaq_f32" |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 9 | |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 10 | #include <assert.h> |
| 11 | |
| 12 | #include <arm_neon.h> |
| 13 | |
| 14 | #include <xnnpack/gemm.h> |
| 15 | |
| 16 | |
| 17 | void xnn_f32_gemm${"inc" if INC else ""}_ukernel_${MR}x${NR}s4__${"neonfma" if FMA else "neon"}( |
| 18 | size_t mr, |
| 19 | size_t nc, |
| 20 | size_t kc, |
| 21 | const float* restrict a, |
| 22 | size_t a_stride, |
| 23 | const float* restrict w, |
| 24 | float* restrict c, |
| 25 | size_t cm_stride, |
| 26 | size_t cn_stride, |
| 27 | $if INC: |
| 28 | const float*restrict acc, |
| 29 | const union xnn_f32_output_params params[restrict static 1]) |
| 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 | $if INC: |
| 40 | assert(acc != NULL); |
| 41 | |
| 42 | const float* a0 = a; |
| 43 | float* c0 = c; |
| 44 | $for M in range(1, MR): |
| 45 | const float* a${M} = (const float*) ((uintptr_t) a${M-1} + a_stride); |
| 46 | float* c${M} = (float*) ((uintptr_t) c${M-1} + cm_stride); |
| 47 | $if M % 2 == 0: |
| 48 | if XNN_UNPREDICTABLE(mr <= ${M}) { |
| 49 | a${M} = a${M-1}; |
| 50 | c${M} = c${M-1}; |
| 51 | } |
| 52 | $elif M + 1 == MR: |
| 53 | if XNN_UNPREDICTABLE(mr != ${M+1}) { |
| 54 | a${M} = a${M-1}; |
| 55 | c${M} = c${M-1}; |
| 56 | } |
| 57 | $else: |
| 58 | if XNN_UNPREDICTABLE(mr < ${M+1}) { |
| 59 | a${M} = a${M-1}; |
| 60 | c${M} = c${M-1}; |
| 61 | } |
| 62 | |
| 63 | do { |
| 64 | $if INC: |
| 65 | $for M in range(MR): |
| 66 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 67 | float32x4_t vacc${M}x${ABC[N:N+4]} = vld1q_f32(acc); acc += 4; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 68 | $else: |
| 69 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 70 | float32x4_t vacc0x${ABC[N:N+4]} = vld1q_f32(w); w += 4; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 71 | $for M in range(1, MR): |
| 72 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 73 | float32x4_t vacc${M}x${ABC[N:N+4]} = vacc0x${ABC[N:N+4]}; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 74 | |
| 75 | size_t k = kc; |
| 76 | while (k >= 4 * sizeof(float)) { |
| 77 | $for M in range(MR): |
| 78 | float32x4_t va${M} = vld1q_f32(a${M}); a${M} += 4; |
| 79 | |
| 80 | $for L in range(4): |
| 81 | |
| 82 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 83 | const float32x4_t vb${ABC[N:N+4]}c${L} = vld1q_f32(w + ${L * NR + N}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 84 | |
| 85 | $for N in range(0, NR, 4): |
| 86 | $for M in range(MR): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 87 | vacc${M}x${ABC[N:N+4]} = ${VMULADDQ_F32}(vacc${M}x${ABC[N:N+4]}, va${M}, vb${ABC[N:N+4]}c${L}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 88 | |
| 89 | $if L + 1 != 4: |
| 90 | $for M in range(MR): |
| 91 | va${M} = vextq_f32(va${M}, va${M}, 1); |
| 92 | |
| 93 | w += ${4 * NR}; |
| 94 | k -= 4 * sizeof(float); |
| 95 | } |
| 96 | if XNN_UNLIKELY(k != 0) { |
| 97 | do { |
| 98 | $for M in range(MR): |
| 99 | const float32x4_t va${M} = vld1q_dup_f32(a${M}); a${M} += 1; |
| 100 | |
| 101 | $for N in range(0, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 102 | const float32x4_t vb${ABC[N:N+4]} = vld1q_f32(w); w += 4; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 103 | |
| 104 | $for N in range(0, NR, 4): |
| 105 | $for M in range(MR): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 106 | vacc${M}x${ABC[N:N+4]} = ${VMULADDQ_F32}(vacc${M}x${ABC[N:N+4]}, va${M}, vb${ABC[N:N+4]}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 107 | |
| 108 | k -= sizeof(float); |
| 109 | } while (k != 0); |
| 110 | } |
| 111 | const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max); |
| 112 | $for N in range(0, NR, 4): |
| 113 | $for M in range(MR): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 114 | vacc${M}x${ABC[N:N+4]} = vminq_f32(vacc${M}x${ABC[N:N+4]}, vmax); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 115 | |
| 116 | const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min); |
| 117 | $for N in range(0, NR, 4): |
| 118 | $for M in range(MR): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 119 | vacc${M}x${ABC[N:N+4]} = vmaxq_f32(vacc${M}x${ABC[N:N+4]}, vmin); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 120 | |
| 121 | if XNN_LIKELY(nc >= ${NR}) { |
| 122 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 123 | vst1q_f32(c${M}, vacc${M}x${ABC[0:4]}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 124 | $for N in range(4, NR, 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 125 | vst1q_f32(c${M} + ${N}, vacc${M}x${ABC[N:N+4]}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 126 | c${M} = (float*) ((uintptr_t) c${M} + cn_stride); |
| 127 | |
| 128 | $for M in reversed(range(MR)): |
| 129 | a${M} = (const float*) ((uintptr_t) a${M} - kc); |
| 130 | |
| 131 | nc -= ${NR}; |
| 132 | |
| 133 | } else { |
| 134 | $for LOG2N in reversed(range(NR.bit_length())): |
| 135 | $if NR != 1 << LOG2N: |
| 136 | if (nc & ${1 << LOG2N}) { |
| 137 | $if LOG2N >= 2: |
| 138 | $for N in range(0, 1 << LOG2N, 4): |
| 139 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 140 | vst1q_f32(c${M}, vacc${M}x${ABC[N:N+4]}); c${M} += 4; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 141 | |
| 142 | $for M in reversed(range(MR)): |
| 143 | $for N in range(0, 1 << (LOG2N - 1), 4): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 144 | vacc${M}x${ABC[N:N+4]} = vacc${M}x${ABC[N + (1 << LOG2N):N + (1 << LOG2N)+4]}; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 145 | $elif LOG2N == 1: |
| 146 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 147 | vst1_f32(c${M}, vacc${M}x${ABC[0:2]}); c${M} += 2; |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 148 | |
| 149 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 150 | vacc${M}x${ABC[0:2]} = vget_high_f32(vacc${M}x${ABC[0:4]}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 151 | $elif LOG2N == 0: |
| 152 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 153 | vst1_lane_f32(c${M}, vacc${M}x${ABC[0:2]}, 0); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 154 | } |
| 155 | $if LOG2N == 2: |
| 156 | $for M in reversed(range(MR)): |
Frank Barchard | 5480997 | 2019-11-21 11:04:09 -0800 | [diff] [blame] | 157 | float32x2_t vacc${M}x${ABC[0:2]} = vget_low_f32(vacc${M}x${ABC[0:4]}); |
Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 158 | |
| 159 | nc = 0; |
| 160 | } |
| 161 | } while (nc != 0); |
| 162 | } |