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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/32558/
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(Updated April 9, 2015, 6:27 p.m.)
Review request for mesos, Joris Van Remoortere and Michael Park.
Changes
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Update includes per Ben Mahler's comments.
Bugs: MESOS-292
https://issues.apache.org/jira/browse/MESOS-292
Repository: mesos
Description
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Split the mesos master, slave flags into header + source file to
improve compile time significantly. Should be no functional changes.
Largely copy-paste, with a little reworking to remove unnecessary
headers from the .hpp, and order headers a little more reliably
(as well as remove duplicate includes) in the .cpp.
# Impact of these changes
`time make check -j8`
Before:
make check 2732.93s user 103.89s system 514% cpu 9:11.63 total
After:
make check 2421.18s user 96.60s system 506% cpu 8:16.67 total
4 core machine, 8 hypter threads enabled. SSD, 16 GB RAM,
Intel i7-4790K.
The numbers aren't incredibly stable (Other software running,
overclocking enabled, etc). They are a good general measure though of
speedup.
I do a `make check` rather than just `make` because that is what devs
do in a day-to-day flow, and if runtime is significantly impacted, it
will show up.
Test steps:
```
# Warm cache
../configure --disable-python --disable-java
make check
# Timed build
rm -rf *
../configure --disable-python --disable-java
time make check
```
Note: Similar, likely greater improvements in compile time would happen
if stout were made to not be header only. Specifically <stout/os.hpp>.
Diffs (updated)
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src/Makefile.am 9c01f5d6c692f835100e7cade928748cc4763cc8
src/logging/flags.hpp 4facb33201cee5a82451a13ca05607c875574752
src/logging/flags.cpp PRE-CREATION
src/master/allocator/allocator.hpp b67b8fddbd7a3fffc6fe24d5e77cd1db8cb6f69b
src/master/flags.hpp 85ce3285731c11b464aca6eaaa0a9165c73afebd
src/master/flags.cpp PRE-CREATION
src/slave/flags.hpp 3da71afad38ae41adefab979dbed2ae0b10a98ef
src/slave/flags.cpp PRE-CREATION
Diff: https://reviews.apache.org/r/32558/diff/
Testing
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make check on ArchLinux with GCC 4.9.2
make distcheck CentOS 7
Thanks,
Cody Maloney
