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Name: Mart Raudsepp
Member since: 2005-11-27 21:15:56
Last Login: 2007-01-10 11:05:55

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wxMUD, OMGUI, wxWidgets hacker. This blog has moved to http://planet.gentoo.org/developers/leio and this is a syndication

Recent blog entries by leio

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So I'm sitting here at the Tallinn airport with Priit Laes and waiting our flight to Barcelona. 15 minutes till boarding, I hear. There 17:05 local time according to the flight plans. See you at GUADEC!!

Oh, and I had a birthday two days ago. You can now say that I'm really old. 22 years old to be exact. I think I should start taking mud baths to get used to the ground - year and year closer to that :P

Google Summer of Code projects

A bit late, but better than never : The project proposals that have been accepted to be done during the Summer have been decided, and such is the case for wxWidgets as well. The following projects will be done during the summer by the enthusiastic students interested in wxWidgets:

* Improvements and fixes on the network classes of the wxWidgets library - Angel Vidal Veiga will be working on our wxSocket family of classes: finalizing wxDatagramSocket, reworking platform specific code (making and keeping as much common code as possible), cleaning and documenting wxSocket* classes, improve the situation of sockets in wxBase case, and hopefully also add proxy support. He has a blog here.

* wxWidgets components package manager - Francesco Montorsi will be working on a cross-platform application which would make easy for developers to download, compile and install 3rd party wxWidgets-based libraries (aka components or packages).

* Adding RTL support to wxWidgets - Diaa Mahmoud Sami will be working on adding some Right-to-Left support infrastructure, mainly based on wxMSW and sizers.

* There is no fourth. But three is still better than zero.

I hope we can work with some of the great students in the future that had a proposal but unfortunately didn't make the top three. As none of the top three weren't in my area of expertise, I'm not mentoring any of the above, but that's not a problem as long all of the three will be a success :)

I will also keep a close eye on some of the other organizations accepted proposals, mainly GNOME related. Perhaps more on those later.

wxWidgets website

We had our new website design from Kevin Ollivier and co go live!

Hopefully it meets the modern days expectations of a, uh, website. I'm sure constructive criticism is welcome on the wx-users mailing list. Hopefully I'll get around to updating those ancient gtk1 based wxGTK screenshots at some point...


I bought my airplane tickets today to Barcelona for 23rd of June. Supposedly a train there goes to Vilanova :) I will be staying until the morning of 2nd July.

Oh, yeah, I haven't mentioned on here before that I'm going to GUADEC. So, consider it a known thing now. I'm going. Many thanks to the ever so busy Quim Gil and all the sponsors who make it possible for me to attend.

If you are attending and are someone I know (say, from wxWidgets, Gentoo or otherwise) feel free to post me a mail, so we can meet there. I'll be busy meeting all the GNOME developers anyhow, so from you guys (GNOME devs) I don't need any mail *g*

This will be my first conference of any kind regarding GNOME and Open Source, so I'm pretty excited. I only recall RMS speaking in my college regarding anything vaguely similar before.

See you there!

I am pleased to announce again that wxWidgets is a mentoring organization for the Google Summer of Code initiative, and that we are accepting applications now.

If you are a student with some free time this summer, then you can be one of many who will be selected to work for 4500 USD on open source projects. Find out more about Google Summer of Code, and sign up here.

The list of project suggestions is here. You can also come up with your own ideas, and each of them certainly take some elaborations for the final project application to be accepted. I will be a mentor of selected wxGTK and general projects.

Happy applying and participating! Don't miss the deadline!

29 Apr 2006 (updated 30 Apr 2006 at 11:51 UTC) »

Long time no blogging. Hmm, maybe I should work on that more.

So, I have some news and discoveries here.

wxWidgets and Google Summer of Code

wxWidgets has been accepted as a Google Summer of Code Mentoring Organization. And guess what, I'm a possible mentor :)

I did some quick (and lame) elaborations on some of the items on our project ideas list. I'll do some better elaboration on the items that I have knowledge about once I've slept and had my morning coffee after that :) Perhaps I'll also add some, will have to think about possible projects a bit more deeply.

So, if you qualify for the Google Summer of Code as a student and have some interest towards our great cross-platform framework, make sure to check the list out regularly and stay tuned! Other mentors are hopefully working on elaborating on the worthy ideas as well, but you could of course always have your own, too! Check Google's SoC Students FAQ about that, I guess.

Me, wxWidgets and Gentoo Linux

I was contacted by a Gentoo developer a while back with a query if I'd be interested in helping maintain the wxWidgets related ebuilds in Gentoo's portage tree. Seeing the sad state of wxWidgets in Gentoo, and having thought about helping out earlier, I of course agreed, and we've version bumped wxGTK and wxPython to version by now in unstable and some application version bumps as well, together with clean-ups to the ebuilds in question. Now I have this ebuild quiz here... we'll see what happens related to that ;)

The sad state of wxWidgets related packages in Gentoo is hopefully over soon.

Linux-2.6.16 and cold benchmarking

I stumbled on a easy to parse list of new stuff in Linux, and found out that Linux-2.6.16 has now support for dropping the clean caches, dentries and inodes from memory, causing that memory to be free. This effectively means that there is an end to the ugly hacks some of us in the performance and benchmarking crew (GNOME rockstars) were doing to do benchmarks with a cold disk cache. Reading large unrelated files to get the relevant-to-benchmark disk data out of RAM and other dirty things.

Just "echo 3 >/proc/sys/vm/drop_caches" with a 2.6.16 or newer kernel, and all the disk cache and other stuff is gone with the wind. The multiload_applet-2 also instantly shows the effect - the buffers and cached memory color is replaced with the color for "free memory" :)

From kernelnewbies.org the description: "Add /proc/sys/vm/drop_caches. Writing to this will cause the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free. This is mainly useful for benchmarking, for getting consistent results between filesystem benchmarks without rebooting. To free pagecache: "echo 1 > /proc/sys/vm/drop_caches", to free dentries and inodes: "echo 2 > /proc/sys/vm/drop_caches", to free pagecache, dentries and inodes: "echo 3 > /proc/sys/vm/drop_caches". As this is a non-destructive operation and dirty objects are not freeable, the user should run `sync' first (commit)"

Of course there is lots of hot cache benchmarking to do, lots of low hanging fruit to pick in the performance land. So cold benchmarking isn't all that interesting just yet. Nevertheless this thing can be helpful once in a while.

That's it folks. Someone should beat me to blog more often, or something.

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