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timely-util: columnar-native merge-batcher (chunker + merger + bench) #36408

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timely-util: columnar-native merge-batcher (chunker + merger + bench) #36408

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8b69d5c
timely-util: columnar-native merge-batcher chunker and merger
DAlperin May 4, 2026
28f2f62
timely-util: gallop Less/Greater runs in ColumnMerger
DAlperin May 5, 2026
f2daa48
timely-util: ColumnMerger pre-allocation, gallop bypass, microbench
DAlperin May 5, 2026
ddc6c4d
timely-util: address review — serialized-words ship heuristic + per-l…
DAlperin May 5, 2026
7bf5f50
timely-util: bench parameterized by heap size, sweep across cache reg…
DAlperin May 5, 2026
3e23d33
mz-repr: Row-keyed merge-batcher microbench
DAlperin May 5, 2026
28834ed
bench: emit a throughput summary table after each criterion group
DAlperin May 5, 2026
ed05a8e
timely-util: ColumnMerger inner-loop optimizations
DAlperin May 5, 2026
d4796b3
timely-util: ColumnChunker drops copy_from for D, T; extract yields p…
DAlperin May 6, 2026
6e20bbb
mz-compute: Row-keyed merger and merge-batcher microbenches
DAlperin May 6, 2026
7165622
timely-util: implement Merger directly for ColumnMerger
DAlperin May 6, 2026
a38afd0
timely-util: ColumnMerger fast paths — chunk passthrough + yield reason
DAlperin May 6, 2026
50aae8a
timely-util/compute: replace `as` casts with mz_ore::cast helpers
DAlperin May 6, 2026
d18470b
compute: bench mostly-sorted hydration regime
DAlperin May 6, 2026
cf97d45
timely-util/compute: address review nits — stale docs + account()
DAlperin May 6, 2026
0f7d2ac
timely-util: address review nits — derive note, account sizing, recyc…
DAlperin May 7, 2026
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4 changes: 4 additions & 0 deletions Cargo.lock
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10 changes: 10 additions & 0 deletions src/compute/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,17 @@ uuid = { workspace = true, features = ["serde", "v4"] }
core_affinity = "0.8.3"

[dev-dependencies]
criterion.workspace = true
proptest.workspace = true
rand.workspace = true

[features]
default = []

[[bench]]
name = "columnar_merger_row"
harness = false

[[bench]]
name = "columnar_merge_batcher_row"
harness = false
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