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render3d: a stream's cache is made with the stream - records and an arena - and evicts in place

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stream_update made a Chunk and a words copy per new chunk (fn_stream_update +39 blocks / 13.2 KB a
window with the hiker in the drifting boat). The pool holds STREAM_MAX_CHUNKS records; the arena
is twice the layer's cap; eviction compacts it; a chunk that cannot be kept is gathered from the
scratch. stream_clear_all frees records, lists and streams. steady: 300 new cells, cap 256: 156 KB
before, 0 / -4.9 KB after, and every kept chunk's data checked against its cell.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 13:26:59 +03:00
parent b4774a46ee
commit 7e9fa4473c
4 changed files with 99 additions and 19 deletions
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packages/ludic.render3d/env.ludic
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@ -691,6 +691,7 @@ export state Render3dState {
stream_walks: int = 0 # streams that walked their whole ring this frame
stream_debug_n: int = 0
stream_scratch: floats = null
stream_loose: Chunk = null # the record for a chunk no stream's cache can keep this walk
stream_deadline: long = 0
gsl_on: bool = false # slInit succeeded: the interposer is the loader, the plugins are in
gsl_dlss_ok: bool = false # what this adapter can run, from slIsFeatureSupported