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Always prefer device_reads and device_writes when kvikIO is enabled #17260

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merged 4 commits into from
Nov 12, 2024
Merged

Always prefer device_reads and device_writes when kvikIO is enabled #17260

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62eed59
remove threshold for kvikIO
vuule Nov 6, 2024
76f1f62
Merge branch 'branch-24.12' into impr-prefer-kvikio-device-read
vuule Nov 7, 2024
af04bba
Merge branch 'branch-24.12' of https://github.com/rapidsai/cudf into …
vuule Nov 12, 2024
c9e7c76
data_sink side
vuule Nov 12, 2024
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8 changes: 6 additions & 2 deletions cpp/src/io/utilities/datasource.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -92,8 +92,12 @@ class file_source : public datasource {

[[nodiscard]] bool is_device_read_preferred(size_t size) const override
{
if (size < _gds_read_preferred_threshold) { return false; }
return supports_device_read();
if (!supports_device_read()) { return false; }

// Always prefer device reads if kvikio is enabled
if (!_kvikio_file.closed()) { return true; }

return size >= _gds_read_preferred_threshold;
}

std::future<size_t> device_read_async(size_t offset,
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