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 30.8
flanders gcc bash-4.4 make 53.3
flanders gcc dash-0.5.9.1 configure 5.7
flanders gcc dash-0.5.9.1 make 6.7
flanders gcc oil-0.6.pre9 configure 1.4
flanders gcc oil-0.6.pre9 _bin/oil.ovm 36.4
flanders gcc oil-0.6.pre9 _bin/oil.ovm-dbg 13.4
flanders clang oil-0.6.pre9 configure 1.4
flanders clang oil-0.6.pre9 _bin/oil.ovm 31.4
flanders clang oil-0.6.pre9 _bin/oil.ovm-dbg 11.8
lisa gcc bash-4.4 configure 13.7
lisa gcc bash-4.4 make 24.6
lisa gcc dash-0.5.9.1 configure 2.7
lisa gcc dash-0.5.9.1 make 2.9
lisa gcc oil-0.6.pre9 configure 0.6
lisa gcc oil-0.6.pre9 _bin/oil.ovm 16.6
lisa gcc oil-0.6.pre9 _bin/oil.ovm-dbg 5.8
lisa clang oil-0.6.pre9 configure 0.6
lisa clang oil-0.6.pre9 _bin/oil.ovm 12.8
lisa clang oil-0.6.pre9 _bin/oil.ovm-dbg 4.4

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 2,279,714 1,383,202 896,512
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 3,997,906 1,383,202 2,614,704
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,328,666 1,383,202 945,464
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,708,682 1,383,202 2,325,480
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,279,714 1,383,202 896,512
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 3,997,906 1,383,202 2,614,704
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,328,666 1,383,202 945,464
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,708,682 1,383,202 2,325,480

Host and Compiler Details

host label host id
flanders flanders-b43270f9
lisa lisa-b43270f9
compiler label compiler id
gcc gcc-70069db5
clang clang-768eb1ae