zeroshade commented on code in PR #36489:
URL: https://github.com/apache/arrow/pull/36489#discussion_r1268196449
##########
cpp/src/arrow/gpu/cuda_memory.cc:
##########
@@ -480,5 +485,21 @@ Result<uint8_t*> GetHostAddress(uintptr_t device_ptr) {
return static_cast<uint8_t*>(ptr);
}
+Result<std::shared_ptr<MemoryManager>> DefaultMemoryMapper(ArrowDeviceType
device_type,
+ int64_t device_id) {
+ switch (device_type) {
+ case ARROW_DEVICE_CPU:
+ return default_cpu_memory_manager();
+ case ARROW_DEVICE_CUDA:
+ case ARROW_DEVICE_CUDA_HOST:
+ case ARROW_DEVICE_CUDA_MANAGED: {
+ ARROW_ASSIGN_OR_RAISE(auto device,
arrow::cuda::CudaDevice::Make(device_id));
Review Comment:
I'll look at this in a subsequent PR rather than make that change here since
it'll probably have other effects elsewhere
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