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Excalidraw Data
Text Elements
sender
receiver
ncclLaunchKernel
ncclRegisterP2pIpcBuffer
sendbuff
recvbuff
GPU
CPU
addP2pToPlan
cudaMemcpyAsync( , *, *)
if (ipcRegistered[dir]==1)
Zerocopy P2p Design
sendProxyProgress
recvProxyProgress if（sendDone） opCount -= double agrs→subs
launchStream task queue
cudaMemcpyAsync
hostProxySyncCallback
hostProxySyncCallback
Alloc
sharedbuffer
hostProxySyncCallback
Control
Control
sendDone
Import
sharedbuffer
this struct is same address
sendDone？
Y
process2
process1
recvbuff,
sendbuff