[MacRuby-devel] [MacRuby] #424: performance regression from ruby 1.8 and 1.9

[MacRuby]

#424: performance regression from ruby 1.8 and 1.9
-------------------------------------+--------------------------------------
 Reporter:  jordan.breeding@…        |       Owner:  lsansonetti@…        
     Type:  defect                   |      Status:  new                  
 Priority:  blocker                  |   Milestone:                       
Component:  MacRuby                  |    Keywords:                       
-------------------------------------+--------------------------------------

Comment(by jordan.breeding@…):

 Just tried a new version that generates 300000 nodes.

 ruby and ruby1.9 end up slowing down significantly, memory usage is way
 up, cpu is down, macruby doesn't even finish running:

 {{{
 60 jordan at thetourist ~/priority_queue_bug > for LOOP in ruby ruby1.9
 macruby; do eval time "${LOOP}" ./speed_test_300.pqueue; done
 ruby ./speed_test_300.pqueue  124.68s user 5.30s system 56% cpu 3:50.52
 total
 ruby1.9 ./speed_test_300.pqueue  80.61s user 7.13s system 47% cpu 3:05.52
 total
 macruby(1524,0x7fff70940be0) malloc: *** auto malloc[1524]: agc error: Can
 not allocate new region
 2009-11-10 22:30:32.742 macruby[1524:903] -[Bignum message]: unrecognized
 selector sent to instance 0x200088220
 2009-11-10 22:30:34.888 macruby[1524:903] *** Terminating app due to
 uncaught exception 'NoMethodError', reason: 'undefined method `message'
 for #<Bignum:0x200088220>'
 *** Call stack at first throw:
 (
         0   CoreFoundation                      0x00007fff80849444
 __exceptionPreprocess + 180
         1   libobjc.A.dylib                     0x00007fff881a60f3
 objc_exception_throw + 45
         2   libmacruby.dylib                    0x000000010017aef5
 rb_vm_raise + 437
         3   libmacruby.dylib                    0x0000000100040f79
 rb_exc_raise + 9
         4   libmacruby.dylib                    0x000000010017a350
 rb_vm_method_missing + 560
         5   libmacruby.dylib                    0x000000010015fbcc
 rb_vm_call_with_cache2 + 5740
         6   libmacruby.dylib                    0x0000000100161a34
 _ZL14method_missingmP13objc_selectorP11rb_vm_blockiPKm29rb_vm_method_missing_reason_t
 + 324
         7   libmacruby.dylib                    0x00000001001623cd
 rb_vm_call + 2125
         8   libmacruby.dylib                    0x00000001001796c3
 rb_vm_print_current_exception + 99
         9   macruby                             0x0000000100000dec main +
 172
         10  macruby                             0x0000000100000d34 start +
 52
 )
 terminate called after throwing an instance of 'NSException'
 zsh: abort      macruby ./speed_test_300.pqueue
 macruby ./speed_test_300.pqueue  69.00s user 15.48s system 27% cpu 5:03.12
 total
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/424#comment:7>
MacRuby <http://macruby.org/>