Saturday, April 16, 2011

Stats on the hotspot java virtual machine, open jdk

Here are some notes, source code analysis of hotspot:

# perl cloc-1.53.pl src
1786 text files.
1716 unique files.
121 files ignored.
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
C++ 673 64909 97522 340057
C/C++ Header 796 25928 49603 101144
XML 61 474 179 15360
Java 78 1908 2397 8663
C 11 1194 2327 7236
XSLT 7 560 166 4406
Assembly 6 89 36 2245
D 4 83 127 869
SKILL 3 71 0 495
make 2 34 58 146
Javascript 1 6 27 38
-------------------------------------------------------------------------------
SUM: 1642 95256 152442 480659
-------------------------------------------------------------------------------

5282 ./share/vm/gc_implementation/g1/g1CollectedHeap.cpp
6041 ./os/solaris/vm/os_solaris.cpp
6658 ./share/vm/c1/c1_LinearScan.cpp
8982 ./cpu/x86/vm/assembler_x86.cpp
9232 ./share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp


http://openjdk.java.net/groups/hotspot/docs/FOSDEM-2007-HotSpot.pdf
http://blogs.sun.com/jonthecollector/
http://blogs.sun.com/tony/

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