[CS382M:19] Fwd: Computer Architecture Seminar Reminder: John Mashey, TODAY FYI - in case you are interested..... Begin forwarded message: > From: "Gem Naivar"  > Date: October 7, 2005 10:41:00 AM CDT > To: arch-seminar@lists.cc.utexas.edu > Subject: Computer Architecture Seminar Reminder: John Mashey, TODAY > Reply-To: arch-seminar@lists.cc.utexas.edu > > Event:    Computer Architecture Seminar Series >           http://www.cs.utexas.edu/users/cart/arch > > Speaker:  John Mashey >           Techviser > > Title:    "Summarizing Performance Is No Mean Feat" > > Date:     Friday, October 7, 2005 > > Time:     1:00 pm > > Place:    ACES 2.302 > > Coffee:   12:30 pm > > Host:     Lizy John > > > ABSTRACT: > > For decades, computer benchmarkers have fought a War of Means, arguing   > over > proper uses of Arithmetic, Harmonic, and Geometric Means, starting in   > the > mid-1980s. One would think this basic issue of computer performance   > analysis > would have been long resolved, but contradictions are still present in   > some > excellent and widely-used textbooks. > > This talk offers a framework that resolves these issues and includes   > both > workload analyses and relative performance analyses (such as SPEC or   > Livermore > Loops), emphasizing differences between algebraic and statistical   > approaches. > In some cases, the lognormal distribution is found to be quite useful, > especially with appropriate forms of standard deviation and confidence   > interval > used to augment the usual Geometric Mean. Results can be used to   > indicate the > relative importance of careful workload analysis. > > BIOGRAPHY: > > Dr. John R. Mashey is a consultant for venture capitalists and   > technology > companies, but has been involved off-and-on in computer performance   > analysis > for 35 years.  He is "an ancient UNIX person," having started work on   > it at > Bell Labs in 1973, and continuing to work there for 10 years,   > including design > of the UNIX per-process accounting software.  He moved to Silicon   > Valley in > 1983 to join Convergent Technologies, ending as director of software.   > Mashey > joined MIPS Computer Systems in early 1985, managing operating systems > development, and helping design the MIPS RISC architecture, as well as   > specific > CPUs, systems and software. He continued similar work at SGI (1992 -   > 2000) most > recently contributing to the design of SGI's NUMAflex modular computer > architecture, ending as VP and Chief Scientist. > > Mashey was one of the founders of the SPEC benchmarking group, was an   > ACM > National Lecturer for four years, has been guest editor for IEEE   > Micro, and > one of the long-time organizers of the Hot Chips conferences.   > Additionally, he > has chaired technical conferences on operating systems and CPU chips,   > and has > given more than 500 public talks on software engineering, RISC design, > performance benchmarking and supercomputing. He is a Trustee of the   > Computer > History Museum. > > He holds a Ph.D. in Computer Science from Pennsylvania State   > University. > > -----------------------------------------------------------------------  > --- > > The Computer Architecture Seminar Series is sponsored jointly by the > Departments of Computer Science and Electrical & Computer Engineering   > and is > supported by a grant from AMD. > > -----------------------------------------------------------------------  > ------ > > Scalable Yahoo Map of 24th & Speedway: > http://maps.yahoo.com/py/maps.py?  > Pyt=Tmap&addr=2400+Speedway&csz=Austin%2C+T > X&Get+Map=Get+Map > > Parking for off-campus visitors: We suggest that you park in the San   > Jacinto > parking garage (formerly PG1) at 24th & San Jacinto.  Parking   > validation will > be available. Please contact the host for this seminar or stop by the > refreshment cart to have your parking validated. > > Submap including San Jacinto Parking Garage: > http://www.utexas.edu/maps/main/areas/law.html > > Submap including ACES:   > http://www.utexas.edu/maps/main/areas/eastmall.html > > Please contact Gem Naivar at gem@cs.utexas.edu if you need any further > information to attend the seminar. > Steve Keckler                                        Computer   Architecture and Technology Lab Associate Professor                             Tel:    (512) 471-9763 Department of Computer Sciences   Dept:   (512) 471-7316 1 University Station C0500                 Fax:    (512) 232-1413 The University of Texas at Austin      E-mail:  skeckler@cs.utexas.edu Austin, TX 78712-0233                          http://www.cs.utexas.edu/users/skeckler