gistfile1.txt

  test name            old       new     % speedup  % st. dev
  -----------------------------------------------------------

* no write barrier
  the only difference with master is the page allocation changes

  binary_trees         27.173    27.596    -1.56%    20.65%
  fannkuch              0.187     0.183     2.14%     0.53%
  k_nucleotide         68.399    68.347     0.08%     0.75%
  mandelbrot            4.373      4.39    -0.39%     0.32%
  meteor_contest     2361.508  2393.073    -1.34%      NaN%
  nbody                 0.233     0.233     0.00%     4.29%
  nbody_vec            10.805    10.201     5.59%    61.49%
  pidigits             47.717     49.12    -2.94%    12.78%
  regex_dna            21.784    21.254     2.43%    25.11%
  revcomp               1.137     1.128     0.79%     0.79%
  spectralnorm          4.544     4.559    -0.33%     0.07%

  gc time    1.13147 sec (7.5%)
  gc pause   9.75 ms avg
             14.05 ms max

* quick collections, no inc mark, no inc sweep

  binary_trees         27.173    28.763    -5.85%    20.65%
  fannkuch              0.187     0.182     2.67%     0.53%
  k_nucleotide         68.399    62.931     7.99%     0.75%
  mandelbrot            4.373     4.403    -0.69%     0.32%
  meteor_contest     2361.508  2140.854     9.34%      NaN%
  nbody                 0.233      0.23     1.29%     4.29%
  nbody_vec            10.805     7.381    31.69%    61.49%
  pidigits             47.717    35.467    25.67%    12.78%
  regex_dna            21.784    20.216     7.20%    25.11%
  revcomp               1.137     1.216    -6.95%     0.79%
  spectralnorm          4.544     4.544     0.00%     0.07%

  gc time    0.49246 sec (3.3%)
  gc pause   0.56 ms avg
             7.94 ms max

* quick collections, incremental

  binary_trees         27.173    25.984     4.38%    20.65%
  fannkuch              0.187     0.182     2.67%     0.53%
  k_nucleotide         68.399     62.03     9.31%     0.75%
  mandelbrot            4.373     4.381    -0.18%     0.32%
  meteor_contest     2361.508  2258.659     4.36%      NaN%
  nbody                 0.233     0.237    -1.72%     4.29%
  nbody_vec            10.805     7.801    27.80%    61.49%
  pidigits             47.717    39.775    16.64%    12.78%
  regex_dna            21.784    20.777     4.62%    25.11%
  revcomp               1.137     1.222    -7.48%     0.79%
  spectralnorm          4.544     4.544     0.00%     0.07%

  gc time    0.66293 sec (4.4%)
  gc pause   0.71 ms avg
             2.24 ms max