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/* | ||
* Copyright (c) 2024, NVIDIA CORPORATION. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include <benchmarks/common/generate_input.hpp> | ||
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#include <cudf/column/column_factories.hpp> | ||
#include <cudf/filling.hpp> | ||
#include <cudf/scalar/scalar.hpp> | ||
#include <cudf/strings/strings_column_view.hpp> | ||
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#include <nvtext/minhash.hpp> | ||
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#include <rmm/device_buffer.hpp> | ||
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#include <nvbench/nvbench.cuh> | ||
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static void bench_word_minhash(nvbench::state& state) | ||
{ | ||
auto const num_rows = static_cast<cudf::size_type>(state.get_int64("num_rows")); | ||
auto const row_width = static_cast<cudf::size_type>(state.get_int64("row_width")); | ||
auto const seed_count = static_cast<cudf::size_type>(state.get_int64("seed_count")); | ||
auto const base64 = state.get_int64("hash_type") == 64; | ||
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data_profile const strings_profile = | ||
data_profile_builder().distribution(cudf::type_id::STRING, distribution_id::NORMAL, 0, 5); | ||
auto strings_table = | ||
create_random_table({cudf::type_id::STRING}, row_count{num_rows}, strings_profile); | ||
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auto const num_offsets = (num_rows / row_width) + 1; | ||
auto offsets = cudf::sequence(num_offsets, | ||
cudf::numeric_scalar<cudf::size_type>(0), | ||
cudf::numeric_scalar<cudf::size_type>(row_width)); | ||
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auto source = cudf::make_lists_column(num_offsets - 1, | ||
std::move(offsets), | ||
std::move(strings_table->release().front()), | ||
0, | ||
rmm::device_buffer{}); | ||
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data_profile const seeds_profile = data_profile_builder().no_validity().distribution( | ||
cudf::type_to_id<cudf::hash_value_type>(), distribution_id::NORMAL, 0, 256); | ||
auto const seed_type = base64 ? cudf::type_id::UINT64 : cudf::type_id::UINT32; | ||
auto const seeds_table = create_random_table({seed_type}, row_count{seed_count}, seeds_profile); | ||
auto seeds = seeds_table->get_column(0); | ||
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state.set_cuda_stream(nvbench::make_cuda_stream_view(cudf::get_default_stream().value())); | ||
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cudf::strings_column_view input(cudf::lists_column_view(source->view()).child()); | ||
auto chars_size = input.chars_size(cudf::get_default_stream()); | ||
state.add_global_memory_reads<nvbench::int8_t>(chars_size); | ||
state.add_global_memory_writes<nvbench::int32_t>(num_rows); // output are hashes | ||
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state.exec(nvbench::exec_tag::sync, [&](nvbench::launch& launch) { | ||
auto result = base64 ? nvtext::word_minhash64(source->view(), seeds.view()) | ||
: nvtext::word_minhash(source->view(), seeds.view()); | ||
}); | ||
} | ||
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NVBENCH_BENCH(bench_word_minhash) | ||
.set_name("word_minhash") | ||
.add_int64_axis("num_rows", {131072, 262144, 524288, 1048576, 2097152}) | ||
.add_int64_axis("row_width", {10, 100, 1000}) | ||
.add_int64_axis("seed_count", {2, 25}) | ||
.add_int64_axis("hash_type", {32, 64}); |
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