multi-pipes
Post on 17-Dec-2014
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DESCRIPTION
OSDI 2010 Poster on the multi-pipe component of the unified execution model (part of the HARE project)
TRANSCRIPT
This project is supported in part by the U.S. Department of Energy under Award Number DE-FG02- 08ER25851
http://www.research.ibm.com/austin
http://goo.gl/5eFB
MULTI-PIPESEric Van Hensbergen (IBM Research)Noah Evans (Alcatel-Lucent Bell-Labs)
Pravin Shinde (ETH Zurich)
Traditional Pipes
AAA
BBB
ABABAB
AAA
BBB
ABA
BAB
Large Packets
AAA
BBB
AAA BBB
AAA
BBB
BBB
AAA
Collective Pipes
A
A
ABroadcast
Reduce(+)
Allreduce(+)
(B+C)
B
C
(A+B+C)
B
C
A
Enumerated Packets
1:A 2:B
A
B
A
B
B
A
Control Headers
TYPE
SIZE
DESTINATION
PARAMETERS
pwrite(pipefd, buf, sz, ~(0));
Splicing
spliceto(b) a b = a b
splicefrom(b) a b = a b
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