mathieu is currently certified at Master level.
Name: mathieu lacage
Member since: 1999-11-13 09:11:06
Last Login: 2007-11-27 16:04:44
Homepage: http://cutebugs.net
Notes:
I wrote (and still write from time to time) a lot of
Gnome developer documentation as well as a few articles on
software development. Most of this stuff is archived on my
homepage.
I created and organized the first GUADEC back in
2000 when I was a student. I also worked at Eazel on
gnome's next generation graphical shell/desktop,
Nautilus, for 6 months as an intern.
These days, I
work at the inria in
Sophia Antipolis (somewhere on the french riviera). I do
software developement for the research teams active in the
field of networking. I have also a few pieces of code lying
around on my HD but I am not very happy with any of these
which is why none of it has been released.
To
reach me, try mathieu at gnu dot org
Projects
Articles Posted by mathieu
Recent blog entries by mathieu
26 Mar 2005 »
I hate dealing with my hardware. This always feels like a complete waste of time to me. Today, after a few weeks of suffering from the lack of responsiveness of my 802.11b router (a netgear MR814v2), I got bored and looked into it.
The bottomline is that it looks like this crappy router tries to be too smart for me: it performs correctly the PPPoE connection with my ISP, gets an IP address, a set of DNS servers and a gateway IP. However, when it serves DHCP OFFER replies to my LAN machines, it replaces the DNS servers' IPs with its own IP to make sure that all DNS traffic goes through it. The bad thing about this is that it seems that this DNS server running on the router is completely flakey: it replies less than once out of 10 to my DNS requests...
If you know a way to either make this stupid hardware not be a DNS server or to get a replacement device for free (preferably, another model/brand), let me know :)
1 Mar 2005 »
I have what I believe is an interesting problem: I have a function which calculates something which is really costly. I would like to add a cache to it. The input is a single 64 bit integer and the output is also a single 64 bit integer. Ideally, I would allocate the cache on the stack before calling the function and it would be really small because the number of really widely used entries is really small (maybe 10 to 30).
There are many solutions to this problem (all sorts of hash tables, etc.) but I have the feeling that my interest is to make sure that the really hot entries are always in the cache so I am interested in finding a good algorithm to decide what entry gets into the cache and what entries get removed from it while minimizing the size of the cache. Obviously, there is a large design space here with lots of compromises to be made (speed, accuracy of the cache with regard to hotness and cache size) but I wonder whether there exist a clear winning technique to do this.
7 Feb 2005 »
I just cannot cope with the fact that I have to deal with ns2. This really is driving me crazy. Not only is this code absolutely horrible (large classes such cmu-trace.cc are nests of switch/if statements which should be moved in various methods over the objects upon which they act, etc.) but the one release a year does not build out of the box and cannot possibly build out of the box. This gives me the feeling no one cares enough to perform at least a single sandboxed build before releasing the code.
And I am required to write beautiful/good code in this fugly incredibly horrible framework and I can do nothing to fix the framework. Frustration is driving me nuts.
357 older entries...
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