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 33.3
flanders gcc bash-4.4 make 61.9
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.pre5 configure 1.6
flanders gcc oil-0.7.pre5 _bin/oil.ovm 52.0
flanders gcc oil-0.7.pre5 _bin/oil.ovm-dbg 17.2
flanders clang oil-0.7.pre5 configure 1.6
flanders clang oil-0.7.pre5 _bin/oil.ovm 42.6
flanders clang oil-0.7.pre5 _bin/oil.ovm-dbg 17.2
lisa gcc bash-4.4 configure 14.0
lisa gcc bash-4.4 make 25.8
lisa gcc dash-0.5.9.1 configure 2.8
lisa gcc dash-0.5.9.1 make 3.1
lisa gcc oil-0.7.pre5 configure 0.6
lisa gcc oil-0.7.pre5 _bin/oil.ovm 18.7
lisa gcc oil-0.7.pre5 _bin/oil.ovm-dbg 6.2
lisa clang oil-0.7.pre5 configure 0.6
lisa clang oil-0.7.pre5 _bin/oil.ovm 14.6
lisa clang oil-0.7.pre5 _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 3,386,357 2,378,021 1,008,336
flanders _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,120,109 2,378,021 2,742,088
flanders _tmp/ovm-build/bin/gcc/oil.ovm 3,467,805 2,378,021 1,089,784
flanders _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,854,237 2,378,021 2,476,216
lisa _tmp/ovm-build/bin/clang/oil.ovm 3,386,357 2,378,021 1,008,336
lisa _tmp/ovm-build/bin/clang/oil.ovm-dbg 5,120,109 2,378,021 2,742,088
lisa _tmp/ovm-build/bin/gcc/oil.ovm 3,467,805 2,378,021 1,089,784
lisa _tmp/ovm-build/bin/gcc/oil.ovm-dbg 4,854,237 2,378,021 2,476,216

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