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Excalidraw Data
Text Elements
use cudaIpc finish allocate/import shared buffer
Shared Proxy Info
receiver(process2)
sender(process1)
flagcxRegisterP2pIpcBuffer
flagcxp2pIpcRegisterBuffer
ncclShmAllocateShareableBuffer
ShmOpen
Shared Proxy Info
p2pShm+p2pRegInfo
ConnectInfo.desc
fill
bootstrapSend p2pBuff/desc
ncclShmImportShareableBuffer
ShmOpen
reOpen
ConnectInfo.desc
dev/shm/
mmap
mmap
Shared Proxy Info
p2pShm+p2pRegInfo
direct memcpy
userbuff
baseAddr
Ipchandle
cudaIpcGetMemHandle
proxy
cudaIpcOpenMemHandle
thread1
thread2
1
2
cudaMemcpyAsync（D2H）
flagcxP2pProxyRegister
1
2
3
p2pRegInfo
int copyDone;
int copyStarted;
int receiverReady;
void* receiverRegAddr;
ssize_t receiverRegBytes;
sendbuff
recvbuff
zerocopy
record？
Y
N
cuMemGetAddressRange？