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353 lines
17 KiB
C++
353 lines
17 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#ifdef HAVE_BENCHMARK
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#include <Tests/GradientSignalTestFixtures.h>
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#include <AzTest/AzTest.h>
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#include <AzCore/Memory/PoolAllocator.h>
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#include <AzCore/Math/Vector2.h>
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#include <AzCore/UnitTest/TestTypes.h>
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#include <AzFramework/Asset/AssetCatalogBus.h>
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namespace UnitTest
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{
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class GradientGetValues : public GradientSignalBenchmarkFixture
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{
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public:
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// We use an enum to list out the different types of GetValue() benchmarks to run so that way we can condense our test cases
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// to just take the value in as a benchmark argument and switch on it. Otherwise, we would need to write a different benchmark
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// function for each test case for each gradient.
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enum GetValuePermutation : int64_t
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{
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EBUS_GET_VALUE,
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EBUS_GET_VALUES,
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SAMPLER_GET_VALUE,
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SAMPLER_GET_VALUES,
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};
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// Create an arbitrary size shape for creating our gradients for benchmark runs.
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const float TestShapeHalfBounds = 128.0f;
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void FillQueryPositions(AZStd::vector<AZ::Vector3>& positions, float height, float width)
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{
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size_t index = 0;
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for (float y = 0.0f; y < height; y += 1.0f)
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{
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for (float x = 0.0f; x < width; x += 1.0f)
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{
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positions[index++] = AZ::Vector3(x, y, 0.0f);
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}
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}
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}
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void RunEBusGetValueBenchmark(benchmark::State& state, const AZ::EntityId& gradientId, int64_t queryRange)
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{
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AZ_PROFILE_FUNCTION(Entity);
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GradientSignal::GradientSampleParams params;
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// Get the height and width ranges for querying from our benchmark parameters
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const float height = aznumeric_cast<float>(queryRange);
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const float width = aznumeric_cast<float>(queryRange);
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// Call GetValue() on the EBus for every height and width in our ranges.
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for (auto _ : state)
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{
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for (float y = 0.0f; y < height; y += 1.0f)
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{
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for (float x = 0.0f; x < width; x += 1.0f)
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{
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float value = 0.0f;
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params.m_position = AZ::Vector3(x, y, 0.0f);
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GradientSignal::GradientRequestBus::EventResult(
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value, gradientId, &GradientSignal::GradientRequestBus::Events::GetValue, params);
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benchmark::DoNotOptimize(value);
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}
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}
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}
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}
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void RunEBusGetValuesBenchmark(benchmark::State& state, const AZ::EntityId& gradientId, int64_t queryRange)
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{
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AZ_PROFILE_FUNCTION(Entity);
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// Get the height and width ranges for querying from our benchmark parameters
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float height = aznumeric_cast<float>(queryRange);
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float width = aznumeric_cast<float>(queryRange);
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int64_t totalQueryPoints = queryRange * queryRange;
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// Call GetValues() for every height and width in our ranges.
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for (auto _ : state)
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{
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// Set up our vector of query positions. This is done inside the benchmark timing since we're counting the work to create
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// each query position in the single GetValue() call benchmarks, and will make the timing more directly comparable.
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AZStd::vector<AZ::Vector3> positions(totalQueryPoints);
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FillQueryPositions(positions, height, width);
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// Query and get the results.
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AZStd::vector<float> results(totalQueryPoints);
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GradientSignal::GradientRequestBus::Event(
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gradientId, &GradientSignal::GradientRequestBus::Events::GetValues, positions, results);
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}
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}
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void RunSamplerGetValueBenchmark(benchmark::State& state, const AZ::EntityId& gradientId, int64_t queryRange)
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{
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AZ_PROFILE_FUNCTION(Entity);
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// Create a gradient sampler to use for querying our gradient.
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GradientSignal::GradientSampler gradientSampler;
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gradientSampler.m_gradientId = gradientId;
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// Get the height and width ranges for querying from our benchmark parameters
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const float height = aznumeric_cast<float>(queryRange);
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const float width = aznumeric_cast<float>(queryRange);
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// Call GetValue() through the GradientSampler for every height and width in our ranges.
