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Merge pull request #267 from elstehle/enh/catch2-device-reduce
Port cub::DeviceReduce tests to Catch2
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/****************************************************************************** | ||
* Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are met: | ||
* * Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* * Redistributions in binary form must reproduce the above copyright | ||
* notice, this list of conditions and the following disclaimer in the | ||
* documentation and/or other materials provided with the distribution. | ||
* * Neither the name of the NVIDIA CORPORATION nor the | ||
* names of its contributors may be used to endorse or promote products | ||
* derived from this software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY | ||
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
* | ||
******************************************************************************/ | ||
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#pragma once | ||
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#ifndef TEST_HALF_T | ||
#define TEST_HALF_T !_NVHPC_CUDA | ||
#endif | ||
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#ifndef TEST_BF_T | ||
#define TEST_BF_T !_NVHPC_CUDA | ||
#endif | ||
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#ifdef TEST_HALF_T | ||
#include <cuda_fp16.h> | ||
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#include "../half.h" | ||
#endif | ||
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#ifdef TEST_BF_T | ||
#include <cuda_bf16.h> | ||
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#include "../bfloat16.h" | ||
#endif |
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/****************************************************************************** | ||
* Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are met: | ||
* * Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* * Redistributions in binary form must reproduce the above copyright | ||
* notice, this list of conditions and the following disclaimer in the | ||
* documentation and/or other materials provided with the distribution. | ||
* * Neither the name of the NVIDIA CORPORATION nor the | ||
* names of its contributors may be used to endorse or promote products | ||
* derived from this software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY | ||
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
* | ||
******************************************************************************/ | ||
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#include <cub/device/device_reduce.cuh> | ||
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#include <thrust/device_vector.h> | ||
#include <thrust/host_vector.h> | ||
#include <thrust/iterator/constant_iterator.h> | ||
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#include <cstdint> | ||
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#include "catch2_test_device_reduce.cuh" | ||
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// Has to go after all cub headers. Otherwise, this test won't catch unused | ||
// variables in cub kernels. | ||
#include "c2h/custom_type.cuh" | ||
#include "c2h/extended_types.cuh" | ||
#include "catch2/catch.hpp" | ||
#include "catch2_test_cdp_helper.h" | ||
#include "catch2_test_helper.h" | ||
#include <nv/target> | ||
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DECLARE_CDP_WRAPPER(cub::DeviceReduce::Reduce, device_reduce); | ||
DECLARE_CDP_WRAPPER(cub::DeviceReduce::Sum, device_sum); | ||
DECLARE_CDP_WRAPPER(cub::DeviceReduce::Min, device_min); | ||
DECLARE_CDP_WRAPPER(cub::DeviceReduce::ArgMin, device_arg_min); | ||
DECLARE_CDP_WRAPPER(cub::DeviceReduce::Max, device_max); | ||
DECLARE_CDP_WRAPPER(cub::DeviceReduce::ArgMax, device_arg_max); | ||
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// %PARAM% TEST_CDP cdp 0:1 | ||
// %PARAM% TEST_TYPES types 0:1:2:3 | ||
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// List of types to test | ||
using custom_t = c2h::custom_type_t<c2h::accumulateable_t, | ||
c2h::equal_comparable_t, | ||
c2h::lexicographical_less_comparable_t, | ||
c2h::lexicographical_greater_comparable_t>; | ||
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#if TEST_TYPES == 0 | ||
using full_type_list = | ||
c2h::type_list<type_pair<std::uint8_t>, type_pair<std::int8_t, std::int32_t>>; | ||
#elif TEST_TYPES == 1 | ||
using full_type_list = c2h::type_list<type_pair<std::int32_t>, type_pair<std::int64_t>>; | ||
#elif TEST_TYPES == 2 | ||
using full_type_list = c2h::type_list<type_pair<uchar3>, type_pair<ulonglong4>>; | ||
#elif TEST_TYPES == 3 | ||
// clang-format off | ||
using full_type_list = c2h::type_list< | ||
type_pair<custom_t> | ||
#if TEST_HALF_T | ||
, type_pair<half_t> // testing half | ||
#endif | ||
#if TEST_BF_T | ||
, type_pair<bfloat16_t> // testing bf16 | ||
#endif | ||
>; | ||
// clang-format on | ||
#endif | ||
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/** | ||
* @brief Input data generation mode | ||
*/ | ||
enum class gen_data_t : int | ||
{ | ||
/// Uniform random data generation | ||
GEN_TYPE_RANDOM, | ||
/// Constant value as input data | ||
GEN_TYPE_CONST | ||
}; | ||
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CUB_TEST("Device reduce works with all device interfaces", "[reduce][device]", full_type_list) | ||
{ | ||
using params = params_t<TestType>; | ||
using item_t = typename params::item_t; | ||
using output_t = typename params::output_t; | ||
using offset_t = int32_t; | ||
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constexpr int max_items = 5000000; | ||
constexpr int min_items = 1; | ||
constexpr int num_segments = 1; | ||
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// Generate the input sizes to test for | ||
