cuDeviceCanAccessPeer: Queries if a device may directly access a peer device's...

In duncantl/RCUDA: R Bindings for the CUDA Library for GPU Computing

Description

Returns a value of 1 if contexts on dev are capable of directly accessing memory from contexts on peerDev and 0 otherwise. If direct access of peerDev from dev is possible, then access may be enabled on two specific contexts by calling cuCtxEnablePeerAccess().

Usage

cuDeviceCanAccessPeer(dev, peerDev)

Arguments

dev	Device from which allocations on peerDev are to
peerDev	Device on which the allocations to be directly accessed

Value

canAccessPeer

References

http://docs.nvidia.com/cuda/cuda-driver-api/index.html

See Also

cuCtxEnablePeerAccess cuCtxDisablePeerAccess

duncantl/RCUDA documentation built on May 15, 2019, 5:26 p.m.