Advogato: Personal info for mulix

mulix is currently certified at Master level.

Name: Muli Ben-Yehuda
Member since: 2000-06-19 13:30:41
Last Login: 2009-07-02 13:59:35

Notes: In no particular order, I am a proud member and sometimes lecturer of the Haifa Linux Club (haifux), chief code mangler and bug maker extraordinaire for the syscalltrack project, an occasional Linux kernel hacker (for work and for play), Sometimes, I'm also a human being, and a researcher at IBM's Haifa Research Lab.

Projects

Lead Developer on syscalltracker
Developer on r2l
Developer on haifux
Contributor on advodiary
Contributor on user-mode-linux
Developer on Evangelism
Helper on kernelnewbies
Lead Developer on Hamakor
Developer on Linux
Developer on Xen VMM

Recent blog entries by mulix

Syndication: RSS 2.0

7 Apr 2009 »

SYSTOR 2009 Call for Participation

                   CALL FOR PARTICIPATION

    SYSTOR 2009---The Israeli Experimental Systems Conference
       http://www.haifa.il.ibm.com/conferences/systor2009/
                        4-6 May 2009
                        Haifa, Israel

Registration deadline: May 2nd

SYSTOR 2009, the Israeli Experimental Systems Conference, will be held
at IBM Haifa Labs, in Haifa, Israel. The conference program will run
over three days, combining the forefront of academic systems research
with real-world systems developed in industry. The goal of the
conference is to promote systems research and to foster stronger ties
between the Israeli and worldwide systems research communities and
industry. Conference proceedings will be published by ACM in the ACM
Digital Library.

There is a limited number of seats available on a
first-come-first-served basis upon registration at
http://www.haifa.ibm.com/conferences/systor2009/registration.shtml
(registration is free of charge). Lunch and refreshments will be
served on all three days courtesy of IBM Haifa Labs.

The first day of the conference will feature sessions on distributed
systems, concurrency, and power management. Marc Snir, University of
Illinois at Urbana Champaign, will give a keynote talk, and in the
afternoon a student poster session with sweet refreshments will be
held.

The second day will begin with the keynote "Towards Invisible Storage"
by Alain Azagury, Director, XIV Business Executive, IBM, and an
invited talk on "The Next Generation Data Center" by Michael Kagan,
Mellanox CTO. After the morning talks, there will be paper sessions
focusing on data de-duplication and storage issues. The day will end
with an optional social event in Caesarea.

The third day will conclude the conference with paper sessions on
virtualization and system optimizations, and a panel of well-known
systems researchers who will debate "What is Systems Research about
and is it Relevant?" The full program for all three days is available
on the conference website.

We look forward to seeing you at SYSTOR 2009!

SYSTOR Advisory Committee
    * Marc Auslander, IBM
    * Ken Birman, Cornell
    * Danny Dolev, HUJI
    * Julian Satran, IBM
    * Marc Snir, UIUC
    * Willy Zwaenepoel, EPFL

Program Chairs
    * Michael Factor, IBM
    * Dror Feitelson, HUJI

General Chair
    * Miriam Allalouf, IBM

Publicity Chair
    * Muli Ben Yehuda, IBM

Publication Chair
    * Gregory Chockler, IBM

Syndicated 2009-04-07 13:04:17 from Muli Ben-Yehuda

4 Apr 2009 »

miscellany

I want to update this thing more often, but there's so much going on, the days filled with action and counter-action, that before I know it it's past midnight, and I have to wake up at 5 AM for a workout, and updating the blog is left on the TODO list for yet another day. Like, today.

So, content?

I've been a manager for a month and change now, managing the virtualization and systems architecture group at the lab. It's an interesting challenge (which is why I agreed to do it), often frustrating, occasionally exhilarating. To my surprise, the part I like most is dealing with human beings in their myriad forms. To my non-surprise, the part I like least is the bureaucracy, but I figured I'd wait a couple more months before I start tilting at wind-mills. I still write code (well, debug code, mostly) and conduct research, but it's no longer the most important part of my day.

On the research front, we had two papers accepted to ICAC 2009 (one full paper and one short paper/poster), both in the general area of treating virtual machines as black boxes and inferring useful things about them---performance bottlenecks and boot-time--via statistical analysis of their inputs and outputs. Another paper, on the DMA mapping problem in direct assignment, was not accepted to USENIX ATC to my disappointment, and we are now revising it while looking for a new home.

I am continuing to work out twice a week with a private trainer who is seriously kicking my butt. It's rare when I don't finish a workout on the brink of exhaustion, drenched in sweat. I *love* it. Twice a week is no longer enough---I crave the endorphin rushes and sore muscles---so I've also re-started going for long walks, and hitting the punching bag in the back-yard like I really mean it. The kilograms are coming off, too, an added bonus.

Last but not least, SYSTOR 2009 is coming up next month, with a great program combining academic research and real-world systems. See y'all there!

Syndicated 2009-04-04 21:14:13 from Muli Ben-Yehuda

28 Jan 2009 »

It's 5:40 AM. I am is sitting in an empty room full of half-assembled furniture, waiting for the personal trainer to arrive and whip my ass into shape.

Syndicated 2009-01-28 03:52:03 from Muli Ben-Yehuda

23 Dec 2008 »

There will be a half-day workshop at the Technion's EE department on Thursday afternoon on "Technology Transfer - from Academy to Industry" which looks mildly interesting. I am on nominally on vacation this week and flying to Italy that night, but perhaps I'll go anyway. Anyone else planning to go?

Syndicated 2008-12-23 21:21:41 from Muli Ben-Yehuda

10 Dec 2008 »

Scalable I/O paper online

Our new paper is online: "Scalable I/O---A Well-Architected Way to Do Scalable, Secure and Virtualized I/O", by Julian Satran, Leah Shalev, Muli Ben-Yehuda, and Zorik Machulsky. This is an overview paper showcasing the main ideas underlying a system we've been working on on and off since 2004. It's not as detailed as I would've liked due to the space constraints, but hopefully it will be followed by more detailed papers. The slides I'll be presenting later today at WIOV '08 are also available and go into a bit more details in areas.

Today in both virtualized and non-virtualized systems the entire I/O functionality is based on device drivers. They are central to any system structure; both anecdotal and informed evidence indicates device drivers as a major source of trouble in the classical OS and a source of scaling and performance issues in virtual I/O, due to "trusted intermediary" required for the shared I/O. We propose an architecture which virtualizes the entire I/O subsystem rather than each I/O device, and provides device-independent I/O at higher level of abstraction than the traditional I/O interfaces. In our suggested architecture the system robustness is increased by isolating drivers; efficient and scalable virtualization becomes possible by a complete separation of the I/O and compute function and introducing a protection model that does not require a trusted intermediary for I/O.

Syndicated 2008-12-10 19:18:25 from Muli Ben-Yehuda

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