GPUDevice from init()
number of elements (must be a positive integer)
scalar multiplier
Float32Array input vector
stride for x (must be a positive integer)
Float32Array input/output vector
stride for y (must be a positive integer)
Performs the operation y = alpha * x + y
import { init, cleanup } from "wgblas";
import { saxpy } from "wgblas/saxpy";
import { sscal } from "wgblas/sscal";
import { GpuVector } from "wgblas/classes/GpuVector";
import { randomFloat32Array } from "wgblas/random";
const device = await init();
const n = 10;
const alpha = 2;
const scale = 0.5;
const x = randomFloat32Array(n, -10, 10);
const y = randomFloat32Array(n, -10, 10);
const xGpu = GpuVector.from(x);
const yGpu = GpuVector.from(y);
console.log("x: ", x);
console.log("y: ", y);
// results stay in the GPU.
await saxpy(device, n, alpha, xGpu, 1, yGpu, 1);
await sscal(device, n, scale, yGpu, 1);
// single readback
const result = await yGpu.read();
console.log("result: ", result);
xGpu.destroy();
yGpu.destroy();
if (typeof process !== "undefined") cleanup();
GPUDevice from init()
number of elements (must be a positive integer)
scalar multiplier
GpuVector input vector
stride for x (must be a positive integer)
GpuVector input/output vector (mutated in place)
stride for y (must be a positive integer)
Performs the operation y = alpha * x + y