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AnyPS5/docs/dev
janzezno 4f7e51f399 perf(agc): re-check only the host imports a registry change can reach
refreshImports checked every live host import, failure and refusal
again at each guest allocation registry change. A title that maps
memory often (SuperTuxKart, ~1650 maps a second) paid a walk that grew
with the live imports: ~34 FPS with ~1.1 GiB of imports on RADV.

The import table now keeps a weak_ptr snapshot of the ranges it was
last checked against and diffs it with the new lease. Only imports
whose import window touches a changed span, and imports made since the
last refresh, are checked again. Every import is checked when the window
is 0 or the window or budget changed. SuperTuxKart's menu goes from
~34 to ~45 FPS with the same imports live.
2026-10-26 21:19:58 +01:00
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