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FYI: some recent trace improvements

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Leopold Toetsch

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Feb 16, 2006, 3:35:50 PM2/16/06
to Perl 6 Internals
1) the trace output runs now through a dedicated debug interpreter, so
that resource allocations due to creating trace output shouldn't
disturb the running interpreter. Just subroutine call/return info goes
through the original interpreter.

./parrot -t1 foo.pir

should now have the same resource usage as w/o tracing

2) I've beautified the output a bit (I hope)

3) Tracing into a file is now running in reasonable time:

21:21 <+svnbot6> r11597 | leo++ | trunk:
21:21 <+svnbot6> : Debugging - speedup tracing into a file a bit ;)
21:21 <+svnbot6> : $ time ./parrot -t1 ack.pir 3 >1 2>&1
21:21 <+svnbot6> : real 2m47.259s # orig
21:21 <+svnbot6> : real 0m1.538s # now

(timings from an unoptimized build)
leo

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