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 33.5
flanders gcc bash-4.4 make 67.4
flanders gcc dash-0.5.9.1 configure 5.6
flanders gcc dash-0.5.9.1 make 6.8
flanders gcc oil-0.7.pre6 configure 1.7
flanders gcc oil-0.7.pre6 _bin/oil.ovm 56.1
flanders gcc oil-0.7.pre6 _bin/oil.ovm-dbg 18.8
flanders clang oil-0.7.pre6 configure 1.6
flanders clang oil-0.7.pre6 _bin/oil.ovm 40.5
flanders clang oil-0.7.pre6 _bin/oil.ovm-dbg 16.7
lisa gcc bash-4.4 configure 14.2
lisa gcc bash-4.4 make 26.3
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.2
lisa gcc oil-0.7.pre6 configure 0.6
lisa gcc oil-0.7.pre6 _bin/oil.ovm 18.8
lisa gcc oil-0.7.pre6 _bin/oil.ovm-dbg 6.3
lisa clang oil-0.7.pre6 configure 0.6
lisa clang oil-0.7.pre6 _bin/oil.ovm 14.8
lisa clang oil-0.7.pre6 _bin/oil.ovm-dbg 4.9

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 3,490,562 2,482,258 1,008,304
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,223,482 2,482,258 2,741,224
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,572,010 2,482,258 1,089,752
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,958,018 2,482,258 2,475,760
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,490,562 2,482,258 1,008,304
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,223,482 2,482,258 2,741,224
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,572,010 2,482,258 1,089,752
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,958,018 2,482,258 2,475,760

Host and Compiler Details

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