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 31.5
flanders gcc bash-4.4 make 55.5
flanders gcc dash-0.5.9.1 configure 5.5
flanders gcc dash-0.5.9.1 make 7.4
flanders gcc oil-0.6.pre16 configure 1.5
flanders gcc oil-0.6.pre16 _bin/oil.ovm 40.6
flanders gcc oil-0.6.pre16 _bin/oil.ovm-dbg 14.7
flanders clang oil-0.6.pre16 configure 1.5
flanders clang oil-0.6.pre16 _bin/oil.ovm 33.5
flanders clang oil-0.6.pre16 _bin/oil.ovm-dbg 15.4
lisa gcc bash-4.4 configure 13.2
lisa gcc bash-4.4 make 23.4
lisa gcc dash-0.5.9.1 configure 2.7
lisa gcc dash-0.5.9.1 make 2.8
lisa gcc oil-0.6.pre16 configure 0.6
lisa gcc oil-0.6.pre16 _bin/oil.ovm 15.8
lisa gcc oil-0.6.pre16 _bin/oil.ovm-dbg 5.5
lisa clang oil-0.6.pre16 configure 0.5
lisa clang oil-0.6.pre16 _bin/oil.ovm 12.4
lisa clang oil-0.6.pre16 _bin/oil.ovm-dbg 4.3

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 2,686,183 1,716,903 969,280
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,360,119 1,716,903 2,643,216
flanders _tmp/ovm-build/bin/gcc/oil.ovm 2,764,095 1,716,903 1,047,192
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,151,295 1,716,903 2,434,392
lisa _tmp/ovm-build/bin/clang/oil.ovm 2,686,183 1,716,903 969,280
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 4,360,119 1,716,903 2,643,216
lisa _tmp/ovm-build/bin/gcc/oil.ovm 2,764,095 1,716,903 1,047,192
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,151,295 1,716,903 2,434,392

Host and Compiler Details

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