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for (auto _ : state)
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{
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for (float y = 0.0f; y < height; y += 1.0f)
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{
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for (float x = 0.0f; x < width; x += 1.0f)
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{
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GradientSignal::GradientSampleParams params;
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params.m_position = AZ::Vector3(x, y, 0.0f);
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float value = gradientSampler.GetValue(params);
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benchmark::DoNotOptimize(value);
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}
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}
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}
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}
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void RunSamplerGetValuesBenchmark(benchmark::State& state, const AZ::EntityId& gradientId, int64_t queryRange)
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{
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AZ_PROFILE_FUNCTION(Entity);
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// Create a gradient sampler to use for querying our gradient.
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GradientSignal::GradientSampler gradientSampler;
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gradientSampler.m_gradientId = gradientId;
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// Get the height and width ranges for querying from our benchmark parameters
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const float height = aznumeric_cast<float>(queryRange);
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const float width = aznumeric_cast<float>(queryRange);
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const int64_t totalQueryPoints = queryRange * queryRange;
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// Call GetValues() through the GradientSampler for every height and width in our ranges.
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for (auto _ : state)
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{
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// Set up our vector of query positions. This is done inside the benchmark timing since we're counting the work to create
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// each query position in the single GetValue() call benchmarks, and will make the timing more directly comparable.
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AZStd::vector<AZ::Vector3> positions(totalQueryPoints);
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FillQueryPositions(positions, height, width);
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// Query and get the results.
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AZStd::vector<float> results(totalQueryPoints);
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gradientSampler.GetValues(positions, results);
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}
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}
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void RunGetValueOrGetValuesBenchmark(benchmark::State& state, const AZ::EntityId& gradientId)
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{
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switch (state.range(0))
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{
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case GetValuePermutation::EBUS_GET_VALUE:
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RunEBusGetValueBenchmark(state, gradientId, state.range(1));
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break;
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case GetValuePermutation::EBUS_GET_VALUES:
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RunEBusGetValuesBenchmark(state, gradientId, state.range(1));
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break;
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case GetValuePermutation::SAMPLER_GET_VALUE:
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RunSamplerGetValueBenchmark(state, gradientId, state.range(1));
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break;
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case GetValuePermutation::SAMPLER_GET_VALUES:
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RunSamplerGetValuesBenchmark(state, gradientId, state.range(1));
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break;
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default:
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AZ_Assert(false, "Benchmark permutation type not supported.");
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}
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}
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};
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// Because there's no good way to label different enums in the output results (they just appear as integer values), we work around it by
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// registering one set of benchmark runs for each enum value and use ArgNames() to give it a friendly name in the results.
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#define GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(Fixture, Func) \
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BENCHMARK_REGISTER_F(Fixture, Func) \
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->Args({ GradientGetValues::GetValuePermutation::EBUS_GET_VALUE, 1024 }) \
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->Args({ GradientGetValues::GetValuePermutation::EBUS_GET_VALUE, 2048 }) \
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->Args({ GradientGetValues::GetValuePermutation::EBUS_GET_VALUE, 4096 }) \
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->ArgNames({ "EbusGetValue", "size" }) \
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->Unit(::benchmark::kMillisecond); \
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BENCHMARK_REGISTER_F(Fixture, Func) \
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->Args({ GradientGetValues::GetValuePermutation::EBUS_GET_VALUES, 1024 }) \
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->Args({ GradientGetValues::GetValuePermutation::EBUS_GET_VALUES, 2048 }) \
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->Args({ GradientGetValues::GetValuePermutation::EBUS_GET_VALUES, 4096 }) \
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->ArgNames({ "EbusGetValues", "size" }) \
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->Unit(::benchmark::kMillisecond); \
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BENCHMARK_REGISTER_F(Fixture, Func) \
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->Args({ GradientGetValues::GetValuePermutation::SAMPLER_GET_VALUE, 1024 }) \
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->Args({ GradientGetValues::GetValuePermutation::SAMPLER_GET_VALUE, 2048 }) \
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->Args({ GradientGetValues::GetValuePermutation::SAMPLER_GET_VALUE, 4096 }) \
