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 31.1
flanders gcc bash-4.4 make 55.2
flanders gcc dash-0.5.9.1 configure 5.6
flanders gcc dash-0.5.9.1 make 6.8
flanders gcc oil-0.5.alpha2 configure 1.3
flanders gcc oil-0.5.alpha2 _bin/oil.ovm 62.4
flanders gcc oil-0.5.alpha2 _bin/oil.ovm-dbg 19.4
flanders clang oil-0.5.alpha2 configure 1.3
flanders clang oil-0.5.alpha2 _bin/oil.ovm 49.4
flanders clang oil-0.5.alpha2 _bin/oil.ovm-dbg 18.3
lisa gcc bash-4.4 configure 13.7
lisa gcc bash-4.4 make 25.4
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.0
lisa gcc oil-0.5.alpha2 configure 0.5
lisa gcc oil-0.5.alpha2 _bin/oil.ovm 25.3
lisa gcc oil-0.5.alpha2 _bin/oil.ovm-dbg 7.7
lisa clang oil-0.5.alpha2 configure 0.5
lisa clang oil-0.5.alpha2 _bin/oil.ovm 18.5
lisa clang oil-0.5.alpha2 _bin/oil.ovm-dbg 6.3

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 3,593,067 1,996,491 1,596,576
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 6,037,755 1,996,491 4,041,264
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,758,779 1,996,491 1,762,288
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 5,370,555 1,996,491 3,374,064
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,593,051 1,996,475 1,596,576
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 6,037,739 1,996,475 4,041,264
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,758,763 1,996,475 1,762,288
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 5,370,539 1,996,475 3,374,064

Host and Compiler Details

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