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 30.4
flanders gcc bash-4.4 make 50.3
flanders gcc dash-0.5.9.1 configure 5.4
flanders gcc dash-0.5.9.1 make 6.4
flanders gcc oil-0.5.alpha1 configure 1.3
flanders gcc oil-0.5.alpha1 _bin/oil.ovm 55.0
flanders gcc oil-0.5.alpha1 _bin/oil.ovm-dbg 17.4
flanders clang oil-0.5.alpha1 configure 1.3
flanders clang oil-0.5.alpha1 _bin/oil.ovm 44.1
flanders clang oil-0.5.alpha1 _bin/oil.ovm-dbg 16.0
lisa gcc bash-4.4 configure 14.0
lisa gcc bash-4.4 make 27.0
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.3
lisa gcc oil-0.5.alpha1 configure 0.6
lisa gcc oil-0.5.alpha1 _bin/oil.ovm 27.6
lisa gcc oil-0.5.alpha1 _bin/oil.ovm-dbg 8.4
lisa clang oil-0.5.alpha1 configure 0.6
lisa clang oil-0.5.alpha1 _bin/oil.ovm 20.6
lisa clang oil-0.5.alpha1 _bin/oil.ovm-dbg 6.9

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 3,473,179 1,876,603 1,596,576
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,917,867 1,876,603 4,041,264
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,638,891 1,876,603 1,762,288
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 5,250,667 1,876,603 3,374,064
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,474,451 1,877,875 1,596,576
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,919,139 1,877,875 4,041,264
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,640,163 1,877,875 1,762,288
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 5,251,939 1,877,875 3,374,064

Host and Compiler Details

host label host id
flanders flanders-6afc5af0
lisa lisa-02485150
compiler label compiler id
gcc gcc-169c116f
clang clang-768eb1ae