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Size SAB ring buffer by world tile count

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scamiv
2025-11-26 18:41:47 +01:00
parent ecabf3577e
commit ea7d5089b8
1 changed files with 4 additions and 5 deletions
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src/client/ClientGameRunner.ts
+4 -5
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@@ -190,10 +190,9 @@ async function createClientGame(
const usesSharedTileState = !!sharedStateBuffer; const usesSharedTileState = !!sharedStateBuffer;
if (canUseSharedBuffers) { if (canUseSharedBuffers) {
// Capacity is number of tile updates that can be queued.
// This is a compromise between memory usage and backlog tolerance.
const TILE_RING_CAPACITY = 262144;
const numTiles = gameMap.gameMap.width() * gameMap.gameMap.height(); const numTiles = gameMap.gameMap.width() * gameMap.gameMap.height();
// Ring capacity scales with world size: at most one entry per tile.
const TILE_RING_CAPACITY = numTiles;
sharedTileRingBuffers = createSharedTileRingBuffers( sharedTileRingBuffers = createSharedTileRingBuffers(
TILE_RING_CAPACITY, TILE_RING_CAPACITY,
numTiles, numTiles,
@@ -701,8 +700,8 @@ export class ClientGameRunner {
uniqueTiles.add(ref); uniqueTiles.add(ref);
} }
// Calculate ring buffer utilization and overflow // Calculate ring buffer utilization and overflow using dynamic capacity
const TILE_RING_CAPACITY = 262144; const TILE_RING_CAPACITY = this.tileRingViews.capacity;
const utilization = (uniqueTiles.size / TILE_RING_CAPACITY) * 100; const utilization = (uniqueTiles.size / TILE_RING_CAPACITY) * 100;
const overflow = Atomics.load( const overflow = Atomics.load(
this.tileRingViews.header, this.tileRingViews.header,