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->ArgNames({ "SamplerGetValue", "size" }) \
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->Unit(::benchmark::kMillisecond); \
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BENCHMARK_REGISTER_F(Fixture, Func) \
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->Args({ GradientGetValues::GetValuePermutation::SAMPLER_GET_VALUES, 1024 }) \
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->Args({ GradientGetValues::GetValuePermutation::SAMPLER_GET_VALUES, 2048 }) \
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->Args({ GradientGetValues::GetValuePermutation::SAMPLER_GET_VALUES, 4096 }) \
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->ArgNames({ "SamplerGetValues", "size" }) \
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->Unit(::benchmark::kMillisecond);
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// --------------------------------------------------------------------------------------
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// Base Gradients
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BENCHMARK_DEFINE_F(GradientGetValues, BM_ConstantGradient)(benchmark::State& state)
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{
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auto entity = BuildTestConstantGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_ImageGradient)(benchmark::State& state)
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{
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auto entity = BuildTestImageGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_PerlinGradient)(benchmark::State& state)
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{
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auto entity = BuildTestPerlinGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_RandomGradient)(benchmark::State& state)
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{
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auto entity = BuildTestRandomGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_ShapeAreaFalloffGradient)(benchmark::State& state)
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{
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auto entity = BuildTestShapeAreaFalloffGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_ConstantGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_ImageGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_PerlinGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_RandomGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_ShapeAreaFalloffGradient);
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// --------------------------------------------------------------------------------------
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// Gradient Modifiers
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BENCHMARK_DEFINE_F(GradientGetValues, BM_DitherGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestDitherGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_InvertGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestDitherGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_LevelsGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestLevelsGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_MixedGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto mixedEntity = BuildTestConstantGradient(TestShapeHalfBounds);
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auto entity = BuildTestMixedGradient(TestShapeHalfBounds, baseEntity->GetId(), mixedEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_PosterizeGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestPosterizeGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_ReferenceGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestReferenceGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_SmoothStepGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestSmoothStepGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_ThresholdGradient)(benchmark::State& state)
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{
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auto baseEntity = BuildTestRandomGradient(TestShapeHalfBounds);
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auto entity = BuildTestThresholdGradient(TestShapeHalfBounds, baseEntity->GetId());
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_DitherGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_InvertGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_LevelsGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_MixedGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_PosterizeGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_ReferenceGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_SmoothStepGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_ThresholdGradient);
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// --------------------------------------------------------------------------------------
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// Surface Gradients
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BENCHMARK_DEFINE_F(GradientGetValues, BM_SurfaceAltitudeGradient)(benchmark::State& state)
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{
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auto mockSurfaceDataSystem =
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CreateMockSurfaceDataSystem(AZ::Aabb::CreateFromMinMax(AZ::Vector3(-TestShapeHalfBounds), AZ::Vector3(TestShapeHalfBounds)));
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auto entity = BuildTestSurfaceAltitudeGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_SurfaceMaskGradient)(benchmark::State& state)
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{
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auto mockSurfaceDataSystem =
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CreateMockSurfaceDataSystem(AZ::Aabb::CreateFromMinMax(AZ::Vector3(-TestShapeHalfBounds), AZ::Vector3(TestShapeHalfBounds)));
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auto entity = BuildTestSurfaceMaskGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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BENCHMARK_DEFINE_F(GradientGetValues, BM_SurfaceSlopeGradient)(benchmark::State& state)
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{
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auto mockSurfaceDataSystem =
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CreateMockSurfaceDataSystem(AZ::Aabb::CreateFromMinMax(AZ::Vector3(-TestShapeHalfBounds), AZ::Vector3(TestShapeHalfBounds)));
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auto entity = BuildTestSurfaceSlopeGradient(TestShapeHalfBounds);
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RunGetValueOrGetValuesBenchmark(state, entity->GetId());
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}
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_SurfaceAltitudeGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_SurfaceMaskGradient);
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GRADIENT_SIGNAL_GET_VALUES_BENCHMARK_REGISTER_F(GradientGetValues, BM_SurfaceSlopeGradient);
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#endif
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}
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