[Pl-seminar] Mon. 11/2 Seminar: Christoph Kirsch, Scalloc and Selfie: Fast Memory Allocation and Self-referential Systems Software

[William J. Bowman]

Correction:

Talk starts at 11:00am, not 10:00am.

-- 
William J. Bowman

On Tue, Oct 27, 2015 at 11:23:30AM -0400, William J. Bowman wrote:
> NUPRL Seminar presents
> 
> Christoph Kirsch
> University of Salzburg, Austria
> 
> Host: Jan Vitek
> 
> 10:00am
> Monday, November 2 2015
> Room 366 WVH (http://www.ccs.neu.edu/home/wand/directions.html)
> 
> 
> Scalloc and Selfie: Fast Memory Allocation and Self-referential Systems Software
> 
> Abstract:
> This talk is about scalloc, a fast, multicore-scalable,
> low-fragmentation memory allocator and selfie, a 4000-line
> implementation of a tiny self-compiling C compiler and a tiny
> self-executing MIPS emulator for teaching systems engineering. Scalloc
> is a typical example of a very complex, multi-year research effort while
> selfie is, at least for now, a purely educational, many-year effort in
> teaching compiler, operating system, and virtual machine design based on
> a single, highly principled software platform. So far scalloc and selfie
> only share the passion of their authors and are otherwise two distinct
> projects. Yet earlier versions of selfie, before they were even
> identified as such, were instrumental in bringing up the generation of
> students who did scalloc. The main ideas behind scalloc are: uniform
> treatment of small and big objects through so-called virtual spans,
> efficiently and effectively reclaiming free memory through fast and
> scalable global data structures, and constant-time (modulo
> synchronization) allocation and deallocation operations that trade off
> memory reuse and spatial locality without being subject to false
> sharing. The main ideas behind selfie are: a compiler written in and for
> a tiny subset of C called C* which uses the dereferencing * operator of
> C for memory access but lacks data structures and many other features
> and a MIPS emulator written in C* that can execute itself. Both are
> combined and extended by students to do very cool stuff.
> 
> Bio:
> Christoph Kirsch (http://cs.uni-salzburg.at/~ck/) is Professor at the
> University of Salzburg, Austria. From 1999 to 2004 he worked as
> Postdoctoral Researcher at UC, Berkeley. He later returned to Berkeley
> as Visiting Scholar (2008-2013) and Visiting Professor (2014) as part of
> a collaborative research effort in Cyber-Physical Systems. His most
> recent research interests are in concurrent data structures, memory
> management, and so-called spatial programming. Dr. Kirsch co-invented
> embedded programming languages and systems such as Giotto, HTL, and the
> Embedded Machine, and more recently co-designed high-performance,
> multicore-scalable concurrent data structures and memory management
> systems. He co-founded the International Conference on Embedded Software
> (EMSOFT) and served as ACM SIGBED chair from 2011 until 2013 and ACM
> TODAES associate editor from 2011 until 2014.
> 
> 
> -- 
> William J. Bowman
> 
> Northeastern University
> College of Computer and Information Science



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