perf: ECS command path follow-up to #8872 — −40% on the codehz/ecs 5k-entity sync row by proggeramlug · Pull Request #8885 · PerryTS/perry

perf(ecs): typed branded ids, inline dynamic compares, Map heal of forwarded arrays, strict dense number store lane (WIP follow-up to #8872)

Ralph Küpper

committed

81515f9

perf(runtime): clean_arr_ptr fast lane via the cached generation classifier; cheaper Map-get forwarding heal

Ralph Küpper

committed

3477802

perf: dedupe resolved alias unions, 16-way page-generation cache, single receiver resolution in Array.some

Ralph Küpper

committed

8b0a2b5

perf(arena): keep the 4-way page-generation cache (16 ways regressed 8.6%)

Ralph Küpper

committed

0588359

perf(runtime): js_array_length plain-array fast lane; inline old→young slots skip the redundant page classification

Ralph Küpper

committed

fa91aa4

perf(gc): build class key arrays under ImmortalLayoutScope so they never arm per-object layouts

Ralph Küpper

committed

8b1caf5

perf(transform): beta-reduce called arrow-literal locals and drop dead default guards after inlining

Ralph Küpper

committed

b3856ff

perf(transform): follow copy aliases of a reduced callback local

Ralph Küpper

committed

f76fa8a

perf: process-global address sketch ahead of the per-object layout probe; resolve the inline-arena state at the first executing allocation

Ralph Küpper

committed

e0078f5

perf: inline the per-object layout address sketch in the construction gate; one rooted resolution per element in Array.some

Ralph Küpper

committed

313c39c

perf(gc): objects and closures below eight payload slots take the tag scan instead of a per-object mask

Ralph Küpper

committed

0d7d77e

perf(gc): count an in-flight array append as a live slot in the per-object mask policy

Ralph Küpper

committed

f2c7c1a

perf(gc): prune dead per-object layout records at every collection and gate the inline forget probe on live young records

Ralph Küpper

committed

96ad0ba

perf(runtime): strict array store lane skips the registry probes and returns its resolved head; dirty-page cache moves to hot TLS

Ralph Küpper

committed

411bcc7

perf(runtime): resolve array header flags once in pop/set_length; latch the named-property table; length-0 rebuild shortcut

Ralph Küpper

committed

e746d7f

perf(codegen): hoist the STRING_TAG test of js_string_addref_if_heap_string into IR at the local-copy demote sites

Ralph Küpper

committed

e33a93b

perf(runtime): typeof result-string cache on hot TLS; drop the unresolved named-property probe

Ralph Küpper

committed

57319a8

perf(gc): validated-parent write barrier entry for codegen's generation-tested slot stores

Ralph Küpper

committed

370fdfd

perf(codegen): read plain closure captures with an inline load instead of js_closure_get_capture_bits

Ralph Küpper

committed

08572a5

perf(runtime): length = 0 keeps an all-pointer array all-pointer

Ralph Küpper

committed

fbb6fe1

chore: keep the follow-up under the lint gates

Ralph Küpper

committed

cce40a3

changelog: #8885 ECS command-path follow-up

Ralph Küpper

committed

f835ef3

chore: drop the stale cold thread-local entries for arithmetic.rs and dirty_page_cache.rs

Ralph Küpper

committed

f1177e3

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perf: ECS command path follow-up to #8872 — −40% on the codehz/ecs 5k-entity sync row - #8885

perf: ECS command path follow-up to #8872 — −40% on the codehz/ecs 5k-entity sync row#8885
proggeramlug wants to merge 23 commits into
PerryTS:mainfrom
proggeramlug:perf/ecs-typedid-followup2

Commits on Aug 27, 2026

perf(ecs): typed branded ids, inline dynamic compares, Map heal of forwarded arrays, strict dense number store lane (WIP follow-up to #8872)

perf(runtime): clean_arr_ptr fast lane via the cached generation classifier; cheaper Map-get forwarding heal

perf: dedupe resolved alias unions, 16-way page-generation cache, single receiver resolution in Array.some

perf(arena): keep the 4-way page-generation cache (16 ways regressed 8.6%)

perf(runtime): js_array_length plain-array fast lane; inline old→young slots skip the redundant page classification

perf(gc): build class key arrays under ImmortalLayoutScope so they never arm per-object layouts

perf(transform): beta-reduce called arrow-literal locals and drop dead default guards after inlining

perf(transform): follow copy aliases of a reduced callback local

perf: process-global address sketch ahead of the per-object layout probe; resolve the inline-arena state at the first executing allocation

perf: inline the per-object layout address sketch in the construction gate; one rooted resolution per element in Array.some

perf(gc): objects and closures below eight payload slots take the tag scan instead of a per-object mask

perf(gc): count an in-flight array append as a live slot in the per-object mask policy

perf(gc): prune dead per-object layout records at every collection and gate the inline forget probe on live young records

perf(runtime): strict array store lane skips the registry probes and returns its resolved head; dirty-page cache moves to hot TLS

perf(runtime): resolve array header flags once in pop/set_length; latch the named-property table; length-0 rebuild shortcut

perf(codegen): hoist the STRING_TAG test of js_string_addref_if_heap_string into IR at the local-copy demote sites

perf(runtime): typeof result-string cache on hot TLS; drop the unresolved named-property probe

perf(gc): validated-parent write barrier entry for codegen's generation-tested slot stores

perf(codegen): read plain closure captures with an inline load instead of js_closure_get_capture_bits

perf(runtime): length = 0 keeps an all-pointer array all-pointer

chore: keep the follow-up under the lint gates

changelog: #8885 ECS command-path follow-up

chore: drop the stale cold thread-local entries for arithmetic.rs and dirty_page_cache.rs