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 59.9
flanders gcc dash-0.5.9.1 configure 5.6
flanders gcc dash-0.5.9.1 make 7.5
flanders gcc oil-0.7.pre4 configure 1.5
flanders gcc oil-0.7.pre4 _bin/oil.ovm 45.3
flanders gcc oil-0.7.pre4 _bin/oil.ovm-dbg 17.5
flanders clang oil-0.7.pre4 configure 1.7
flanders clang oil-0.7.pre4 _bin/oil.ovm 37.5
flanders clang oil-0.7.pre4 _bin/oil.ovm-dbg 14.2
lisa gcc bash-4.4 configure 13.8
lisa gcc bash-4.4 make 24.6
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.0
lisa gcc oil-0.7.pre4 configure 0.6
lisa gcc oil-0.7.pre4 _bin/oil.ovm 16.9
lisa gcc oil-0.7.pre4 _bin/oil.ovm-dbg 5.7
lisa clang oil-0.7.pre4 configure 0.6
lisa clang oil-0.7.pre4 _bin/oil.ovm 13.1
lisa clang oil-0.7.pre4 _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 3,247,641 2,268,137 979,504
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,954,777 2,268,137 2,686,640
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,324,993 2,268,137 1,056,856
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,695,233 2,268,137 2,427,096
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,247,641 2,268,137 979,504
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,954,777 2,268,137 2,686,640
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,324,993 2,268,137 1,056,856
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,695,233 2,268,137 2,427,096

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