156 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			156 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright 2020 Google LLC
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| //
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| // This source code is licensed under the BSD-style license found in the
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| // LICENSE file in the root directory of this source tree.
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| 
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| #pragma once
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| 
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| #include <gtest/gtest.h>
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| 
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| #include <algorithm>
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| #include <cassert>
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| #include <cstddef>
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| #include <cstdint>
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| #include <cstdlib>
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| #include <functional>
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| #include <random>
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| #include <vector>
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| 
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| #include <xnnpack.h>
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| #include <xnnpack/params.h>
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| 
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| 
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| class DepthToSpaceMicrokernelTester {
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|  public:
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|   inline DepthToSpaceMicrokernelTester& output_channels(size_t output_channels) {
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|     assert(output_channels != 0);
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|     this->output_channels_ = output_channels;
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|     return *this;
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|   }
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| 
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|   inline size_t output_channels() const {
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|     return this->output_channels_;
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|   }
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| 
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|   inline size_t input_channels() const {
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|     return this->output_channels() * this->block_size() * this->block_size();
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|   }
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| 
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|   inline DepthToSpaceMicrokernelTester& input_height(size_t input_height) {
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|     assert(input_height != 0);
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|     this->input_height_ = input_height;
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|     return *this;
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|   }
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| 
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|   inline size_t input_height() const {
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|     return this->input_height_;
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|   }
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| 
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|   inline size_t output_height() const {
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|     return this->input_height() * this->block_size();
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|   }
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| 
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|   inline DepthToSpaceMicrokernelTester& input_width(size_t input_width) {
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|     assert(input_width != 0);
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|     this->input_width_ = input_width;
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|     return *this;
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|   }
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| 
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|   inline size_t input_width() const {
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|     return this->input_width_;
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|   }
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| 
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|   inline size_t output_width() const {
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|     return this->input_width() * this->block_size();
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|   }
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| 
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|   inline DepthToSpaceMicrokernelTester& block_size(size_t block_size) {
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|     assert(block_size != 0);
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|     this->block_size_ = block_size;
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|     return *this;
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|   }
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| 
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|   inline size_t block_size() const {
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|     return this->block_size_;
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|   }
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| 
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|   inline DepthToSpaceMicrokernelTester& output_channel_stride(size_t output_channel_stride) {
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|     assert(output_channel_stride != 0);
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|     this->output_channel_stride_ = output_channel_stride;
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|     return *this;
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|   }
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| 
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|   inline size_t output_channel_stride() const {
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|     if (this->output_channel_stride_ != 0) {
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|       return this->output_channel_stride_;
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|     } else {
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|       return this->output_channels();
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|     }
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|   }
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| 
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|   inline DepthToSpaceMicrokernelTester& iterations(size_t iterations) {
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|     this->iterations_ = iterations;
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|     return *this;
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|   }
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| 
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|   inline size_t iterations() const {
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|     return this->iterations_;
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|   }
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| 
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|   void Test(xnn_x32_depthtospace2d_chw2hwc_ukernel_function depthtospace2d) const {
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|     ASSERT_GE(block_size(), 2);
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| 
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|     std::random_device random_device;
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|     auto rng = std::mt19937(random_device());
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|     auto u32rng = std::bind(std::uniform_int_distribution<uint32_t>(), rng);
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| 
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|     std::vector<uint32_t> input(input_channels() * input_height() * input_width());
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|     std::vector<uint32_t> output((output_height() * output_width() - 1) * output_channel_stride() + output_channels());
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| 
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|     for (size_t iteration = 0; iteration < iterations(); iteration++) {
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|       std::generate(input.begin(), input.end(), std::ref(u32rng));
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| 
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|       // Call optimized micro-kernel.
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|       depthtospace2d(
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|         output_channels(),
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|         input_height(),
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|         input_width(),
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|         block_size(),
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|         input.data(),
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|         output.data(),
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|         output_channel_stride());
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| 
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|       // Verify results.
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|       for (size_t iy = 0; iy < input_height(); iy++) {
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|         for (size_t by = 0; by < block_size(); by++) {
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|           for (size_t ix = 0; ix < input_width(); ix++) {
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|             for (size_t bx = 0; bx < block_size(); bx++) {
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|               for (size_t oc = 0; oc < output_channels(); oc++) {
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|                 const size_t input_index =
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|                   (((by * block_size() + bx) * output_channels() + oc) * input_height() + iy) * input_width() + ix;
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|                 const size_t output_index =
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|                   ((iy * block_size() + by) * output_width() + ix * block_size() + bx) * output_channel_stride() + oc;
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|                 ASSERT_EQ(output[output_index], input[input_index])
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|                   << "input x: " << ix << " / " << input_width()
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|                   << ", input y: " << iy << " / " << input_height()
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|                   << ", block x: " << bx << " / " << block_size()
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|                   << ", block y: " << by << " / " << block_size()
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|                   << ", output channel: " << oc << " / " << output_channels()
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|                   << ", output stride: " << output_channel_stride();
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|               }
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|             }
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|           }
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|         }
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|       }
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|     }
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|   }
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| 
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|  private:
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|   size_t output_channels_{1};
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|   size_t input_height_{1};
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|   size_t input_width_{1};
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|   size_t block_size_{2};
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|   size_t output_channel_stride_{0};
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|   size_t iterations_{3};
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| };
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