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Hackery: Difference between revisions

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* "taking [[OpenSSL|OpenSSL's]] <tt>RAND_bytes()</tt> (which uses <tt>/dev/urandom</tt>, EGD, or a pregenerated seed file) function and stirring that into a target buffer of arbitrary length, such that use of actual high-quality entropy bits is constant (probably a read of several words each time a thread calls into (threadsafe from the start, no *_r() crap!) <tt>FAUXRAND_bytes()</tt> for the first time) has been on my plate since...well, since just now." (mail to Dr. Richard Vuduc, 2009-09-19)
* "taking [[OpenSSL|OpenSSL's]] <tt>RAND_bytes()</tt> (which uses <tt>/dev/urandom</tt>, EGD, or a pregenerated seed file) function and stirring that into a target buffer of arbitrary length, such that use of actual high-quality entropy bits is constant (probably a read of several words each time a thread calls into (threadsafe from the start, no *_r() crap!) <tt>FAUXRAND_bytes()</tt> for the first time) has been on my plate since...well, since just now." (mail to Dr. Richard Vuduc, 2009-09-19)
* [[mpd]] ought use filesystem change notification events to trigger database changes, not periodic or manual rescans
* [[mpd]] ought use filesystem change notification events to trigger database changes, not periodic or manual rescans
==Various open source contributions (very incomplete)==
* [http://www.wireshark.org/about.html Wireshark]:
** [http://www.ethereal.com/lists/ethereal-users/200402/msg00153.html Fixed handling] of IPv4 fragmentation bits.
* [[Linux APIs|Linux kernel]]:
** [http://lkml.org/lkml/2010/5/4/6 Added support] for Model-30 [[Nehalem]] processors in [[Oprofile]] ([http://marc.info/?l=linux-kernel&m=127294830417492&w=2 more discussion] on oprofile-users)
** [http://lkml.indiana.edu/hypermail/linux/kernel/0906.3/02414.html Addressed issues] in [[pages|HugeTLBFS]]'s API.
** [http://lkml.indiana.edu/hypermail/linux/net/0301.1/0037.html Addressed] an issue in IPv4 address/route removal.
** Worked out some kinks in Matrox G400 framebuffer and SiS-5591 IDE drivers.
* [http://sourceforge.net/projects/strace/ strace]:
** [http://www.mail-archive.com/strace-devel@lists.sourceforge.net/msg00614.html Addressed issues] in various architectures' [[Linux APIs|sendfile(2)]] support.
* [http://www.codemonkey.org.uk/projects/x86info/ x86info]:
** [http://git.choralone.org/?p=x86info.git;a=commit;h=17d9bf43f775f5a780bcccbca52e2ce37c3ca1f1 fixed] feature-specific TLB and cache detection
** [http://git.choralone.org/?p=x86info.git;a=commit;h=a8af3758826f545b289a40ecefa627de1e5e9e90 added] support for several Intel caches


==Projects with their own pages==
==Projects with their own pages==
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* ploom -- pthreads debugging from process (tracing framework, object lookup + pthread knowledge, contention measures, etc)
* ploom -- pthreads debugging from process (tracing framework, object lookup + pthread knowledge, contention measures, etc)


==Aborted projects (very incomplete)==
==Aborted/abandoned projects (very incomplete)==
* Investigate [[suffer]] and see whether it's feasible (update: [http://www.cs.ubc.ca/~davet/fbcmd/ fbcmd] hendels its dendels [[User:Dank|Dank]] 23:05, 8 December 2008 (UTC))
* Investigate [[suffer]] and see whether it's feasible (update: [http://www.cs.ubc.ca/~davet/fbcmd/ fbcmd] hendels its dendels [[User:Dank|Dank]] 23:05, 8 December 2008 (UTC))
* [[Gyre]], a programming language.
* [[Gyre]], a programming language.
==Various open source contributions (very incomplete)==
* [http://www.wireshark.org/about.html Wireshark]:
** [http://www.ethereal.com/lists/ethereal-users/200402/msg00153.html Fixed handling] of IPv4 fragmentation bits.
* [[Linux APIs|Linux kernel]]:
** [http://lkml.org/lkml/2010/5/4/6 Added support] for Model-30 [[Nehalem]] processors in [[Oprofile]] ([http://marc.info/?l=linux-kernel&m=127294830417492&w=2 more discussion] on oprofile-users)
** [http://lkml.indiana.edu/hypermail/linux/kernel/0906.3/02414.html Addressed issues] in [[pages|HugeTLBFS]]'s API.
** [http://lkml.indiana.edu/hypermail/linux/net/0301.1/0037.html Addressed] an issue in IPv4 address/route removal.
** Worked out some kinks in Matrox G400 framebuffer and SiS-5591 IDE drivers.
* [http://sourceforge.net/projects/strace/ strace]:
** [http://www.mail-archive.com/strace-devel@lists.sourceforge.net/msg00614.html Addressed issues] in various architectures' [[Linux APIs|sendfile(2)]] support.
* [http://www.codemonkey.org.uk/projects/x86info/ x86info]:
** [http://git.choralone.org/?p=x86info.git;a=commit;h=17d9bf43f775f5a780bcccbca52e2ce37c3ca1f1 fixed] feature-specific TLB and cache detection
** [http://git.choralone.org/?p=x86info.git;a=commit;h=a8af3758826f545b289a40ecefa627de1e5e9e90 added] support for several Intel caches
[[Category: Projects]]
[[Category: Projects]]