WebJan 8, 2024 · torch.ones ( (d, d)).cuda () will always allocate a contiguous block of GPU RAM (in the virtual address space) Your allocation x3 = mem_get (1024) likely succeeds because PyTorch cudaFree’s x1 on failure and retries the allocation. (And as you saw, the CUDA driver can re-map pages). PyTorch uses “best-fit” among cached blocks (i.e. … WebAug 14, 2024 · These 500MB are most likely just the memory used by the CUDA initialization. So there is not way to remove it unless you kill the process. It seems that the model is only stored in your first process 34296 and the others are using it as expected but just the cuda initialization state is taking a lot of memory
CUDA memory leak while training - PyTorch Forums
WebSep 3, 2024 · During training this code with ray tune(1 gpu for 1 trial), after few hours of training (about 20 trials) CUDA out of memory error occurred from GPU:0,1. And even after terminated the training process, the GPUS still give out of memory error. As above, … WebNov 28, 2024 · Unsure why there were orphaned processes on the GPU. 1 Like milton kibbee in the devil\u0027s saddle
python - CUDA out of memory even there is no running process …
WebJan 25, 2024 · I am a Pytorch user. In my case, the cause for this error message was actually not due to GPU memory, but due to the version … WebJul 9, 2024 · The ways to remove a tensor from gpu memory can be done by using. a = torch.tensor(1) del a # Though not suggested and not rlly needed to be called explicitly torch.cuda.empty_cache() The ways to allocate a tensor to cuda memory is to simply move the tensor to device using WebNov 5, 2024 · You could wrap the forward and backward pass to free the memory if the current sequence was too long and you ran out of memory. However, this code won’t magically work on all types of models, so if you encounter this issue on a model with a fixed size, you might just want to lower your batch size. 1 Like ptrblck April 9, 2024, 2:25pm #6 milton keynes wildlife trust