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 54.6
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.pre12 configure 1.4
flanders gcc oil-0.6.pre12 _bin/oil.ovm 38.1
flanders gcc oil-0.6.pre12 _bin/oil.ovm-dbg 15.3
flanders clang oil-0.6.pre12 configure 1.5
flanders clang oil-0.6.pre12 _bin/oil.ovm 33.0
flanders clang oil-0.6.pre12 _bin/oil.ovm-dbg 12.8
lisa gcc bash-4.4 configure 13.9
lisa gcc bash-4.4 make 25.2
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.0
lisa gcc oil-0.6.pre12 configure 0.6
lisa gcc oil-0.6.pre12 _bin/oil.ovm 17.3
lisa gcc oil-0.6.pre12 _bin/oil.ovm-dbg 6.0
lisa clang oil-0.6.pre12 configure 0.6
lisa clang oil-0.6.pre12 _bin/oil.ovm 13.2
lisa clang oil-0.6.pre12 _bin/oil.ovm-dbg 4.6

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 2,323,668 1,422,884 900,784
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,044,420 1,422,884 2,621,536
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,368,540 1,422,884 945,656
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,754,356 1,422,884 2,331,472
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,323,668 1,422,884 900,784
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,044,420 1,422,884 2,621,536
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,368,540 1,422,884 945,656
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,754,356 1,422,884 2,331,472

Host and Compiler Details

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