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base repository: bootandy/dust
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compare: perf
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  • 4 commits
  • 5 files changed
  • 2 contributors

Commits on Sep 16, 2026

  1. perf(walk): trim filter-path overhead and skip ignore_file when off 

    Also thread metadata through the ignore_file -> build_node boundary so
filter-active walks (-x / -M / -A / -y) stat each entry at most once.

Correctness verified by diffing output against the pre-change binary
with default flags, -i, -e, -v, -X, -M, -x.

Assisted-by: Claude Opus 4.7 (code review, refactoring)
    @arcuru @bootandy
    arcuru authored and bootandy committed Sep 16, 2026
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  2. perf(walk): skip per-file statx in --filecount mode 

    Under `-f` the file's stat is mostly thrown away — `node_from_tuple`
sets size to 1 and the time fields are only read when -M/-A/-y are
on. The only field still needed downstream is `inode_device` for
`clean_inodes` dedup, and both halves are syscall-free: `inode`
from `DirEntry::ino()` (getdents64), `dev` from the parent
directory's cached tuple.

Gated to `-f` without `-L` and without metadata-needing filters,
so output is byte-identical to the previous stat path. Unix-only;
Windows DirEntry has no cheap d_ino analogue.

Assisted-by: Claude Opus 4.7 (code review, refactoring)
    @arcuru @bootandy
    arcuru authored and bootandy committed Sep 16, 2026
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  3. perf(walk): cache per-dir stat to eliminate duplicate syscall 

    Syscall reduction verified via strace on a 3-dir / 5-file test tree:
statx count drops from 11 to 8, exactly one per directory saved.

Assisted-by: Claude Opus 4.7 (code review, refactoring)
    @arcuru @bootandy
    arcuru authored and bootandy committed Sep 16, 2026
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  4. fix windows

    @bootandy
    bootandy committed Sep 16, 2026
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