OVM Build Performance

Elapsed Time by Host and Compiler

We measure the build speed of bash and dash for comparison.

host label compiler label src dir action elapsed secs
flanders gcc bash-4.4 configure 33.8
flanders gcc bash-4.4 make 66.6
flanders gcc dash-0.5.9.1 configure 5.9
flanders gcc dash-0.5.9.1 make 7.5
flanders gcc oil-0.7.pre7 configure 1.6
flanders gcc oil-0.7.pre7 _bin/oil.ovm 46.0
flanders gcc oil-0.7.pre7 _bin/oil.ovm-dbg 16.9
flanders clang oil-0.7.pre7 configure 1.6
flanders clang oil-0.7.pre7 _bin/oil.ovm 40.3
flanders clang oil-0.7.pre7 _bin/oil.ovm-dbg 13.8
lisa gcc bash-4.4 configure 13.9
lisa gcc bash-4.4 make 25.9
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.1
lisa gcc oil-0.7.pre7 configure 0.6
lisa gcc oil-0.7.pre7 _bin/oil.ovm 18.4
lisa gcc oil-0.7.pre7 _bin/oil.ovm-dbg 6.1
lisa clang oil-0.7.pre7 configure 0.6
lisa clang oil-0.7.pre7 _bin/oil.ovm 13.7
lisa clang oil-0.7.pre7 _bin/oil.ovm-dbg 4.7

Binary Size

The oil binary has two portions:

  1. Architecture-independent bytecode.zip
  2. Architecture- and compiler- dependent native code (_build/oil/ovm*)

host label path num bytes bytecode size native code size
flanders _tmp/ovm-build/bin/clang/oil.ovm 3,519,343 2,511,039 1,008,304
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,252,311 2,511,039 2,741,272
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,600,791 2,511,039 1,089,752
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,986,863 2,511,039 2,475,824
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,519,343 2,511,039 1,008,304
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,252,311 2,511,039 2,741,272
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,600,791 2,511,039 1,089,752
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,986,863 2,511,039 2,475,824

Host and Compiler Details

host label host id
flanders flanders-3492acc1
lisa lisa-b43270f9
compiler label compiler id
gcc gcc-816edb3d
clang clang-768eb1ae