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/**
* AUTO-GENERATED - DO NOT EDIT. Source: https://github.com/gpuweb/cts
**/export const description = `
Tests for non-atomic memory synchronization within a workgroup in the presence of a WebGPU barrier`;import { makeTestGroup } from '../../../../common/framework/test_group.js';
import { GPUTest } from '../../../gpu_test.js';
import {
MemoryModelTester,
kAccessValueTypes,
buildTestShader,
MemoryType,
TestType,
buildResultShader,
ResultType } from
'./memory_model_setup.js';
export const g = makeTestGroup(GPUTest);
// A reasonable parameter set, determined heuristically.
const memoryModelTestParams = {
workgroupSize: 256,
testingWorkgroups: 512,
maxWorkgroups: 1024,
shufflePct: 100,
barrierPct: 100,
memStressPct: 100,
memStressIterations: 1024,
memStressStoreFirstPct: 50,
memStressStoreSecondPct: 50,
preStressPct: 100,
preStressIterations: 1024,
preStressStoreFirstPct: 50,
preStressStoreSecondPct: 50,
scratchMemorySize: 2048,
stressLineSize: 64,
stressTargetLines: 2,
stressStrategyBalancePct: 50,
permuteFirst: 109,
permuteSecond: 419,
memStride: 4,
aliasedMemory: false,
numBehaviors: 2
};
// The two kinds of non-atomic accesses tested.
// rw: read -> barrier -> write
// wr: write -> barrier -> read
// ww: write -> barrier -> write
// Test the non-atomic memory types.
const kMemTypes = [MemoryType.NonAtomicStorageClass, MemoryType.NonAtomicWorkgroupClass];
const storageMemoryBarrierStoreLoadTestCode = `
test_locations.value[x_0] = 1;
workgroupBarrier();
let r0 = u32(test_locations.value[x_1]);
atomicStore(&results.value[shuffled_workgroup * workgroupXSize + id_1].r0, r0);
`;
const workgroupMemoryBarrierStoreLoadTestCode = `
wg_test_locations[x_0] = 1;
workgroupBarrier();
let r0 = u32(wg_test_locations[x_1]);
atomicStore(&results.value[shuffled_workgroup * workgroupXSize + id_1].r0, r0);
`;
const storageMemoryBarrierLoadStoreTestCode = `
let r0 = u32(test_locations.value[x_0]);
workgroupBarrier();
test_locations.value[x_1] = 1;
atomicStore(&results.value[shuffled_workgroup * workgroupXSize + id_0].r0, r0);
`;
const workgroupMemoryBarrierLoadStoreTestCode = `
let r0 = u32(wg_test_locations[x_0]);
workgroupBarrier();
wg_test_locations[x_1] = 1;
atomicStore(&results.value[shuffled_workgroup * workgroupXSize + id_0].r0, r0);
`;
const storageMemoryBarrierStoreStoreTestCode = `
test_locations.value[x_0] = 1;
storageBarrier();
test_locations.value[x_1] = 2;
`;
const workgroupMemoryBarrierStoreStoreTestCode = `
wg_test_locations[x_0] = 1;
workgroupBarrier();
wg_test_locations[x_1] = 2;
workgroupBarrier();
test_locations.value[shuffled_workgroup * workgroupXSize * stress_params.mem_stride * 2u + x_1] = wg_test_locations[x_1];
`;
function getTestCode(p) {
switch (p.accessPair) {
case 'rw':
return p.memType === MemoryType.NonAtomicStorageClass ?
storageMemoryBarrierLoadStoreTestCode :
workgroupMemoryBarrierLoadStoreTestCode;
case 'wr':
return p.memType === MemoryType.NonAtomicStorageClass ?
storageMemoryBarrierStoreLoadTestCode :
workgroupMemoryBarrierStoreLoadTestCode;
case 'ww':
return p.memType === MemoryType.NonAtomicStorageClass ?
storageMemoryBarrierStoreStoreTestCode :
workgroupMemoryBarrierStoreStoreTestCode;
}
}
g.test('workgroup_barrier_store_load').
desc(
`Checks whether the workgroup barrier properly synchronizes a non-atomic write and read on
separate threads in the same workgroup. Within a workgroup, the barrier should force an invocation
after the barrier to read a write from an invocation before the barrier.
