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 54.6
flanders gcc dash-0.5.9.1 configure 5.4
flanders gcc dash-0.5.9.1 make 7.3
flanders gcc oil-0.6.pre6 configure 1.5
flanders gcc oil-0.6.pre6 _bin/oil.ovm 41.6
flanders gcc oil-0.6.pre6 _bin/oil.ovm-dbg 13.2
flanders clang oil-0.6.pre6 configure 1.5
flanders clang oil-0.6.pre6 _bin/oil.ovm 37.1
flanders clang oil-0.6.pre6 _bin/oil.ovm-dbg 13.0
lisa gcc bash-4.4 configure 13.7
lisa gcc bash-4.4 make 24.5
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.pre6 configure 0.6
lisa gcc oil-0.6.pre6 _bin/oil.ovm 18.9
lisa gcc oil-0.6.pre6 _bin/oil.ovm-dbg 5.8
lisa clang oil-0.6.pre6 configure 0.6
lisa clang oil-0.6.pre6 _bin/oil.ovm 13.7
lisa clang oil-0.6.pre6 _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 2,815,847 1,747,831 1,068,016
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,694,335 1,747,831 2,946,504
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,951,183 1,747,831 1,203,352
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,209,599 1,747,831 2,461,768
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,815,847 1,747,831 1,068,016
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,694,335 1,747,831 2,946,504
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,951,183 1,747,831 1,203,352
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,209,599 1,747,831 2,461,768

Host and Compiler Details

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