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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
$assert ACCUMULATORS >= 1
#include <assert.h>
#include <xnnpack/dwconv.h>
#include <xnnpack/math.h>
void xnn_f32_dwconv2d_chw_ukernel_5x5p2__scalar_${ROW_TILE}x1${"_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)])
{
assert(input_height != 0);
assert(input_width != 0);
assert(input_width % sizeof(float) == 0);
assert(padding_top == 2);
const float vmin = params->scalar.min;
const float vmax = params->scalar.max;
const float vbias = weights[0];
$for R in range(5):
$for S in range(5):
const float vk${R}${S} = weights[${R*5+S+1}];
const float* i0 = zero;
const float* i1 = zero;
const float* i2 = input;
$for M in range(3, 4 + ROW_TILE):
const float* i${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, 3 + ROW_TILE):
if XNN_UNPREDICTABLE(output_height < ${M}) {
i${M+1} = zero;
$if M <= ROW_TILE:
o${M-1} = o${M-2};
}
$for M in range(4 + ROW_TILE):
float vi${M}x0 = 0.0f;
$for M in range(4 + ROW_TILE):
float vi${M}x1 = 0.0f;
$for M in range(4 + ROW_TILE):
float vi${M}x2 = *i${M}++;
size_t w = input_width;
if (w > 1 * sizeof(float)) {
$for M in range(4 + ROW_TILE):
float vi${M}x3 = *i${M}++;
for (; w > 2 * sizeof(float); w -= 1 * sizeof(float)) {
$for M in range(4 + ROW_TILE):
const float vi${M}x4 = *i${M}++;
$for K in range(5):
$for M in range(ROW_TILE):
$if K == 0:
float vo${M}p0 = vbias + vi${M+K}x0 * vk${K}0;
$elif K < ACCUMULATORS:
float vo${M}p${K} = vi${M+K}x0 * vk${K}0;
$else:
vo${M}p${K % ACCUMULATORS} += vi${M+K}x0 * vk${K}0;
$for M in range(4 + ROW_TILE):
vi${M}x0 = vi${M}x1;
$for K in range(5):
$for M in range(ROW_TILE):
$if K+5 < ACCUMULATORS:
float vo${M}p${K+5} = vi${M+K}x1 * vk${K}1;
$else:
vo${M}p${(K+5) % ACCUMULATORS} += vi${M+K}x1 * vk${K}1;
$for M in range(4 + ROW_TILE):
vi${M}x1 = vi${M}x2;
$for K in range(5):
$for M in range(ROW_TILE):
vo${M}p${(K+10) % ACCUMULATORS} += vi${M+K}x2 * vk${K}2;
$for M in range(4 + ROW_TILE):
vi${M}x2 = vi${M}x3;
$for K in range(5):
$for M in range(ROW_TILE):
vo${M}p${(K+15) % ACCUMULATORS} += vi${M+K}x3 * vk${K}3;
$for M in range(4 + ROW_TILE):
vi${M}x3 = vi${M}x4;
$for K in range(5):
$for M in range(ROW_TILE):
vo${M}p${(K+20) % ACCUMULATORS} += vi${M+K}x4 * vk${K}4;
$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${A} += vo${M}p${A + ACC_SLICE};
$ACC_SLICE *= 2
$for M in range(ROW_TILE):
float vo${M} = math_max_f32(vo${M}p0, vmin);
$for M in range(ROW_TILE):
vo${M} = math_min_f32(vo${M}, vmax);
$for M in reversed(range(ROW_TILE)):
*o${M}++ = vo${M};
}
assert(w == 2 * sizeof(float));
{
$for K in range(5):
$for M in range(ROW_TILE):
$if K == 0:
float vo${M}p0 = vbias + vi${M+K}x0 * vk${K}0;
$elif K < ACCUMULATORS:
float vo${M}p${K} = vi${M+K}x0 * vk${K}0;
$else:
vo${M}p${K % ACCUMULATORS} += vi${M+K}x0 * vk${K}0;
$for M in range(4 + ROW_TILE):
vi${M}x0 = vi${M}x1;
$for K in range(5):
$for M in range(ROW_TILE):
$if K+5 < ACCUMULATORS:
float vo${M}p${K+5} = vi${M+K}x1 * vk${K}1;
$else:
vo${M}p${(K+5) % ACCUMULATORS} += vi${M+K}x1 * vk${K}1;
$for M in range(4 + ROW_TILE):
vi${M}x1 = vi${M}x2;
$for K in range(5):
$for M in range(ROW_TILE):
vo${M}p${(K+10) % ACCUMULATORS} += vi${M+K}x2 * vk${K}2;
$for M in range(4 + ROW_TILE):
vi${M}x2 = vi${M}x3;
$for K in range(5):
$for M in range(ROW_TILE):
vo${M}p${(K+15) % ACCUMULATORS} += vi${M+K}x3 * vk${K}3;
$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${A} += vo${M}p${A + ACC_SLICE};
$ACC_SLICE *= 2
$for M in range(ROW_TILE):
float vo${M} = math_max_f32(vo${M}p0, vmin);
$for M in range(ROW_TILE):
vo${M} = math_min_f32(vo${M}, vmax);
$for M in reversed(range(ROW_TILE)):
*o${M}++ = vo${M};
}
w -= 1 * sizeof(float);
}
assert(w == 1 * sizeof(float));
{
$for K in range(5):
$for M in range(ROW_TILE):
$if K == 0:
float vo${M}p0 = vbias + vi${M+K}x0 * vk${K}0;
$elif K < ACCUMULATORS:
float vo${M}p${K} = vi${M+K}x0 * vk${K}0;
$else:
vo${M}p${K % ACCUMULATORS} += vi${M+K}x0 * vk${K}0;
$for K in range(5):
$for M in range(ROW_TILE):
$if K+5 < ACCUMULATORS:
float vo${M}p${K+5} = vi${M+K}x1 * vk${K}1;
$else:
vo${M}p${(K+5) % ACCUMULATORS} += vi${M+K}x1 * vk${K}1;
$for K in range(5):
$for M in range(ROW_TILE):
vo${M}p${(K+10) % ACCUMULATORS} += vi${M+K}x2 * 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${A} += vo${M}p${A + ACC_SLICE};
$ACC_SLICE *= 2
$for M in range(ROW_TILE):
float vo${M} = math_max_f32(vo${M}p0, vmin);
$for M in range(ROW_TILE):
vo${M} = math_min_f32(vo${M}, vmax);
$for M in reversed(range(ROW_TILE)):
*o${M}++ = vo${M};
}
i0 = (const float*) ((uintptr_t) i${ROW_TILE} - input_width);
i1 = (const float*) ((uintptr_t) i${ROW_TILE+1} - input_width);
$if ROW_TILE > 1:
i2 = i${ROW_TILE+1};
i3 = i${ROW_TILE+2};
i4 = i${ROW_TILE+3};
$for M in range(5, 4 + ROW_TILE):
i${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);
}
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