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Work around a cuFile error when running CSV tests with memcheck #15293

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Mar 16, 2024
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Work around a cuFile error when running CSV tests with memcheck #15293

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5 changes: 5 additions & 0 deletions cpp/src/io/utilities/datasource.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,11 @@ class file_source : public datasource {
explicit file_source(char const* filepath) : _file(filepath, O_RDONLY)
{
if (detail::cufile_integration::is_kvikio_enabled()) {
// Workaround for https://github.com/rapidsai/cudf/issues/14140, where cuFileDriverOpen errors
// out if no CUDA calls have been made before it. This is a no-op if the CUDA context is
// already initialized
cudaFree(0);
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I believe this is a cufile bug (or at least a documentation bug about the necessary preconditions for cuFileDriverOpen), tracked internally as bug 4562392.


_kvikio_file = kvikio::FileHandle(filepath);
CUDF_LOG_INFO("Reading a file using kvikIO, with compatibility mode {}.",
_kvikio_file.is_compat_mode_on() ? "on" : "off");
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