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 36.3
flanders gcc bash-4.4 make 70.8
flanders gcc dash-0.5.9.1 configure 7.2
flanders gcc dash-0.5.9.1 make 10.3
flanders gcc oil-0.6.pre22 configure 1.8
flanders gcc oil-0.6.pre22 _bin/oil.ovm 62.7
flanders gcc oil-0.6.pre22 _bin/oil.ovm-dbg 17.9
flanders clang oil-0.6.pre22 configure 2.1
flanders clang oil-0.6.pre22 _bin/oil.ovm 45.0
flanders clang oil-0.6.pre22 _bin/oil.ovm-dbg 20.3
lisa gcc bash-4.4 configure 13.3
lisa gcc bash-4.4 make 26.5
lisa gcc dash-0.5.9.1 configure 2.6
lisa gcc dash-0.5.9.1 make 3.1
lisa gcc oil-0.6.pre22 configure 0.6
lisa gcc oil-0.6.pre22 _bin/oil.ovm 17.4
lisa gcc oil-0.6.pre22 _bin/oil.ovm-dbg 5.7
lisa clang oil-0.6.pre22 configure 0.6
lisa clang oil-0.6.pre22 _bin/oil.ovm 13.3
lisa clang oil-0.6.pre22 _bin/oil.ovm-dbg 4.4

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 3,032,807 2,045,783 987,024
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,728,239 2,045,783 2,682,456
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,094,319 2,045,783 1,048,536
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,477,591 2,045,783 2,431,808
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,032,807 2,045,783 987,024
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,728,239 2,045,783 2,682,456
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,094,319 2,045,783 1,048,536
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,477,591 2,045,783 2,431,808

Host and Compiler Details

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