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WasmGPU.createHeapArena().usedBytes

Summary

WasmGPU.createHeapArena().usedBytes reports consumed bytes in the arena head. Track this value to estimate required arena capacity.

Syntax

WasmGPU.createHeapArena().usedBytes(): number
const used = arena.usedBytes();

Parameters

This API does not take parameters.

Returns

number - Bytes currently allocated in this arena epoch.

Example

const canvas = document.querySelector("canvas");
const wgpu = await WasmGPU.create(canvas);

const arena = wgpu.createHeapArena(64 * 1024);
arena.alloc(1024, 16);
arena.alloc(2048, 16);
console.log(arena.usedBytes(), arena.capBytes);

See Also