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 33.3
flanders gcc bash-4.4 make 67.1
flanders gcc dash-0.5.9.1 configure 6.0
flanders gcc dash-0.5.9.1 make 9.5
flanders gcc oil-0.7.pre9 configure 1.7
flanders gcc oil-0.7.pre9 _bin/oil.ovm 51.9
flanders gcc oil-0.7.pre9 _bin/oil.ovm-dbg 18.0
flanders clang oil-0.7.pre9 configure 1.7
flanders clang oil-0.7.pre9 _bin/oil.ovm 49.3
flanders clang oil-0.7.pre9 _bin/oil.ovm-dbg 15.3
lisa gcc bash-4.4 configure 13.9
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 3.1
lisa gcc oil-0.7.pre9 configure 0.6
lisa gcc oil-0.7.pre9 _bin/oil.ovm 19.2
lisa gcc oil-0.7.pre9 _bin/oil.ovm-dbg 6.4
lisa clang oil-0.7.pre9 configure 0.6
lisa clang oil-0.7.pre9 _bin/oil.ovm 14.1
lisa clang oil-0.7.pre9 _bin/oil.ovm-dbg 5.0

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 3,561,228 2,519,796 1,041,432
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,370,676 2,519,796 2,850,880
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,646,756 2,519,796 1,126,960
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 5,092,332 2,519,796 2,572,536
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,561,236 2,519,796 1,041,440
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,370,684 2,519,796 2,850,888
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,646,764 2,519,796 1,126,968
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 5,092,340 2,519,796 2,572,544

Host and Compiler Details

host label host id
flanders flanders-f94966d0
lisa lisa-b43270f9
compiler label compiler id
gcc gcc-816edb3d
clang clang-768eb1ae