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perf(keymap): reduce bind parser CPU cost (#157)

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* fix(keymap): reduce Hyprland bind ID CPU cost

* perf(keymap): avoid bind hashing in all parsers
This commit is contained in:
blacku
2026-07-30 08:35:38 -04:00
committed by GitHub
parent 284c55c71a
commit f87e7c076e
9 changed files with 77 additions and 47 deletions
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keymap/tests/niri_cpu_budget_test.lua
+6 -2
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@@ -80,7 +80,10 @@ noctalia = {
end,
}
local instructionBlocks = 0
debug.sethook(function() instructionBlocks = instructionBlocks + 1 end, "", 1000)
assert(loadfile("niri_service.luau"))()
debug.sethook()
bit32 = originalBit32
string.sub = originalStringSub
@@ -91,10 +94,11 @@ assert(reads["/fixture/config.kdl"] == 1, "Niri root config should only be read
assert(reads["/fixture/mine/binds.kdl"] == 1, "Niri bind include should only be read once")
assert(reads["/fixture/mine/debug.kdl"] == 1, "Niri optional include should only be read once")
assert(reads["/fixture/mine/theme.kdl"] == 1, "Niri non-bind include should only be read once")
assert(xorCalls > 0, "Niri parser did not use the native-xor fingerprint path")
assert(xorCalls == 0, "Niri visible binds still use per-character fingerprinting")
assert(instructionBlocks < 700, "Niri parser exceeded its regression instruction budget")
assert(
stringSubCalls < 45000,
"Niri parser scanned an unrelated include character by character: " .. tostring(stringSubCalls)
)
print("niri CPU-budget regression tests: ok")
print(string.format("niri CPU-budget regression tests: ok (%d blocks)", instructionBlocks))