Benchmark: Buffer Filling - MeasureThat.net

Tests:

DataView (AoS)
const stride = 10; const buffer = new ArrayBuffer(stride * 1000); /* 0 u16 id 2 f32 x 6 f32 y */ for (let i = 0; i < 1000; i++) { const struct = new DataView(buffer, i * stride); struct.setUint16(0, i); struct.setFloat32(2, i); struct.setFloat32(6, i * 2); }
TypedArray (byte-aligned AoS)
const stride = 12; const buffer = new ArrayBuffer(stride * 1000); /* 0 u16 id 4 f32 x 8 f32 y */ const floats = new Float32Array(buffer); const u16s = new Uint16Array(buffer); for (let i = 0; i < 1000; i++) { u16s[i * stride] = i; floats[i * stride + 4] = i; floats[i * stride + 8] = i * 2; }
TypedArray (SoA)
const buffers = { id: new Uint16Array(1000), x: new Float32Array(1000), y: new Float32Array(1000), }; for (let i = 0; i < 1000; i++) { buffers.id[i] = i; buffers.x[i] = i; buffers.y[i] = i * 2; }

Rendered benchmark preparation results:

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Related benchmarks:

Buffer Filling (version: 0)