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Enable Zstandard decompression only when all nvcomp integrations are enabled #10944

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merged 3 commits into from
May 25, 2022
Merged

Enable Zstandard decompression only when all nvcomp integrations are enabled #10944

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899fe80
enable zstd only when all nvcomp integrations are enabled
vuule May 24, 2022
4a893b2
improve error messages; stop checking the error message in tests
vuule May 24, 2022
af35471
style
vuule May 24, 2022
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12 changes: 10 additions & 2 deletions cpp/src/io/comp/nvcomp_adapter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "nvcomp_adapter.cuh"

#include <cudf/utilities/error.hpp>
#include <io/utilities/config_utils.hpp>

#include <nvcomp/snappy.h>

Expand All @@ -30,6 +31,8 @@

namespace cudf::io::nvcomp {

[[noreturn]] void fail_unsupported() { CUDF_FAIL("Unsupported compression type"); }

template <typename... Args>
auto batched_decompress_get_temp_size(compression_type compression, Args&&... args)
{
Expand All @@ -40,7 +43,7 @@ auto batched_decompress_get_temp_size(compression_type compression, Args&&... ar
case compression_type::ZSTD:
return nvcompBatchedZstdDecompressGetTempSize(std::forward<Args>(args)...);
#endif
default: CUDF_FAIL("Unsupported compression type");
default: fail_unsupported();
}
};

Expand All @@ -54,7 +57,7 @@ auto batched_decompress_async(compression_type compression, Args&&... args)
case compression_type::ZSTD:
return nvcompBatchedZstdDecompressAsync(std::forward<Args>(args)...);
#endif
default: CUDF_FAIL("Unsupported compression type");
default: fail_unsupported();
}
};

Expand All @@ -76,6 +79,11 @@ void batched_decompress(compression_type compression,
size_t max_uncomp_chunk_size,
rmm::cuda_stream_view stream)
{
// TODO Consolidate config use to a common location
if (compression == compression_type::ZSTD and
not cudf::io::detail::nvcomp_integration::is_all_enabled()) {
fail_unsupported();
}
auto const num_chunks = inputs.size();

// cuDF inflate inputs converted to nvcomp inputs
Expand Down