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[SYCL] Use copy engine for memory read/write operations #6783

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merged 1 commit into from
Sep 15, 2022
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[SYCL] Use copy engine for memory read/write operations #6783

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15 changes: 11 additions & 4 deletions sycl/plugins/level_zero/pi_level_zero.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6513,9 +6513,11 @@ pi_result piEnqueueMemBufferRead(pi_queue Queue, pi_mem Src,

char *ZeHandleSrc;
PI_CALL(Src->getZeHandle(ZeHandleSrc, _pi_mem::read_only, Queue->Device));
bool PreferCopyEngine = true;
return enqueueMemCopyHelper(PI_COMMAND_TYPE_MEM_BUFFER_READ, Queue, Dst,
BlockingRead, Size, ZeHandleSrc + Offset,
NumEventsInWaitList, EventWaitList, Event);
NumEventsInWaitList, EventWaitList, Event,
PreferCopyEngine);
}

pi_result piEnqueueMemBufferReadRect(
Expand All @@ -6534,11 +6536,13 @@ pi_result piEnqueueMemBufferReadRect(

char *ZeHandleSrc;
PI_CALL(Buffer->getZeHandle(ZeHandleSrc, _pi_mem::read_only, Queue->Device));
bool PreferCopyEngine = true;
return enqueueMemCopyRectHelper(
PI_COMMAND_TYPE_MEM_BUFFER_READ_RECT, Queue, ZeHandleSrc,
static_cast<char *>(Ptr), BufferOffset, HostOffset, Region,
BufferRowPitch, HostRowPitch, BufferSlicePitch, HostSlicePitch,
BlockingRead, NumEventsInWaitList, EventWaitList, Event);
BlockingRead, NumEventsInWaitList, EventWaitList, Event,
PreferCopyEngine);
}

} // extern "C"
Expand Down Expand Up @@ -6780,11 +6784,13 @@ pi_result piEnqueueMemBufferWrite(pi_queue Queue, pi_mem Buffer,

char *ZeHandleDst;
PI_CALL(Buffer->getZeHandle(ZeHandleDst, _pi_mem::write_only, Queue->Device));
bool PreferCopyEngine = true;
return enqueueMemCopyHelper(PI_COMMAND_TYPE_MEM_BUFFER_WRITE, Queue,
ZeHandleDst + Offset, // dst
BlockingWrite, Size,
Ptr, // src
NumEventsInWaitList, EventWaitList, Event);
NumEventsInWaitList, EventWaitList, Event,
PreferCopyEngine);
}

pi_result piEnqueueMemBufferWriteRect(
Expand All @@ -6802,12 +6808,13 @@ pi_result piEnqueueMemBufferWriteRect(

char *ZeHandleDst;
PI_CALL(Buffer->getZeHandle(ZeHandleDst, _pi_mem::write_only, Queue->Device));
bool PreferCopyEngine = true;
return enqueueMemCopyRectHelper(
PI_COMMAND_TYPE_MEM_BUFFER_WRITE_RECT, Queue,
const_cast<char *>(static_cast<const char *>(Ptr)), ZeHandleDst,
HostOffset, BufferOffset, Region, HostRowPitch, BufferRowPitch,
HostSlicePitch, BufferSlicePitch, BlockingWrite, NumEventsInWaitList,
EventWaitList, Event);
EventWaitList, Event, PreferCopyEngine);
}

pi_result piEnqueueMemBufferCopy(pi_queue Queue, pi_mem SrcMem, pi_mem DstMem,
Expand Down