76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
// Copyright 2022 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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#pragma once
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <cassert>
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#include <cmath>
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#include <cstddef>
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#include <cstdlib>
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#include <random>
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#include <vector>
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#include <xnnpack.h>
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#include <xnnpack/aligned-allocator.h>
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#include <xnnpack/microfnptr.h>
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class RMaxAbsMicrokernelTester {
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public:
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inline RMaxAbsMicrokernelTester& batch(size_t batch) {
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assert(batch != 0);
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this->batch_ = batch;
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return *this;
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}
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inline size_t batch() const {
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return this->batch_;
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}
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inline RMaxAbsMicrokernelTester& 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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inline size_t iterations() const {
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return this->iterations_;
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}
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void Test(xnn_s16_rmaxabs_ukernel_function rmaxabs) const {
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std::random_device random_device;
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auto rng = std::mt19937(random_device());
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auto i16rng = std::bind(std::uniform_int_distribution<int16_t>(), std::ref(rng));
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std::vector<int16_t> x(batch() + XNN_EXTRA_BYTES / sizeof(int16_t));
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for (size_t iteration = 0; iteration < iterations(); iteration++) {
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std::generate(x.begin(), x.end(), std::ref(i16rng));
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int32_t y_ref = 0;
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// Compute reference results.
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for (size_t n = 0; n < batch(); n++) {
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const int32_t i = static_cast<int32_t>(x[n]);
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const int32_t abs = std::abs(i);
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y_ref = std::max(y_ref, abs);
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}
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// Call optimized micro-kernel.
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uint16_t y = UINT16_C(0xDEAD);
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rmaxabs(batch(), x.data(), &y);
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// Verify results.
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ASSERT_EQ(static_cast<int32_t>(y), y_ref);
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}
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}
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private:
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size_t batch_{1};
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size_t iterations_{15};
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};
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