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* preNode 'split' prop wasn't coming through the SSR pipeline properly * useCSSClasses should probably be off for now in general
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SlexAxton
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Apr 21, 2026
Improves the packages/trees file-tree profiler startup path for large pre-expanded/open trees. The change stack removes redundant prepared-input validation, represents profiler workloads with initialExpansion: 'open', slims PathStore node/storage shapes, reduces cold startup writes, tunes visible-child chunk summaries, and removes redundant FileTreeView mount/render work. Experiments: kept runs #1, #16, #18, #24, #25, #26, #28, #36, #41, #42, #43, #44, #51, #65, #67, #68, #71, #74, #80, #82, #137, #139, #140, #142, #143, #147, #149, #153, #155, #163, #165, #171, #180, #182, #186, #196 Metric: visibleRowsReadyMs 334.8ms -> 253.8ms best (-24.2%); final kept sample 267.8ms (-20.0%).
SlexAxton
added a commit
that referenced
this pull request
Apr 22, 2026
Improves the packages/trees file-tree profiler startup path for large pre-expanded/open trees. The change stack removes redundant prepared-input validation, represents profiler workloads with initialExpansion: 'open', slims PathStore node/storage shapes, reduces cold startup writes, tunes visible-child chunk summaries, and removes redundant FileTreeView mount/render work. Experiments: kept runs #1, #16, #18, #24, #25, #26, #28, #36, #41, #42, #43, #44, #51, #65, #67, #68, #71, #74, #80, #82, #137, #139, #140, #142, #143, #147, #149, #153, #155, #163, #165, #171, #180, #182, #186, #196 Metric: visibleRowsReadyMs 334.8ms -> 253.8ms best (-24.2%); final kept sample 267.8ms (-20.0%).
SlexAxton
added a commit
that referenced
this pull request
Apr 22, 2026
) Optimize file-tree startup for large open trees Improves the packages/trees file-tree profiler startup path for large pre-expanded/open trees. The change stack removes redundant prepared-input validation, represents profiler workloads with initialExpansion: 'open', slims PathStore node/storage shapes, reduces cold startup writes, tunes visible-child chunk summaries, and removes redundant FileTreeView mount/render work. Experiments: kept runs #1, #16, #18, #24, #25, #26, #28, #36, #41, #42, #43, #44, #51, #65, #67, #68, #71, #74, #80, #82, #137, #139, #140, #142, #143, #147, #149, #153, #155, #163, #165, #171, #180, #182, #186, #196 Metric: visibleRowsReadyMs 334.8ms -> 253.8ms best (-24.2%); final kept sample 267.8ms (-20.0%).
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Also just realized my batch expansion changes broke the accept/reject experiment, which i've also patched up in here.
However, what it really shows is that I need to fix this in a smarter way... (which I have an idea for... but will involve creating a new API