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 31.0
flanders gcc bash-4.4 make 56.4
flanders gcc dash-0.5.9.1 configure 5.6
flanders gcc dash-0.5.9.1 make 6.9
flanders gcc oil-0.6.pre7 configure 1.5
flanders gcc oil-0.6.pre7 _bin/oil.ovm 41.8
flanders gcc oil-0.6.pre7 _bin/oil.ovm-dbg 13.6
flanders clang oil-0.6.pre7 configure 1.4
flanders clang oil-0.6.pre7 _bin/oil.ovm 35.8
flanders clang oil-0.6.pre7 _bin/oil.ovm-dbg 12.6
lisa gcc bash-4.4 configure 13.7
lisa gcc bash-4.4 make 25.4
lisa gcc dash-0.5.9.1 configure 2.7
lisa gcc dash-0.5.9.1 make 3.2
lisa gcc oil-0.6.pre7 configure 0.6
lisa gcc oil-0.6.pre7 _bin/oil.ovm 19.6
lisa gcc oil-0.6.pre7 _bin/oil.ovm-dbg 6.4
lisa clang oil-0.6.pre7 configure 0.6
lisa clang oil-0.6.pre7 _bin/oil.ovm 13.9
lisa clang oil-0.6.pre7 _bin/oil.ovm-dbg 5.1

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 2,763,004 1,753,356 1,009,648
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,679,612 1,753,356 2,926,256
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,861,316 1,753,356 1,107,960
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,271,188 1,753,356 2,517,832
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,763,004 1,753,356 1,009,648
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,679,612 1,753,356 2,926,256
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,861,316 1,753,356 1,107,960
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,271,188 1,753,356 2,517,832

Host and Compiler Details

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