const int num_items = GENERATE_COPY(take(3, random(min_items, max_items)), | ||
values({ | ||
min_items, | ||
max_items, | ||
})); | ||
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// Input data generation to test | ||
const gen_data_t data_gen_mode = GENERATE_COPY(gen_data_t::GEN_TYPE_RANDOM, | ||
gen_data_t::GEN_TYPE_CONST); | ||
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// Generate input data | ||
thrust::device_vector<item_t> in_items(num_items); | ||
if (data_gen_mode == gen_data_t::GEN_TYPE_RANDOM) | ||
{ | ||
c2h::gen(CUB_SEED(2), in_items); | ||
} | ||
else | ||
{ | ||
item_t default_constant{}; | ||
init_default_constant(default_constant); | ||
thrust::fill(in_items.begin(), in_items.end(), default_constant); | ||
} | ||
auto d_in_it = thrust::raw_pointer_cast(in_items.data()); | ||
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SECTION("reduce") | ||
{ | ||
using op_t = cub::Sum; | ||
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// Binary reduction operator | ||
auto reduction_op = unwrap_op(reference_extended_fp(d_in_it), op_t{}); | ||
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// Prepare verification data | ||
using accum_t = cub::detail::accumulator_t<op_t, output_t, item_t>; | ||
output_t expected_result = | ||
static_cast<output_t>(compute_single_problem_reference(in_items, reduction_op, accum_t{})); | ||
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// Run test | ||
thrust::device_vector<output_t> out_result(num_segments); | ||
auto d_out_it = thrust::raw_pointer_cast(out_result.data()); | ||
using init_t = cub::detail::value_t<decltype(unwrap_it(d_out_it))>; | ||
device_reduce(unwrap_it(d_in_it), unwrap_it(d_out_it), num_items, reduction_op, init_t{}); | ||
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// Verify result | ||
REQUIRE(expected_result == out_result[0]); | ||
} | ||
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// Skip DeviceReduce::Sum tests for extended floating-point types because of unbounded epsilon due | ||
// to pseudo associativity of the addition operation over floating point numbers | ||
#if TEST_TYPES != 3 | ||
SECTION("sum") | ||
{ | ||
using op_t = cub::Sum; | ||
using accum_t = cub::detail::accumulator_t<op_t, output_t, item_t>; | ||
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// Prepare verification data | ||
output_t expected_result = | ||
static_cast<output_t>(compute_single_problem_reference(in_items, op_t{}, accum_t{})); | ||
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// Run test | ||
thrust::device_vector<output_t> out_result(num_segments); | ||
auto d_out_it = unwrap_it(thrust::raw_pointer_cast(out_result.data())); | ||
device_sum(d_in_it, d_out_it, num_items); | ||
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// Verify result | ||
REQUIRE(expected_result == out_result[0]); | ||
} | ||
#endif | ||
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SECTION("min") | ||
{ | ||
// Prepare verification data | ||
thrust::host_vector<item_t> host_items(in_items); | ||
auto expected_result = *std::min_element(host_items.cbegin(), host_items.cend()); | ||
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// Run test | ||
thrust::device_vector<output_t> out_result(num_segments); | ||
auto d_out_it = thrust::raw_pointer_cast(out_result.data()); | ||
device_min(unwrap_it(d_in_it), unwrap_it(d_out_it), num_items); | ||
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// Verify result | ||
REQUIRE(expected_result == out_result[0]); | ||
} | ||
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SECTION("max") | ||
{ | ||
// Prepare verification data | ||
thrust::host_vector<item_t> host_items(in_items); | ||
auto expected_result = *std::max_element(host_items.cbegin(), host_items.cend()); | ||
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// Run test | ||
thrust::device_vector<output_t> out_result(num_segments); | ||
auto d_out_it = thrust::raw_pointer_cast(out_result.data()); | ||
device_max(unwrap_it(d_in_it), unwrap_it(d_out_it), num_items); | ||
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// Verify result | ||
REQUIRE(expected_result == out_result[0]); | ||
} | ||
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SECTION("argmax") | ||
{ | ||
// Prepare verification data | ||
thrust::host_vector<item_t> host_items(in_items); | ||
auto expected_result = std::max_element(host_items.cbegin(), host_items.cend()); | ||
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// Run test | ||
using result_t = cub::KeyValuePair<int, output_t>; | ||
thrust::device_vector<result_t> out_result(num_segments); | ||
device_arg_max(d_in_it, thrust::raw_pointer_cast(out_result.data()), num_items); | ||
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// Verify result | ||
result_t gpu_result = out_result[0]; | ||
REQUIRE(expected_result[0] == gpu_result.value); | ||
REQUIRE((expected_result - host_items.cbegin()) == gpu_result.key); | ||
} | ||
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SECTION("argmin") | ||
{ | ||
// Prepare verification data | ||
thrust::host_vector<item_t> host_items(in_items); | ||
auto expected_result = std::min_element(host_items.cbegin(), host_items.cend()); | ||
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// Run test | ||
using result_t = cub::KeyValuePair<int, output_t>; | ||
thrust::device_vector<result_t> out_result(num_segments); | ||
device_arg_min(d_in_it, thrust::raw_pointer_cast(out_result.data()), num_items); | ||
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// Verify result | ||
result_t gpu_result = out_result[0]; | ||
REQUIRE(expected_result[0] == gpu_result.value); | ||
REQUIRE((expected_result - host_items.cbegin()) == gpu_result.key); | ||
} | ||
} |
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