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Cycles: oneAPI: Fix Out-Of-Memory errors on some integrated GPUs

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This commit is contained in:
Nikita Sirgienko
2024-05-29 21:56:42 +02:00
parent fa3eaac0ac
commit 8ee8d01711
1 changed files with 6 additions and 2 deletions
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8
intern/cycles/device/oneapi/device_impl.cpp
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@@ -207,9 +207,13 @@ void OneapiDevice::build_bvh(BVH *bvh, Progress &progress, bool refit)
size_t OneapiDevice::get_free_mem() const
{
/* Accurate: Use device info. */
/* Accurate: Use device info, which is practically useful only on dGPU.
* This is because for non-discrete GPUs, all GPU memory allocations would
* be in the RAM, thus having the same performance for device and host pointers,
* so there is no need to be very accurate about what would end where. */
const sycl::device &device = reinterpret_cast<sycl::queue *>(device_queue_)->get_device();
if (device.has(sycl::aspect::ext_intel_free_memory)) {
const bool is_integrated_gpu = device.get_info<sycl::info::device::host_unified_memory>();
if (device.has(sycl::aspect::ext_intel_free_memory) && is_integrated_gpu == false) {
return device.get_info<sycl::ext::intel::info::device::free_memory>();
}
/* Estimate: Capacity - in use. */