TPEPerformance/2016-05-19

cervantes

bug 1268900 NEW:: Add opt-in way to immediately deserialize a message after serializing it
- has a working prototype
- working on the code generation part
bug 1258317 REOPENED:: crash in mozilla::ipc::TransferHandleToProcess (PBackground related)
- updated patch pt 2. Requesting review.
- Working on pt3 patch
bug 1264566 NEW:: [e10s] UAC error message "Acces Denied" when doing action on file/folder after upload in Firefox with form submit
- Helped investigating bug 1264566

bug 1262210 NEW:: Creating objects without properties is slower than creating objects with properties
- following the current analysis and the result of Gecko profiler, the issue should occur inside the asm code JIT generated. I need to trace the JIT pattern and rules.
- Dumped and checking the assembly code generated from IonMonkey
- Reading JIT generated VMFunction calls and assembly to find out the cause of performance gap
- Tracing why tracelogger won't work

Checked crashes from 5/16 nightly for uptime
bug 1271931 UNCONFIRMED:: Conditional jump or move depends on uninitialised value(s) mozilla::PaintedLayerData::Accumulate (FrameLayerBuilder.cpp:3320)
- Analyzed assembly output of clang to find out the false positive reported by valgrind
bug 1273203 ASSIGNED:: Remove the getStructuredData API from BrowserElement
- Review
bug 1264642 ASSIGNED:: Reduce the contiguous address space needed for StructuredClone serialization
- Start to rebase patches on top of BufferList<T>

bug 1225654 NEW:: GTA CSS demo renders incorrectly and slowly
- fix TryUpdateTransformOnly for perserve-3d.

Checked crashes from 5/15 nightly for uptime
bug 1259512 NEW:: [e10s] significantly higher rates of OOM crashes in the content process of Firefox with e10s than in the main process of non-e10s
- read minidumps to check why there're so many tiny (<1M) blocks in virutal space
- tried to break at VirtualAlloc* to find the piece of code allocating PAGE_WRITECOMBINE, but no luck
bug 1267329
- separated the patch to two parts, one for google breakpad and one for nsExceptionHandler
bug 1110596
- tried to make a patch based on :mccr8's proposal, but found difficulties

bug 1273079 NEW:: Use MOZ_MUST_USE in hal
- review granted
- backed out, fixed and request check in again
bug 1264566 NEW:: [e10s] UAC error message "Acces Denied" when doing action on file/folder after upload in Firefox with form submit
- Investigating

This report is automatically generated by https://github.com/kanru/standups_weekly and then manually edited