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 31.3
flanders gcc bash-4.4 make 53.6
flanders gcc dash-0.5.9.1 configure 5.4
flanders gcc dash-0.5.9.1 make 6.8
flanders gcc oil-0.6.pre14 configure 1.5
flanders gcc oil-0.6.pre14 _bin/oil.ovm 39.5
flanders gcc oil-0.6.pre14 _bin/oil.ovm-dbg 13.8
flanders clang oil-0.6.pre14 configure 1.7
flanders clang oil-0.6.pre14 _bin/oil.ovm 35.6
flanders clang oil-0.6.pre14 _bin/oil.ovm-dbg 15.0
lisa gcc bash-4.4 configure 13.9
lisa gcc bash-4.4 make 26.4
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.2
lisa gcc oil-0.6.pre14 configure 0.6
lisa gcc oil-0.6.pre14 _bin/oil.ovm 17.9
lisa gcc oil-0.6.pre14 _bin/oil.ovm-dbg 6.1
lisa clang oil-0.6.pre14 configure 0.6
lisa clang oil-0.6.pre14 _bin/oil.ovm 13.7
lisa clang oil-0.6.pre14 _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 2,419,270 1,450,134 969,136
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,091,582 1,450,134 2,641,448
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,493,102 1,450,134 1,042,968
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,883,838 1,450,134 2,433,704
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,419,270 1,450,134 969,136
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,091,582 1,450,134 2,641,448
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,493,102 1,450,134 1,042,968
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,883,838 1,450,134 2,433,704

Host and Compiler Details

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