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 30.9
flanders gcc bash-4.4 make 61.9
flanders gcc dash-0.5.9.1 configure 5.7
flanders gcc dash-0.5.9.1 make 7.6
flanders gcc oil-0.6.pre15 configure 1.5
flanders gcc oil-0.6.pre15 _bin/oil.ovm 49.5
flanders gcc oil-0.6.pre15 _bin/oil.ovm-dbg 17.1
flanders clang oil-0.6.pre15 configure 1.6
flanders clang oil-0.6.pre15 _bin/oil.ovm 40.3
flanders clang oil-0.6.pre15 _bin/oil.ovm-dbg 14.8
lisa gcc bash-4.4 configure 13.8
lisa gcc bash-4.4 make 26.5
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.pre15 configure 0.6
lisa gcc oil-0.6.pre15 _bin/oil.ovm 18.0
lisa gcc oil-0.6.pre15 _bin/oil.ovm-dbg 6.1
lisa clang oil-0.6.pre15 configure 0.6
lisa clang oil-0.6.pre15 _bin/oil.ovm 13.9
lisa clang oil-0.6.pre15 _bin/oil.ovm-dbg 4.8

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 2,652,354 1,683,250 969,104
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,324,442 1,683,250 2,641,192
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,726,186 1,683,250 1,042,936
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,117,242 1,683,250 2,433,992
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,652,354 1,683,250 969,104
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,324,442 1,683,250 2,641,192
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,726,186 1,683,250 1,042,936
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,117,242 1,683,250 2,433,992

Host and Compiler Details

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