benchmarks : same source chunked array coalescer benchmarks - #10808
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benchmarks : same source chunked array coalescer benchmarks#10808Rich-T-kid wants to merge 1 commit into
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Which issue does this PR close?
BatchCoalescer/GenericInProgressArraywhen multiple batches are pushed in with the same buffer #7765.Rationale for this change
There is no benchmark for the pattern where a large
RecordBatchissliced into smaller chunks and pushed into
BatchCoalescerone at atime. All slices share the same underlying buffers.
What changes are included in this PR?
Adds
add_all_slice_benchmarkstoarrow/benches/coalesce_kernels.rs.It creates a 64K-row source batch, slices it into 4K-row chunks, and
pushes each slice through a
BatchCoalescer. Covers primitive,Utf8View,BinaryView,Utf8,Binary, and dictionary schemas attwo null densities.
Are these changes tested?
n/a
Are there any user-facing changes?
no