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[UR][Offload] Implement USM/MemBuffer fill #19885

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Merged
merged 1 commit into from
Aug 27, 2025
Merged

[UR][Offload] Implement USM/MemBuffer fill #19885

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34 changes: 34 additions & 0 deletions unified-runtime/source/adapters/offload/enqueue.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,21 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueKernelLaunch(
return UR_RESULT_SUCCESS;
}

UR_APIEXPORT ur_result_t UR_APICALL urEnqueueUSMFill(
ur_queue_handle_t hQueue, void *pMem, size_t patternSize,
const void *pPattern, size_t size, uint32_t numEventsInWaitList,
const ur_event_handle_t *phEventWaitList, ur_event_handle_t *phEvent) {
ol_queue_handle_t Queue;
OL_RETURN_ON_ERR(hQueue->nextQueue(Queue));
OL_RETURN_ON_ERR(waitOnEvents(Queue, phEventWaitList, numEventsInWaitList));

OL_RETURN_ON_ERR(
olMemFill(Queue, pMem, patternSize, const_cast<void *>(pPattern), size));
OL_RETURN_ON_ERR(makeEvent(UR_COMMAND_USM_FILL, Queue, hQueue, phEvent));

return UR_RESULT_SUCCESS;
}

UR_APIEXPORT ur_result_t UR_APICALL urEnqueueUSMFill2D(
ur_queue_handle_t, void *, size_t, size_t, const void *, size_t, size_t,
uint32_t, const ur_event_handle_t *, ur_event_handle_t *) {
Expand Down Expand Up @@ -279,6 +294,25 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueMemBufferCopy(
phEventWaitList, phEvent);
}

UR_APIEXPORT ur_result_t UR_APICALL urEnqueueMemBufferFill(
ur_queue_handle_t hQueue, ur_mem_handle_t hBuffer, const void *pPattern,
size_t patternSize, size_t offset, size_t size,
uint32_t numEventsInWaitList, const ur_event_handle_t *phEventWaitList,
ur_event_handle_t *phEvent) {
ol_queue_handle_t Queue;
OL_RETURN_ON_ERR(hQueue->nextQueue(Queue));
OL_RETURN_ON_ERR(waitOnEvents(Queue, phEventWaitList, numEventsInWaitList));

char *DevPtr =
reinterpret_cast<char *>(std::get<BufferMem>(hBuffer->Mem).Ptr);

OL_RETURN_ON_ERR(olMemFill(Queue, DevPtr + offset, patternSize,
const_cast<void *>(pPattern), size));
OL_RETURN_ON_ERR(makeEvent(UR_COMMAND_USM_FILL, Queue, hQueue, phEvent));

return UR_RESULT_SUCCESS;
}

UR_APIEXPORT ur_result_t UR_APICALL urEnqueueDeviceGlobalVariableRead(
ur_queue_handle_t hQueue, ur_program_handle_t hProgram, const char *name,
bool blockingRead, size_t count, size_t offset, void *pDst,
Expand Down
4 changes: 2 additions & 2 deletions unified-runtime/source/adapters/offload/ur_interface_loader.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -175,7 +175,7 @@ UR_DLLEXPORT ur_result_t UR_APICALL urGetEnqueueProcAddrTable(
pDdiTable->pfnKernelLaunch = urEnqueueKernelLaunch;
pDdiTable->pfnMemBufferCopy = urEnqueueMemBufferCopy;
pDdiTable->pfnMemBufferCopyRect = nullptr;
pDdiTable->pfnMemBufferFill = nullptr;
pDdiTable->pfnMemBufferFill = urEnqueueMemBufferFill;
pDdiTable->pfnMemBufferMap = urEnqueueMemBufferMap;
pDdiTable->pfnMemBufferRead = urEnqueueMemBufferRead;
pDdiTable->pfnMemBufferReadRect = nullptr;
Expand All @@ -186,7 +186,7 @@ UR_DLLEXPORT ur_result_t UR_APICALL urGetEnqueueProcAddrTable(
pDdiTable->pfnMemImageWrite = nullptr;
pDdiTable->pfnMemUnmap = urEnqueueMemUnmap;
pDdiTable->pfnUSMFill2D = urEnqueueUSMFill2D;
pDdiTable->pfnUSMFill = nullptr;
pDdiTable->pfnUSMFill = urEnqueueUSMFill;
pDdiTable->pfnUSMAdvise = nullptr;
pDdiTable->pfnUSMMemcpy2D = urEnqueueUSMMemcpy2D;
pDdiTable->pfnUSMMemcpy = urEnqueueUSMMemcpy;
Expand Down