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perf(split): reuse buffer in chunked splitting loop #10695

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Merged
cakebaker merged 1 commit into from
Feb 4, 2026
Merged

perf(split): reuse buffer in chunked splitting loop #10695

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3 changes: 2 additions & 1 deletion src/uu/split/src/split.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1156,9 +1156,10 @@ where
out_files = OutFiles::init(num_chunks, settings, false)?;
}

let buf = &mut Vec::new();
for i in 1_u64..=num_chunks {
let chunk_size = chunk_size_base + (chunk_size_reminder > i - 1) as u64;
let buf = &mut Vec::new();
buf.clear();
if num_bytes > 0 {
// Read `chunk_size` bytes from the reader into `buf`
// except the last.
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