test / src /f32-dwconv2d-chw /3x3p1-wasmsimd-loadsplat.c.in
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// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
$assert ROW_TILE >= 1
$assert ACCUMULATORS >= 1
#include <assert.h>
#include <wasm_simd128.h>
#include <xnnpack/dwconv.h>
#include <xnnpack/math.h>
$ARCH_SUFFIX = "_x86" if X86 else "_arm"
void xnn_f32_dwconv2d_chw_ukernel_3x3p1__wasmsimd${ARCH_SUFFIX}_loadsplat_${ROW_TILE}x4${"_acc%d" % ACCUMULATORS if ACCUMULATORS > 1 else ""}(
size_t input_height,
size_t input_width,
const float* input,
const float* weights,
const float* zero,
float* output,
uint32_t padding_top,
const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(input_height != 0);
assert(input_width != 0);
assert(input_width % sizeof(float) == 0);
assert(padding_top == 1);
const v128_t vmask = wasm_v128_load(params->wasmsimd_stride1.mask);
const v128_t vmax = wasm_v128_load64_splat(params->wasmsimd_stride1.max);
const v128_t vmin = wasm_v128_load64_splat(params->wasmsimd_stride1.min);
const v128_t vw0123 = wasm_v128_load(weights);
const v128_t vw4567 = wasm_v128_load(weights + 4);
const v128_t vw89 = wasm_v128_load64_splat(weights + 8);
const v128_t vbias = wasm_v32x4_shuffle(vw0123, vw0123, 0, 0, 0, 0);
const v128_t vk00 = wasm_v32x4_shuffle(vw0123, vw0123, 1, 1, 1, 1);
const v128_t vk01 = wasm_v32x4_shuffle(vw0123, vw0123, 2, 2, 2, 2);
const v128_t vk02 = wasm_v32x4_shuffle(vw0123, vw0123, 3, 3, 3, 3);
const v128_t vk10 = wasm_v32x4_shuffle(vw4567, vw4567, 0, 0, 0, 0);
const v128_t vk11 = wasm_v32x4_shuffle(vw4567, vw4567, 1, 1, 1, 1);
const v128_t vk12 = wasm_v32x4_shuffle(vw4567, vw4567, 2, 2, 2, 2);
const v128_t vk20 = wasm_v32x4_shuffle(vw4567, vw4567, 3, 3, 3, 3);
const v128_t vk21 = wasm_v32x4_shuffle(vw89, vw89, 0, 0, 0, 0);
const v128_t vk22 = wasm_v32x4_shuffle(vw89, vw89, 1, 1, 1, 1);
const size_t input_decrement = round_up_po2(input_width, 4 * sizeof(float));
const float* i0 = zero;
const float* i1 = input;
$for M in range(2, 2 + ROW_TILE):
const float* i${M} = (const float*) ((uintptr_t) i${M-1} + input_width);
float* o0 = output;
$for M in range(1, ROW_TILE):
float* o${M} = (float*) ((uintptr_t) o${M-1} + input_width);
size_t output_height = input_height;
do {
$for M in range(2, 2 + ROW_TILE):
if XNN_UNPREDICTABLE(output_height < ${M}) {
i${M} = zero;
$if M <= ROW_TILE:
o${M-1} = o${M-2};
}
$for M in range(2 + ROW_TILE):
v128_t vi${M}x0123 = wasm_f32x4_const_splat(0.0f);
$for M in range(2 + ROW_TILE):
v128_t vi${M}x4567 = wasm_v128_load(i${M});
i${M} += 4;
size_t w = input_width;
for (; w > 4 * sizeof(float); w -= 4 * sizeof(float)) {
$for M in range(2 + ROW_TILE):
const v128_t vi${M}x89AB = wasm_v128_load(i${M});
i${M} += 4;
$for K in range(3):
$for M in range(ROW_TILE):
$if K == 0:
v128_t vo${M}p0 = wasm_f32x4_add(vbias, wasm_f32x4_mul(vi${M+K}x4567, vk${K}1));
$elif K < ACCUMULATORS:
v128_t vo${M}p${K} = wasm_f32x4_mul(vi${M+K}x4567, vk${K}1);
$else:
vo${M}p${K % ACCUMULATORS} = wasm_f32x4_add(vo${M}p${K % ACCUMULATORS}, wasm_f32x4_mul(vi${M+K}x4567, vk${K}1));
$for M in range(2 + ROW_TILE):
const v128_t vi${M}x3456 = wasm_v32x4_shuffle(vi${M}x0123, vi${M}x4567, 3, 4, 5, 6);
$for K in range(3):
$for M in range(ROW_TILE):
$if K+3 < ACCUMULATORS:
v128_t vo${M}p${K+3} = wasm_f32x4_mul(vi${M+K}x3456, vk${K}0);
$else:
vo${M}p${(K+3) % ACCUMULATORS} = wasm_f32x4_add(vo${M}p${(K+3) % ACCUMULATORS}, wasm_f32x4_mul(vi${M+K}x3456, vk${K}0));
$for M in range(2 + ROW_TILE):
vi${M}x0123 = vi${M}x4567;
$for M in range(2 + ROW_TILE):
const v128_t vi${M}x5678 = wasm_v32x4_shuffle(vi${M}x4567, vi${M}x89AB, 1, 2, 3, 4);
$for K in range(3):
$for M in range(ROW_TILE):
vo${M}p${(K+6) % ACCUMULATORS} = wasm_f32x4_add(vo${M}p${(K+6) % ACCUMULATORS}, wasm_f32x4_mul(vi${M+K}x5678, vk${K}2));
$for M in range(2 + ROW_TILE):
vi${M}x4567 = vi${M}x89AB;
$if ACCUMULATORS > 1:
$ACC_SLICE = 1
$while ACC_SLICE < ACCUMULATORS:
$for A in range(0, ACCUMULATORS, ACC_SLICE * 2):
$if A + ACC_SLICE < ACCUMULATORS:
$for M in range(ROW_TILE):
vo${M}p${A} = wasm_f32x4_add(vo${M}p${A}, vo${M}p${A + ACC_SLICE});
$ACC_SLICE *= 2
$if X86:
$for M in range(ROW_TILE):
v128_t vo${M} = wasm_f32x4_pmax(vmin, vo${M}p0);
$for M in range(ROW_TILE):
vo${M} = wasm_f32x4_pmin(vmax, vo${M});
$else:
$for M in range(ROW_TILE):
v128_t vo${M} = wasm_f32x4_max(vo${M}p0, vmin);
$for M in range(ROW_TILE):
vo${M} = wasm_f32x4_min(vo${M}, vmax);
$for M in reversed(range(ROW_TILE)):
wasm_v128_store(o${M}, vo${M});
o${M} += 4;
}
// Always process the last block of 1..4 pixels.
