| // 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_1x1_acc3( |
| 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); |
| |
| float* o0 = output; |
| |
| size_t output_height = input_height; |
| do { |
| if XNN_UNPREDICTABLE(output_height < 2) { |
| i2 = zero; |
| } |
| |
| float vi0x0 = 0.0f; |
| float vi1x0 = 0.0f; |
| float vi2x0 = 0.0f; |
| |
| float vi0x1 = *i0++; |
| float vi1x1 = *i1++; |
| float vi2x1 = *i2++; |
| |
| 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++; |
| |
| float vo0p0 = vbias + vi0x0 * vk00; |
| float vo0p1 = vi1x0 * vk10; |
| float vo0p2 = vi2x0 * vk20; |
| |
| vi0x0 = vi0x1; |
| vi1x0 = vi1x1; |
| vi2x0 = vi2x1; |
| |
| vo0p0 += vi0x1 * vk01; |
| vo0p1 += vi1x1 * vk11; |
| vo0p2 += vi2x1 * vk21; |
| |
| vi0x1 = vi0x2; |
| vi1x1 = vi1x2; |
| vi2x1 = vi2x2; |
| |
| vo0p0 += vi0x2 * vk02; |
| vo0p1 += vi1x2 * vk12; |
| vo0p2 += vi2x2 * vk22; |
| |
| vo0p0 += vo0p1; |
| vo0p0 += vo0p2; |
| |
| float vo0 = math_max_f32(vo0p0, vmin); |
| |
| vo0 = math_min_f32(vo0, vmax); |
| |
| *o0++ = vo0; |
| } |
| // Always process the last pixel separately to account for right edge. |
| assert(w == 1 * sizeof(float)); |
| { |
| float vo0p0 = vbias + vi0x0 * vk00; |
| float vo0p1 = vi1x0 * vk10; |
| float vo0p2 = vi2x0 * vk20; |
| |
| vo0p0 += vi0x1 * vk01; |
| vo0p1 += vi1x1 * vk11; |
| vo0p2 += vi2x1 * vk21; |
| |
| vo0p0 += vo0p1; |
| vo0p0 += vo0p2; |
| |
| float vo0 = math_max_f32(vo0p0, vmin); |
| |
| vo0 = math_min_f32(vo0, vmax); |
| |
| *o0++ = vo0; |
| } |
| |
| i0 = (const float*) ((uintptr_t) i1 - input_width); |
| |
| |
| } while (--output_height != 0); |
| } |