`
).
params((u) =>
u.
combine('accessValueType', kAccessValueTypes).
combine('memType', kMemTypes).
combine('accessPair', ['wr'])
).
beforeAllSubcases((t) => {
if (t.params.accessValueType === 'f16') {
t.selectDeviceOrSkipTestCase('shader-f16');
}
}).
fn(async (t) => {
const resultCode = `
if (r0 == 1u) {
atomicAdd(&test_results.seq, 1u);
} else if (r0 == 0u) {
atomicAdd(&test_results.weak, 1u);
}
`;
const testShader = buildTestShader(
getTestCode(t.params),
t.params.memType,
TestType.IntraWorkgroup
);
const resultShader = buildResultShader(
resultCode,
TestType.IntraWorkgroup,
ResultType.TwoBehavior
);
const memModelTester = new MemoryModelTester(
t,
memoryModelTestParams,
testShader,
resultShader,
t.params.accessValueType
);
await memModelTester.run(15, 1);
});
g.test('workgroup_barrier_load_store').
desc(
`Checks whether the workgroup barrier properly synchronizes a non-atomic write and read on
separate threads in the same workgroup. Within a workgroup, the barrier should force an invocation
before the barrier to not read the write from an invocation after the barrier.
`
).
params((u) =>
u.
combine('accessValueType', kAccessValueTypes).
combine('memType', kMemTypes).
combine('accessPair', ['rw'])
).
beforeAllSubcases((t) => {
if (t.params.accessValueType === 'f16') {
t.selectDeviceOrSkipTestCase('shader-f16');
}
}).
fn(async (t) => {
const resultCode = `
if (r0 == 0u) {
atomicAdd(&test_results.seq, 1u);
} else if (r0 == 1u) {
atomicAdd(&test_results.weak, 1u);
}
`;
const testShader = buildTestShader(
getTestCode(t.params),
t.params.memType,
TestType.IntraWorkgroup
);
const resultShader = buildResultShader(
resultCode,
TestType.IntraWorkgroup,
ResultType.TwoBehavior
);
const memModelTester = new MemoryModelTester(
t,
memoryModelTestParams,
testShader,
resultShader,
t.params.accessValueType
);
await memModelTester.run(12, 1);
});
g.test('workgroup_barrier_store_store').
desc(
`Checks whether the workgroup barrier properly synchronizes non-atomic writes on
separate threads in the same workgroup. Within a workgroup, the barrier should force the value in memory
to be the result of the write after the barrier, not the write before.
`
).
params((u) =>
u.
combine('accessValueType', kAccessValueTypes).
combine('memType', kMemTypes).
combine('accessPair', ['ww'])
).
beforeAllSubcases((t) => {
if (t.params.accessValueType === 'f16') {
t.selectDeviceOrSkipTestCase('shader-f16');
}
}).
fn(async (t) => {
const resultCode = `
if (mem_x_0 == 2u) {
atomicAdd(&test_results.seq, 1u);
} else if (mem_x_0 == 1u) {
atomicAdd(&test_results.weak, 1u);
}
`;
const testShader = buildTestShader(
getTestCode(t.params),
t.params.memType,
TestType.IntraWorkgroup
);
const resultShader = buildResultShader(
resultCode,
TestType.IntraWorkgroup,
ResultType.TwoBehavior
);
const memModelTester = new MemoryModelTester(
t,
memoryModelTestParams,
testShader,
resultShader,
t.params.accessValueType
);
await memModelTester.run(10, 1);
});
|
