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export const description = `
Stress tests for allocation of GPUBindGroup objects through GPUDevice.
`;
import { makeTestGroup } from '../../common/framework/test_group.js';
import { GPUTest } from '../../webgpu/gpu_test.js';
export const g = makeTestGroup(GPUTest);
g.test('coexisting')
.desc(`Tests allocation of many coexisting GPUBindGroup objects.`)
.fn(t => {
const kNumGroups = 1_000_000;
const buffer = t.device.createBuffer({
size: 64,
usage: GPUBufferUsage.STORAGE,
});
const layout = t.device.createBindGroupLayout({
entries: [
{
binding: 0,
visibility: GPUShaderStage.COMPUTE,
buffer: { type: 'storage' },
},
],
});
const bindGroups = [];
for (let i = 0; i < kNumGroups; ++i) {
bindGroups.push(
t.device.createBindGroup({
layout,
entries: [{ binding: 0, resource: { buffer } }],
})
);
}
});
g.test('continuous')
.desc(
`Tests allocation and implicit GC of many GPUBindGroup objects over time.
Objects are sequentially created and dropped for GC over a very large number of
iterations.`
)
.fn(t => {
const kNumGroups = 5_000_000;
const buffer = t.device.createBuffer({
size: 64,
usage: GPUBufferUsage.STORAGE,
});
const layout = t.device.createBindGroupLayout({
entries: [
{
binding: 0,
visibility: GPUShaderStage.COMPUTE,
buffer: { type: 'storage' },
},
],
});
for (let i = 0; i < kNumGroups; ++i) {
t.device.createBindGroup({
layout,
entries: [{ binding: 0, resource: { buffer } }],
});
}
});
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