1 files changed, 65 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/stress/device/bind_group_allocation.spec.ts b/dom/webgpu/tests/cts/checkout/src/stress/device/bind_group_allocation.spec.ts
new file mode 100644
index 0000000000..5d428f3edb
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/stress/device/bind_group_allocation.spec.ts
@@ -0,0 +1,65 @@
+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 } }],
+      });
+    }
+  });