bench

gistfile1.txt

rvm install 1.9.3-p0 -n new_hash --patch `curl -O -s -w "hash_optimize.patch" https://raw.github.com/gist/1509477/0ce84bfa6464a87eba8ef083f8f0290d98e67a05/hash_optimize.patch`

rvm 1.9.3-p0-new_hash

which ruby
/Users/yury/.rvm/rubies/ruby-1.9.3-p0-new_hash/bin/ruby

       82.02 real        83.01 user         1.61 sys
 204537856  maximum resident set size
         0  average shared memory size
         0  average unshared data size
         0  average unshared stack size
    173418  page reclaims
         8  page faults
         0  swaps
         6  block input operations
        31  block output operations
        85  messages sent
       399  messages received
         0  signals received
       214  voluntary context switches
     10645  involuntary context switches

       85.69 real        86.91 user         1.57 sys
 203452416  maximum resident set size
         0  average shared memory size
         0  average unshared data size
         0  average unshared stack size
    171209  page reclaims
         8  page faults
         0  swaps
       156  block input operations
       205  block output operations
        85  messages sent
       399  messages received
         0  signals received
       313  voluntary context switches
      9436  involuntary context switches

rvm 1.9.3-p0

which ruby
/Users/yury/.rvm/rubies/ruby-1.9.3-p0/bin/ruby

 88.85 real        88.26 user         1.91 sys
 221724672  maximum resident set size
         0  average shared memory size
         0  average unshared data size
         0  average unshared stack size
    172376  page reclaims
      1216  page faults
         0  swaps
       328  block input operations
       407  block output operations
        85  messages sent
       399  messages received
         0  signals received
      3543  voluntary context switches
      9313  involuntary context switches

       82.93 real        84.20 user         1.57 sys
 225271808  maximum resident set size
         0  average shared memory size
         0  average unshared data size
         0  average unshared stack size
    176698  page reclaims
         8  page faults
         0  swaps
         1  block input operations
        24  block output operations
        85  messages sent
       399  messages received
         0  signals received
       168  voluntary context switches
      8649  involuntary context switches