Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -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 BATCH_TILE % 8 == 0 |
| 7 | $assert BATCH_TILE >= 8 |
| 8 | $ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
| 9 | #include <assert.h> |
| 10 | |
| 11 | #include <immintrin.h> |
| 12 | |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 13 | #include <xnnpack/common.h> |
Marat Dukhan | 60d3f24 | 2021-05-13 11:59:02 -0700 | [diff] [blame] | 14 | #include <xnnpack/vunary.h> |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 15 | |
| 16 | |
Marat Dukhan | 6674d69 | 2021-05-05 22:27:00 -0700 | [diff] [blame] | 17 | void xnn_f32_vclamp_ukernel__avx_x${BATCH_TILE}( |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 18 | size_t n, |
| 19 | const float* x, |
| 20 | float* y, |
Marat Dukhan | f196d01 | 2020-04-15 11:50:03 -0700 | [diff] [blame] | 21 | const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 22 | { |
| 23 | assert(n != 0); |
| 24 | assert(n % sizeof(float) == 0); |
Frank Barchard | 04d6cf1 | 2020-07-15 16:17:51 -0700 | [diff] [blame] | 25 | assert(x != NULL); |
| 26 | assert(y != NULL); |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 27 | |
Marat Dukhan | 9491279 | 2021-08-16 21:40:30 -0700 | [diff] [blame] | 28 | const __m256 vy_min = _mm256_load_ps(params->avx.min); |
| 29 | const __m256 vy_max = _mm256_load_ps(params->avx.max); |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 30 | |
| 31 | for (; n >= ${BATCH_TILE} * sizeof(float); n -= ${BATCH_TILE} * sizeof(float)) { |
| 32 | __m256 vacc${ABC[0:8]} = _mm256_loadu_ps(x); |
| 33 | $for N in range(8, BATCH_TILE, 8): |
| 34 | __m256 vacc${ABC[N:N+8]} = _mm256_loadu_ps(x + ${N}); |
| 35 | x += ${BATCH_TILE}; |
| 36 | |
| 37 | $for N in range(0, BATCH_TILE, 8): |
| 38 | vacc${ABC[N:N+8]} = _mm256_max_ps(vacc${ABC[N:N+8]}, vy_min); |
| 39 | |
| 40 | $for N in range(0, BATCH_TILE, 8): |
| 41 | vacc${ABC[N:N+8]} = _mm256_min_ps(vacc${ABC[N:N+8]}, vy_max); |
| 42 | |
| 43 | _mm256_storeu_ps(y, vacc${ABC[0:8]}); |
| 44 | $for N in range(8, BATCH_TILE, 8): |
| 45 | _mm256_storeu_ps(y + ${N}, vacc${ABC[N:N+8]}); |
| 46 | y += ${BATCH_TILE}; |
| 47 | } |
Frank Barchard | e8466f4 | 2020-06-08 17:05:01 -0700 | [diff] [blame] | 48 | $if BATCH_TILE > 8: |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 49 | for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) { |
| 50 | __m256 vacc = _mm256_loadu_ps(x); |
| 51 | x += 8; |
| 52 | |
| 53 | vacc = _mm256_max_ps(vacc, vy_min); |
| 54 | vacc = _mm256_min_ps(vacc, vy_max); |
| 55 | |
| 56 | _mm256_storeu_ps(y, vacc); |
| 57 | y += 8; |
| 58 | } |
| 59 | if XNN_UNLIKELY(n != 0) { |
| 60 | assert(n >= 1 * sizeof(float)); |
| 61 | assert(n <= 7 * sizeof(float)); |
Marat Dukhan | d57a5ad | 2022-01-03 22:01:16 -0800 | [diff] [blame] | 62 | const __m256i vmask = _mm256_loadu_si256((const __m256i*) ((uintptr_t) ¶ms->avx.mask_table[7] - n)); |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 63 | |
| 64 | __m256 vacc = _mm256_maskload_ps(x, vmask); |
| 65 | vacc = _mm256_max_ps(vacc, vy_min); |
| 66 | vacc = _mm256_min_ps(vacc, vy_max); |
| 67 | |
Marat Dukhan | 5c5fa96 | 2020-03-10 18:38:33 -0700 | [diff] [blame] | 68 | __m128 vacc_lo = _mm256_castps256_ps128(vacc); |
| 69 | if (n & (4 * sizeof(float))) { |
| 70 | _mm_storeu_ps(y, vacc_lo); |
| 71 | vacc_lo = _mm256_extractf128_ps(vacc, 1); |
| 72 | y += 4; |
| 73 | } |
| 74 | if (n & (2 * sizeof(float))) { |
| 75 | _mm_storel_pi((__m64*) y, vacc_lo); |
| 76 | vacc_lo = _mm_movehl_ps(vacc_lo, vacc_lo); |
| 77 | y += 2; |
| 78 | } |
| 79 | if (n & (1 * sizeof(float))) { |
| 80 | _mm_store_ss(y, vacc_lo); |
| 81 | } |
| 82 | } |
| 83 | } |