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Bug #14080

Updated by pbfein (Peter Fein) over 2 years ago

I am using Marshal.dump Marshall.dump on array of Floats with Ruby 2.3.3 (same issue in 2.3.5).    In our program with an Array size of 1M it seems to hang indefinitely.    I take it down to 100K Floats and it takes about 10 seconds.    My sample program loads an marshaled Array of 100K floats from the .data file and then dumps it again.     Benchmark from various rubies showing the 2.3.x regression from 1.9 and then fixed again in 2.4.2.  

 $ rvm use 2.3.3 
 $ruby marshall_slow.rb 
 12.240000     0.040000    12.280000 ( 12.314731) 

 $rvm use 2.3.5 
 $ruby marshall_slow.rb 
 11.230000     0.030000    11.260000 ( 11.285143) 

 $ rvm use 1.9.3 
 $ ruby marshall_slow.rb 
   0.110000     0.000000     0.110000 (    0.115007) 

 $ rvm use 2.4.2 
 $ ruby marshall_slow.rb 
  0.090000     0.000000     0.090000 (    0.083619) 

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