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Rewriting row/column conversions for Spark <-> cudf data conversions #8444
Rewriting row/column conversions for Spark <-> cudf data conversions #8444
Commits on Sep 30, 2021
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Updating windows to be generated in a square way so we can have more …
…data to write out as 8-byte writes from shared memory. Shuffled some of the copy to GPU code up so it can start the copy sooner and hopefully won't force stalls. Some bug fixes.
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Adding row to column conversion code. Performance falls off a cliff, …
…but starts out reasonably. I haven't looked at this in nsight yet.
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updating conversion code. Found out bit operations are on 32-bit valu…
…es, so they can't be used since row data has byte-aligned validity. Performance improvements on the row to column side.
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Updating windows to be generated in a square way so we can have more …
…data to write out as 8-byte writes from shared memory. Shuffled some of the copy to GPU code up so it can start the copy sooner and hopefully won't force stalls. Some bug fixes.
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Adding row to column conversion code. Performance falls off a cliff, …
…but starts out reasonably. I haven't looked at this in nsight yet.
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updating conversion code. Found out bit operations are on 32-bit valu…
…es, so they can't be used since row data has byte-aligned validity. Performance improvements on the row to column side.
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Commits on Oct 1, 2021
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Commits on Oct 6, 2021
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Added a new method `convertFromRowsFixedWidthOptimized` and `convertToRowsFixedWidthOptimized` to be used for when columns are < 100. Otherwise use the new method This is currently failing simple tests
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Commits on Oct 7, 2021
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Merge branch 'mwilson/row_conversion' of github.com:hyperbolic2346/cu…
…df into mwilson/row_conversion
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Commits on Oct 13, 2021
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Commits on Oct 22, 2021
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Merge branch 'mwilson/row_conversion' of github.com:hyperbolic2346/cu…
…df into mwilson/row_conversion
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Commits on Oct 23, 2021
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Updating for actual PR. Fixed a few last minute bugs, removed cudf-la…
…nd code that was there for testing and benchmarking.
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removing unused header, suppressing shared warning for barrier, updat…
…ing java bindings to use the correct namespace
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Commits on Oct 27, 2021
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Updating windows to be generated in a square way so we can have more …
…data to write out as 8-byte writes from shared memory. Shuffled some of the copy to GPU code up so it can start the copy sooner and hopefully won't force stalls. Some bug fixes.
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Adding row to column conversion code. Performance falls off a cliff, …
…but starts out reasonably. I haven't looked at this in nsight yet.
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updating conversion code. Found out bit operations are on 32-bit valu…
…es, so they can't be used since row data has byte-aligned validity. Performance improvements on the row to column side.
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Updating windows to be generated in a square way so we can have more …
…data to write out as 8-byte writes from shared memory. Shuffled some of the copy to GPU code up so it can start the copy sooner and hopefully won't force stalls. Some bug fixes.
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Adding row to column conversion code. Performance falls off a cliff, …
…but starts out reasonably. I haven't looked at this in nsight yet.
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updating conversion code. Found out bit operations are on 32-bit valu…
…es, so they can't be used since row data has byte-aligned validity. Performance improvements on the row to column side.
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Added a new method `convertFromRowsFixedWidthOptimized` and `convertToRowsFixedWidthOptimized` to be used for when columns are < 100. Otherwise use the new method This is currently failing simple tests
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Updating for actual PR. Fixed a few last minute bugs, removed cudf-la…
…nd code that was there for testing and benchmarking.
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removing unused header, suppressing shared warning for barrier, updat…
…ing java bindings to use the correct namespace
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Merge branch 'mwilson/row_conversion' of github.com:hyperbolic2346/cu…
…df into mwilson/row_conversion
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Commits on Nov 17, 2021
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Commits on Dec 15, 2021
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Update java/src/main/native/src/row_conversion.cu
Co-authored-by: MithunR <[email protected]>
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Commits on Jan 6, 2022
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Update java/src/main/native/src/row_conversion.cu
Co-authored-by: MithunR <[email protected]>
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Merge branch 'mwilson/row_conversion' of github.com:hyperbolic2346/cu…
…df into mwilson/row_conversion
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Commits on Jan 10, 2022
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