Lec3 - ECE151 Lecture 3 Chapter 2 Communication ECE151...

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ECE151 – Lecture 3 1 ECE151 – Lecture 3 Chapter 2 Communication
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ECE151 – Lecture 3 2 Berkeley Sockets (1) Socket primitives for TCP/IP. Release the connection Close Receive some data over the connection Receive Send some data over the connection Send Actively attempt to establish a connection Connect Block caller until a connection request arrives Accept Announce willingness to accept connections Listen Attach a local address to a socket Bind Create a new communication endpoint Socket Meaning Primitive
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ECE151 – Lecture 3 3 Berkeley Sockets (2) Connection-oriented communication pattern using sockets.
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ECE151 – Lecture 3 4 The Message-Passing Interface (MPI) Some of the most intuitive message-passing primitives of MPI. Check if there is an incoming message, but do not block MPI_irecv Receive a message; block if there are none MPI_recv Pass reference to outgoing message, and wait until receipt starts MPI_issend Pass reference to outgoing message, and continue MPI_isend Send a message and wait for reply MPI_sendrecv
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