Cuda VMM API cuMemAddresssReserve Out of Memory

Accelerated Computing CUDA CUDA Programming and Performance
1

Hello，

when I am using cuMemAddresssReserve to Allocate gpu virtual memory several times on Jetson AGX Orin , it shows out of memory

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However , same code executed on 4090 GPU , everything goes well .

What’s the max virtual address space size on jetson orin , why there is a difference between orin and 4090 ?

2

This section of the driver README may be of assistance.