t bb - h ip h o p · ag end a ¥ m ultico re - parallelism - o pen parallel: ba ckg ro und and co...
TRANSCRIPT
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TBB - HipHop
!"#$%&'('))#)!"#$%&'()#"')*+,$-."'()&/0)1&'&,,(,)2"34+$-/5
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Integration of Intel's TBB into Facebook's
HipHopNicolás Erdödy
Lenz Gschwendtner
Sam Vilain
!"#$%&'('))#)!"#$%&'()#"')*+,$-."'()&/0)1&'&,,(,)2"34+$-/5
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This presentation discusses Open Parallel's model, the background and
major technology changes that originated it, its first major project
(2010-2011) sponsored by Intel, and explains the invitation for the audience
to be part of this and following projects
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Agenda
• Multicore - Parallelism - Open Parallel: Background and Context
• TBB - HipHop
• The Future (what we can do)
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The problem
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Certain things don't last forever
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The options
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You can chose to ignore it
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You can wait for help
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You can discuss in committees
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It's better to aim high
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Discuss Creative Solutions with all the
members of your Team
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Parallelism is out there
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But has some problems
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And you learned it here: S... Happens!
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So before you go for help somewhere else
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Let's discuss together, how to deal with it, because there are different options
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Multicore“The Trouble with Multicore”
(Chipmakers are busy designing microprocessors that most programmers can't handle)
Prof David Patterson, Berkeley (IEEE Spectrum, July 2010)
An entrepreneur's dream: a big gap in the market!
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Parallelism
Peter Denning (ACM) – Jack Dennis (MIT)
The Resurgence of Parallelism
(Communications of ACM – June 2010)
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About
Open Parallel Limited
Incorporated in 2010 in NZ, Open Parallel is a company supported by an ecosystem that works around parallel programming independently of the size of the problems.
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Background (2005 - 2008)
World45, first multicore software company in NZ - partner with Sun Microsystems
Niagara - NDPS - Otago University: first Sun OpenSparc Centre of Excellence outside US
Multicore Expo Santa Clara
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Those were the days!
!!!! We even went to the NBA!!
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The Transition 2008 - 2009
• MulticoreNZ - Japan
• Open Source Learning Lab
• LCA2010 - LCA2011 - Multicore and Parallel Computing Miniconf
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HipHop - what is it
• PHP to C++ compiler
• developed by Facebook
• not the only one (phc)
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why special
• dropped feature of core lang
• tuned towards performance
• no drop in replacement for Zend
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why bother?
• reduces resource consumption by 50-70%
• can use threading
• did I mention performance?
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WordPress -> HipHop
• patch set (remove eval statements)
• use hphpi for development
• results on github
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performance difference 1
• WordPress LAMP stack
• crashed the VM
• clearly we pushed it too hard
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performance difference 2
• WordPress HipHop stack
• responsive, worked nicely
• did we push it enough?
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TBB, what is it?
• open source threading lib
• easy to use
• Intel but runs on other platforms
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TBB in HipHop
• already used in memory management
• parallel_for extension
• extended PHP language
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TBB in WordPress
• run tasks in parallel
• hacked WordPress to use parallel_for
• compiled on HipHop
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performance difference 3
• even faster than HipHop
• even less resources than HipHop
• TBB rocks
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conclusion
• TBB and HipHop is a good fit
• HipHop can drastically speed up PHP
• HipHop can be hacked to certain needs
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!"#$%&'('))#)!"#$%&'()#"')*+,$-."'()&/0)1&'&,,(,)2"34+$-/5
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