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// Auto-generated file. Do not edit!
// Template: src/f32-dwconv2d-chw/3x3p1-scalar.c.in
// Generator: tools/xngen
//
// 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.
#include <assert.h>
#include <xnnpack/dwconv.h>
#include <xnnpack/math.h>
void xnn_f32_dwconv2d_chw_ukernel_3x3p1__scalar_3x1(
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 == 1);
const float vmin = params->scalar.min;
const float vmax = params->scalar.max;
const float vbias = weights[0];
const float vk00 = weights[1];
const float vk01 = weights[2];
const float vk02 = weights[3];
const float vk10 = weights[4];
const float vk11 = weights[5];
const float vk12 = weights[6];
const float vk20 = weights[7];
const float vk21 = weights[8];
const float vk22 = weights[9];
const float* i0 = zero;
const float* i1 = input;
const float* i2 = (const float*) ((uintptr_t) i1 + input_width);
const float* i3 = (const float*) ((uintptr_t) i2 + input_width);
const float* i4 = (const float*) ((uintptr_t) i3 + input_width);
float* o0 = output;
float* o1 = (float*) ((uintptr_t) o0 + input_width);
float* o2 = (float*) ((uintptr_t) o1 + input_width);
size_t output_height = input_height;
do {
if XNN_UNPREDICTABLE(output_height < 2) {
i2 = zero;
o1 = o0;
}
if XNN_UNPREDICTABLE(output_height < 3) {
i3 = zero;
o2 = o1;
}
if XNN_UNPREDICTABLE(output_height < 4) {
i4 = zero;
}
float vi0x0 = 0.0f;
float vi1x0 = 0.0f;
float vi2x0 = 0.0f;
float vi3x0 = 0.0f;
float vi4x0 = 0.0f;
float vi0x1 = *i0++;
float vi1x1 = *i1++;
float vi2x1 = *i2++;
float vi3x1 = *i3++;
float vi4x1 = *i4++;
size_t w = input_width;
for (; w > 1 * sizeof(float); w -= 1 * sizeof(float)) {
const float vi0x2 = *i0++;
const float vi1x2 = *i1++;
const float vi2x2 = *i2++;
const float vi3x2 = *i3++;
const float vi4x2 = *i4++;
float vo0p0 = vbias + vi0x0 * vk00;
float vo1p0 = vbias + vi1x0 * vk00;
float vo2p0 = vbias + vi2x0 * vk00;
vo0p0 += vi1x0 * vk10;
vo1p0 += vi2x0 * vk10;
vo2p0 += vi3x0 * vk10;
vo0p0 += vi2x0 * vk20;
vo1p0 += vi3x0 * vk20;
vo2p0 += vi4x0 * vk20;
vi0x0 = vi0x1;
vi1x0 = vi1x1;
vi2x0 = vi2x1;
vi3x0 = vi3x1;
vi4x0 = vi4x1;
vo0p0 += vi0x1 * vk01;
vo1p0 += vi1x1 * vk01;
vo2p0 += vi2x1 * vk01;
vo0p0 += vi1x1 * vk11;
vo1p0 += vi2x1 * vk11;
vo2p0 += vi3x1 * vk11;
vo0p0 += vi2x1 * vk21;
vo1p0 += vi3x1 * vk21;
vo2p0 += vi4x1 * vk21;
vi0x1 = vi0x2;
vi1x1 = vi1x2;
vi2x1 = vi2x2;
vi3x1 = vi3x2;
vi4x1 = vi4x2;
vo0p0 += vi0x2 * vk02;
vo1p0 += vi1x2 * vk02;
vo2p0 += vi2x2 * vk02;
vo0p0 += vi1x2 * vk12;
vo1p0 += vi2x2 * vk12;
vo2p0 += vi3x2 * vk12;
vo0p0 += vi2x2 * vk22;
vo1p0 += vi3x2 * vk22;
vo2p0 += vi4x2 * vk22;
float vo0 = math_max_f32(vo0p0, vmin);
float vo1 = math_max_f32(vo1p0, vmin);
float vo2 = math_max_f32(vo2p0, vmin);
vo0 = math_min_f32(vo0, vmax);
vo1 = math_min_f32(vo1, vmax);
vo2 = math_min_f32(vo2, vmax);
*o2++ = vo2;
*o1++ = vo1;
*o0++ = vo0;
}
// Always process the last pixel separately to account for right edge.
assert(w == 1 * sizeof(float));
{
float vo0p0 = vbias + vi0x0 * vk00;
float vo1p0 = vbias + vi1x0 * vk00;
float vo2p0 = vbias + vi2x0 * vk00;
vo0p0 += vi1x0 * vk10;
vo1p0 += vi2x0 * vk10;
vo2p0 += vi3x0 * vk10;
vo0p0 += vi2x0 * vk20;
vo1p0 += vi3x0 * vk20;
vo2p0 += vi4x0 * vk20;
vo0p0 += vi0x1 * vk01;
vo1p0 += vi1x1 * vk01;
vo2p0 += vi2x1 * vk01;
vo0p0 += vi1x1 * vk11;
vo1p0 += vi2x1 * vk11;
vo2p0 += vi3x1 * vk11;
vo0p0 += vi2x1 * vk21;
vo1p0 += vi3x1 * vk21;
vo2p0 += vi4x1 * vk21;
float vo0 = math_max_f32(vo0p0, vmin);
float vo1 = math_max_f32(vo1p0, vmin);
float vo2 = math_max_f32(vo2p0, vmin);
vo0 = math_min_f32(vo0, vmax);
vo1 = math_min_f32(vo1, vmax);
vo2 = math_min_f32(vo2, vmax);
*o2++ = vo2;
*o1++ = vo1;
*o0++ = vo0;
}
i0 = (const float*) ((uintptr_t) i3 - input_width);
i1 = (const float*) ((uintptr_t) i4 - input_width);
i2 = (const float*) ((uintptr_t) i1 + input_width);
i3 = (const float*) ((uintptr_t) i2 + input_width);
i4 = (const float*) ((uintptr_t) i3 + input_width);
o0 = o2;
o1 = (float*) ((uintptr_t) o0 + input_width);
o2 = (float*) ((uintptr_t) o1 + input_width);
output_height = doz(output_height, 3);
} while (output_height != 0);
}
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