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[UR][L0v2] Restore code that differentiates... #20114

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[UR][L0v2] Restore code that differentiates... #20114

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9 changes: 4 additions & 5 deletions unified-runtime/source/adapters/level_zero/v2/memory.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -408,19 +408,18 @@ void ur_shared_buffer_handle_t::unmapHostPtr(
// nop
}

static bool useHostBuffer(ur_context_handle_t /* hContext */) {
static bool useHostBuffer(ur_context_handle_t hContext) {
// We treat integrated devices (physical memory shared with the CPU)
// differently from discrete devices (those with distinct memories).
// For integrated devices, allocating the buffer in the host memory
// enables automatic access from the device, and makes copying
// unnecessary in the map/unmap operations. This improves performance.

// TODO: fix integrated buffer implementation
return false;

// return hContext->getDevices().size() == 1 &&
// hContext->getDevices()[0]->ZeDeviceProperties->flags &
// ZE_DEVICE_PROPERTY_FLAG_INTEGRATED;
return hContext->getDevices().size() == 1 &&
hContext->getDevices()[0]->ZeDeviceProperties->flags &
ZE_DEVICE_PROPERTY_FLAG_INTEGRATED;
}

ur_mem_sub_buffer_t::ur_mem_sub_buffer_t(ur_mem_handle_t hParent, size_t offset,
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