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 33.0
flanders gcc bash-4.4 make 69.8
flanders gcc dash-0.5.9.1 configure 6.5
flanders gcc dash-0.5.9.1 make 8.4
flanders gcc oil-0.6.pre8 configure 1.6
flanders gcc oil-0.6.pre8 _bin/oil.ovm 47.6
flanders gcc oil-0.6.pre8 _bin/oil.ovm-dbg 16.6
flanders clang oil-0.6.pre8 configure 1.6
flanders clang oil-0.6.pre8 _bin/oil.ovm 42.0
flanders clang oil-0.6.pre8 _bin/oil.ovm-dbg 14.1
lisa gcc bash-4.4 configure 13.7
lisa gcc bash-4.4 make 24.8
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.pre8 configure 0.6
lisa gcc oil-0.6.pre8 _bin/oil.ovm 16.8
lisa gcc oil-0.6.pre8 _bin/oil.ovm-dbg 5.9
lisa clang oil-0.6.pre8 configure 0.6
lisa clang oil-0.6.pre8 _bin/oil.ovm 12.5
lisa clang oil-0.6.pre8 _bin/oil.ovm-dbg 4.5

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 2,220,912 1,335,664 885,248
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 3,942,152 1,335,664 2,606,488
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,282,184 1,335,664 946,520
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,659,816 1,335,664 2,324,152
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,220,912 1,335,664 885,248
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 3,942,152 1,335,664 2,606,488
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,282,184 1,335,664 946,520
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 3,659,816 1,335,664 2,324,152

Host and Compiler Details

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