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 31.7
flanders gcc bash-4.4 make 66.2
flanders gcc dash-0.5.9.1 configure 6.0
flanders gcc dash-0.5.9.1 make 8.3
flanders gcc oil-0.7.pre3 configure 1.6
flanders gcc oil-0.7.pre3 _bin/oil.ovm 46.1
flanders gcc oil-0.7.pre3 _bin/oil.ovm-dbg 17.4
flanders clang oil-0.7.pre3 configure 1.6
flanders clang oil-0.7.pre3 _bin/oil.ovm 38.8
flanders clang oil-0.7.pre3 _bin/oil.ovm-dbg 13.8
lisa gcc bash-4.4 configure 13.5
lisa gcc bash-4.4 make 24.7
lisa gcc dash-0.5.9.1 configure 2.7
lisa gcc dash-0.5.9.1 make 2.9
lisa gcc oil-0.7.pre3 configure 0.6
lisa gcc oil-0.7.pre3 _bin/oil.ovm 16.7
lisa gcc oil-0.7.pre3 _bin/oil.ovm-dbg 5.7
lisa clang oil-0.7.pre3 configure 0.6
lisa clang oil-0.7.pre3 _bin/oil.ovm 13.2
lisa clang oil-0.7.pre3 _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 3,214,067 2,230,563 983,504
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,920,067 2,230,563 2,689,504
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,287,323 2,230,563 1,056,760
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,662,139 2,230,563 2,431,576
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,214,067 2,230,563 983,504
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,920,067 2,230,563 2,689,504
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,287,323 2,230,563 1,056,760
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,662,139 2,230,563 2,431,576

Host and Compiler Details

host label host id
flanders flanders-b43270f9
lisa lisa-b43270f9
compiler label compiler id
gcc gcc-70069db5
clang clang-768eb1ae
gcc gcc-8cab7bf3