cuberite/libdeflate
1
0
Fork 0
mirror of https://github.com/cuberite/libdeflate.git synced 2025-09-08 03:39:25 -04:00
Code Issues Packages Projects Releases Wiki Activity

Add script to test gcc profile-guided optimizations

Browse Source
This commit is contained in:
Eric Biggers 2016-10-23 21:51:39 -07:00
parent 99d6e72b89
commit 0776bc94d7
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
tools/pgo_build.sh Executable file
View File

@ -0,0 +1,23 @@
#!/bin/bash
# Try gcc profile-guided optimizations
set -eu
MAKE="make -j$(grep -c processor /proc/cpuinfo)"
DATAFILE="$HOME/data/silesia"
$MAKE benchmark > /dev/null
echo "====================="
echo "Original performance:"
echo "---------------------"
./benchmark "$@" "$DATAFILE"
$MAKE CFLAGS=-fprofile-generate LDFLAGS=-fprofile-generate benchmark > /dev/null
./benchmark "$@" "$DATAFILE" > /dev/null
$MAKE CFLAGS=-fprofile-use benchmark > /dev/null
rm -f {lib,programs}/*.gcda
echo "=========================="
echo "PGO-optimized performance:"
echo "--------------------------"
./benchmark "$@" "$DATAFILE"