wip[cuda]: datafusion backed GPU scan #6246
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CodSpeed Performance ReportMerging this PR will degrade performance by 33.03%Comparing Summary
Performance Changes
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alamb
reviewed
Feb 2, 2026
| async move { | ||
| let chunk = chunk_result?; | ||
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| // Execute on CUDA - this is the main difference from CPU path |
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This is quite a beautiful expression of decoding/filtering on the GPU
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But seriously, as @lwwmanning says, this is a sign that you have your APIs designed nicely
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Enough to run a tpch-h projection on the GPU and move it back to the CPU and return to datafusion to show e2e. Likely very slow.