assert(w >= 1 * sizeof(float));
assert(w <= 4 * sizeof(float));
{
$for M in range(2 + ROW_TILE):
vi${M}x4567 = wasm_v128_and(vmask, vi${M}x4567);
$for K in range(3):
$for M in range(ROW_TILE):
$if K == 0:
v128_t vo${M}p0 = wasm_f32x4_add(vbias, wasm_f32x4_mul(vi${M+K}x4567, vk${K}1));
$elif K < ACCUMULATORS:
v128_t vo${M}p${K} = wasm_f32x4_mul(vi${M+K}x4567, vk${K}1);
$else:
vo${M}p${K % ACCUMULATORS} = wasm_f32x4_add(vo${M}p${K % ACCUMULATORS}, wasm_f32x4_mul(vi${M+K}x4567, vk${K}1));
$for M in range(2 + ROW_TILE):
const v128_t vi${M}x3456 = wasm_v32x4_shuffle(vi${M}x0123, vi${M}x4567, 3, 4, 5, 6);
$for K in range(3):
$for M in range(ROW_TILE):
$if K+3 < ACCUMULATORS:
v128_t vo${M}p${K+3} = wasm_f32x4_mul(vi${M+K}x3456, vk${K}0);
$else:
vo${M}p${(K+3) % ACCUMULATORS} = wasm_f32x4_add(vo${M}p${(K+3) % ACCUMULATORS}, wasm_f32x4_mul(vi${M+K}x3456, vk${K}0));
const v128_t vzero = wasm_f32x4_const_splat(0.0f);
$for M in range(2 + ROW_TILE):
const v128_t vi${M}x5678 = wasm_v32x4_shuffle(vi${M}x4567, vzero, 1, 2, 3, 4);
$for K in range(3):
$for M in range(ROW_TILE):
vo${M}p${(K+6) % ACCUMULATORS} = wasm_f32x4_add(vo${M}p${(K+6) % ACCUMULATORS}, wasm_f32x4_mul(vi${M+K}x5678, vk${K}2));
$if ACCUMULATORS > 1:
$ACC_SLICE = 1
$while ACC_SLICE < ACCUMULATORS:
$for A in range(0, ACCUMULATORS, ACC_SLICE * 2):
$if A + ACC_SLICE < ACCUMULATORS:
$for M in range(ROW_TILE):
vo${M}p${A} = wasm_f32x4_add(vo${M}p${A}, vo${M}p${A + ACC_SLICE});
$ACC_SLICE *= 2
$if X86:
$for M in range(ROW_TILE):
v128_t vo${M} = wasm_f32x4_pmax(vmin, vo${M}p0);
$for M in range(ROW_TILE):
vo${M} = wasm_f32x4_pmin(vmax, vo${M});
$else:
$for M in range(ROW_TILE):
v128_t vo${M} = wasm_f32x4_max(vo${M}p0, vmin);
$for M in range(ROW_TILE):
vo${M} = wasm_f32x4_min(vo${M}, vmax);
if XNN_LIKELY(w == 4 * sizeof(float)) {
$for M in reversed(range(ROW_TILE)):
wasm_v128_store(o${M}, vo${M});
o${M} += 4;
} else {
if (w & (2 * sizeof(float))) {
$for M in reversed(range(ROW_TILE)):
wasm_v128_store64_lane(o${M}, vo${M}, 0);
o${M} += 2;
$for M in range(ROW_TILE):
vo${M} = wasm_v64x2_shuffle(vo${M}, vo${M}, 1, 1);
}
if (w & (1 * sizeof(float))) {
$for M in reversed(range(ROW_TILE)):
wasm_v128_store32_lane(o${M}, vo${M}, 0);
o${M} += 1;
}
}
}
i0 = (const float*) ((uintptr_t) i${ROW_TILE} - input_decrement);
i1 = (const float*) ((uintptr_t) i${ROW_TILE+1} - input_decrement);
$for M in range(2, 2 + ROW_TILE):
i${M} = (const float*) ((uintptr_t) i${M-1} + input_width);
$if ROW_TILE > 1:
o0 = o${ROW_TILE - 1};
$for M in range(1, ROW_TILE):
o${M} = (float*) ((uintptr_t) o${M-1} + input_width);
$if ROW_TILE > 1:
output_height = doz(output_height, ${ROW_TILE});
} while (${"--" if ROW_TILE == 1 else ""}output_height != 0);
}