Tamarin:WeeklyUpdates: Difference between revisions

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''''Edwin''''
''''Edwin''''
* working on trace trees
* working on trace trees
** main strategy is "pruning" so trees don't get so "bushy"
** main strategy is "pruning" so trees don't get so "bushy"
* how do people feel about meeting twice a month, instead of every week?
* how do people feel about meeting twice a month, instead of every week?
** moh suggests it would be better to keep weekly meeting on the calendars
** moh suggests it would be better to keep weekly meeting on the calendars
** edwin, scott, or jennifer will send out a call for agenda items on mondays
** edwin, scott, or jennifer will send out a call for agenda items on mondays
*** if there are hot topics, we'll meet. if not, we won't.
*** if there are hot topics, we'll meet. if not, we won't.


''''Benjamin''''
''''Benjamin''''
* ACTION: needs tom to review bug 432692
* ACTION: needs tom to review bug 432692
'''Moh (Vtune)'''
'''Moh (Vtune)'''
* vtune patch for central has been checked in
* vtune patch for central has been checked in
** instructions are posted on tamarin wiki
** instructions are posted on tamarin wiki


''''Karthik''''
''''Karthik''''
* been trying to profile sunspider benchmark
* been trying to profile sunspider benchmark
** string-unpack provided an opportunity for optimization -- 4-5% improvement
** string-unpack provided an opportunity for optimization -- 4-5% improvement
** other benchmarks seem a bit too small for profling (run for less than 1 second)
** other benchmarks seem a bit too small for profling (run for less than 1 second)
 
* kathik will send patch to edwin, rick, or tom for review  
* kathik will send patch to edwin, rick, or tom for review
 


'''Mark'''
'''Mark'''
* had been preparing for a conference, where discussed the future of mozilla and tamarin.
* had been preparing for a conference, where discussed the future of mozilla and tamarin.
** lots of excitement!
** lots of excitement!
** interest in ironmonkey
** interest in ironmonkey
* will be catching up with compiler updates soon
* will be catching up with compiler updates soon


''''Graydon''''
''''Graydon''''
* has identified some more hotspots
* has identified some more hotspots
* submitted patch 424891 this week, which was more effective than all mini-tracing work so far.  wow!
* submitted patch 424891 this week, which was more effective than all mini-tracing work so far.  wow!
* ACTION: edwin wants to raise the priority of fixing string implementation -- The TT string optimization bug is https://bugzilla.mozilla.org/show_bug.cgi?id=411163
* ACTION: edwin wants to raise the priority of fixing string implementation -- The TT string optimization bug is https://bugzilla.mozilla.org/show_bug.cgi?id=411163
* steven is on vacation but interested in tracing                                                                                                                     
* steven is on vacation but interested in tracing                                                                                                                     
 
* ACTION: Per "callgrind" (call-graph profiler derived from "valgrind") - as hotspots are found, log bugs for them with profile data
* ACTION: Per"callgrind" (call-graph profiler derived from "valgrind") - as hotspots are found, log bugs for them with profile data


= Older meetings =
= Older meetings =

Revision as of 16:13, 26 March 2008

These updates concern Tamarin and related projects only.

Meeting Details

  • 2:00pm Pacific Time (21:00 UTC) on Tuesdays
    • (5PM Eastern US, 11PM Oslo, 6AM (Wed) Seoul, 7AM (Wed) Melbourne)
  • Location: Tel: 866 705 2554 (us), 913 227 1201 (int’l)
    • Passcode: 9140087
  • Duration: 60 minutes
  • join irc.mozilla.org #tamarin for attendence taking and questions

25th March 2008

Attendees

  • Adobe: Edwin, Jennifer, Scott, Erik, Rick, Dan
  • Mozilla: Graydon, Benjamin, Mark, Chris
  • Intel: Moh, Shengnan, Marsha, Karthik, Mingqui Sun

Action Items

  • ACTION: Edwin/Scott/or Jennifer to send out call for action items each Monday- these will be posted on the wiki
  • ACTION: Benjamin needs tom to review bug 432692
  • ACTION: Graydon: edwin wants to raise the priority of fixing string implementation -- The TT string optimization bug is https://bugzilla.mozilla.org/show_bug.cgi?id=411163
  • ACTION: Graydon: Per "callgrind" (call-graph profiler derived from "valgrind") - as hotspots are found, log bugs for them with profile data


Previous Action Items

  • ACTION: moh will look at GCbench test and suggest some optimizations. -- looked at memset and memcopy; optimizations are already in visual studio. will look at other platforms.
  • ACTION: tom will see if he can find additional GC/memset tests to recommend to moh and post to test directory. maybe GCheap?
  • ACTION: graydon will investigate Google "Summer of Code" agenda -- we're welcome to propose items to present.


Updates

'Edwin'

  • working on trace trees
    • main strategy is "pruning" so trees don't get so "bushy"
  • how do people feel about meeting twice a month, instead of every week?
    • moh suggests it would be better to keep weekly meeting on the calendars
    • edwin, scott, or jennifer will send out a call for agenda items on mondays
      • if there are hot topics, we'll meet. if not, we won't.

'Benjamin'

  • ACTION: needs tom to review bug 432692

Moh (Vtune)

  • vtune patch for central has been checked in
    • instructions are posted on tamarin wiki

'Karthik'

  • been trying to profile sunspider benchmark
    • string-unpack provided an opportunity for optimization -- 4-5% improvement
    • other benchmarks seem a bit too small for profling (run for less than 1 second)
  • kathik will send patch to edwin, rick, or tom for review

Mark

  • had been preparing for a conference, where discussed the future of mozilla and tamarin.
    • lots of excitement!
    • interest in ironmonkey
  • will be catching up with compiler updates soon

'Graydon'

  • has identified some more hotspots
  • submitted patch 424891 this week, which was more effective than all mini-tracing work so far. wow!
  • ACTION: edwin wants to raise the priority of fixing string implementation -- The TT string optimization bug is https://bugzilla.mozilla.org/show_bug.cgi?id=411163
  • steven is on vacation but interested in tracing
  • ACTION: Per "callgrind" (call-graph profiler derived from "valgrind") - as hotspots are found, log bugs for them with profile data

Older meetings

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