UnifiedMemoryPerf - Unified and other CUDA Memories Performance

Description

This sample demonstrates the performance comparision using matrix multiplication kernel of Unified Memory with/without hints and other types of memory like zero copy buffers, pageable, pagelocked memory performing synchronous and Asynchronous transfers on a single GPU.

Key Concepts

CUDA Systems Integration, Unified Memory, CUDA Streams and Events, Pinned System Paged Memory

Supported SM Architectures

Supported OSes

Linux, Windows

Supported CPU Architecture

x86_64, armv7l, aarch64

CUDA APIs involved

CUDA Runtime API

cudaMemcpy, cudaStreamDestroy, cudaMemPrefetchAsync, cudaFree, cudaMallocHost, cudaMallocManaged, cudaStreamAttachMemAsync, cudaHostGetDevicePointer, cudaFreeHost, cudaStreamSynchronize, cudaMalloc, cudaMemcpyAsync, cudaStreamCreate, cudaGetDeviceProperties

Dependencies needed to build/run

UVM

Prerequisites

Download and install the CUDA Toolkit for your corresponding platform. Make sure the dependencies mentioned in Dependencies section above are installed.

References (for more details)