[Pl-seminar] Correction: 11/20 Seminar: Emery Berger, Performance Matters

[William J. Bowman]

Correction: Seminar is Friday, Nov. 20th, 2015.

-- 
William J. Bowman

On Mon, Nov 16, 2015 at 02:43:43PM -0500, Mitchell Wand wrote:
> 11/21/15 is Saturday.
> 
> On Mon, Nov 16, 2015 at 2:43 PM, William J. Bowman <wilbowma at ccs.neu.edu>
> wrote:
> 
> > NUPRL Seminar presents
> >
> > Emery Berger (http://emeryberger.com/)
> > U. Massachusetts, Amherst
> >
> > Host: Jan Vitek
> > 10:30am
> > Friday, Nov. 21, 2015
> > Room 366 WVH (http://www.ccs.neu.edu/home/wand/directions.html)
> >
> >
> > Performance Matters
> >
> > Abstract:
> >
> > Performance clearly matters to users. The most common software update on
> > the AppStore *by far* is "Bug fixes and performance enhancements." Now that
> > Moore's Law Free Lunch has ended, programmers have to work hard to get high
> > performance for their applications. But why is performance so hard to
> > deliver?
> >
> > I will first explain why our current approaches to evaluating and
> > optimizing performance don't work, especially on modern hardware and for
> > modern applications. I will then present two systems that address these
> > challenges. Stabilizer is a tool that enables statistically sound
> > performance evaluation, making it possible to understand the impact of
> > optimizations and conclude things like the fact that the -O2 and -O3
> > optimization levels are indistinguishable from noise (unfortunately true).
> >
> > Since compiler optimizations have largely run out of steam, we need better
> > profiling support, especially for modern concurrent, multi-threaded
> > applications. Coz is a novel "causal profiler" that lets programmers
> > optimize for throughput or latency, and which pinpoints and accurately
> > predicts the impact of optimizations. Coz's approach unlocks numerous
> > previously unknown optimization opportunities. Guided by Coz, we improved
> > the performance of Memcached by 9%, SQLite by 25%, and accelerated six
> > Parsec applications by as much as 68%; in most cases, these optimizations
> > involved modifying under 10 lines of code.
> >
> > This talk is based on work with Charlie Curtsinger published at ASPLOS
> > 2013 (Stabilizer) and SOSP 2015 (Coz), where it received a Best Paper Award.
> >
> >
> > Bio:
> > Emery Berger is a Professor in the College of Information and Computer
> > Sciences at the University of Massachusetts Amherst, the flagship campus of
> > the UMass system. He graduated with a Ph.D. in Computer Science from the
> > University of Texas at Austin in 2002. Professor Berger has been a Visiting
> > Scientist at Microsoft Research (7 times) and at the Universitat
> > Politecnica de Catalunya (UPC) / Barcelona Supercomputing Center (BSC).
> >
> > Professor Berger’s research spans programming languages, runtime systems,
> > and operating systems, with a particular focus on systems that
> > transparently improve reliability, security, and performance. He is the
> > creator of a number of influential software systems including Hoard, a fast
> > and scalable memory manager that accelerates multithreaded applications
> > (used by companies including British Telecom, Cisco, Crédit Suisse,
> > Reuters, Royal Bank of Canada, SAP, and Tata, and on which the Mac OS X
> > memory manager is based); DieHard, an error-avoiding memory manager that
> > directly influenced the design of the Windows 7 Fault-Tolerant Heap; and
> > DieHarder, a secure memory manager that was an inspiration for hardening
> > changes made to the Windows 8 heap.
> >
> > His honors include a Microsoft Research Fellowship, an NSF CAREER Award, a
> > Lilly Teaching Fellowship, a Most Influential Paper Award at OOPSLA 2012, a
> > Google Research Award, a Microsoft SEIF Award, a Best Artifact Award at
> > PLDI, and Best Paper Awards at FAST, OOPSLA, and SOSP; he was named an ACM
> > Senior Member in 2010. Professor Berger is currently a Member of the
> > SIGPLAN Executive Committee and an Associate Editor of the ACM Transactions
> > on Programming Languages and Systems, and will serve as Program Chair for
> > PLDI 2016.
> >
> > --
> > William J. Bowman
> >
> > Northeastern University
> > College of Computer and Information Science
> >
> > _______________________________________________
> > pl-seminar mailing list
> > pl-seminar at lists.ccs.neu.edu
> > https://lists.ccs.neu.edu/bin/listinfo/pl-seminar
> >
> >
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