Severe increase in compilation time with 4.3.0 20070615 on powerpc-apple-darwin7

[Richard Guenther]

On 6/19/07, Dominique Dhumieres <dominiq@lps.ens.fr> wrote:
> On powerpc-apple-darwin7 with 4.3.0 20070615, the compilation time
> of the polyhedron test suite increased by 35% compared to the
> previous snapshot and by 41% compared to the Apr 13 one:

I did not see this change.  What flags are you using?

Richard.

>                       compile                         execute
>
>              06/15     06/08     04/13       06/13     06/08     04/13
>
> ac           6.098     4.169     3.754     141.335   141.271   140.479
> aermod     266.403   205.639   196.447      92.756    93.583    90.632
> air         14.773    11.925    11.541      40.149    41.533    39.399
> capacita     7.332     5.542     5.154     175.615   176.229   177.222
> channel      4.289     2.519     2.279      15.664    15.947    15.732
> doduc       37.700    28.040    26.679      68.599    68.895    68.195
> fatigue     12.843     8.733     8.293      23.766    24.795    23.061
> gas_dyn     11.856     8.168     7.598      53.942    53.929    52.100
> induct      36.878    23.671    22.445      72.247    73.031    69.283
> linpk        2.419     1.979     1.910      33.489    33.844    33.446
> mdbx         9.052     7.036     6.716      32.542    32.543    32.985
> nf           5.412     3.629     3.357      51.424    51.404    58.494
> protein     20.097    13.162    13.063      70.825    70.113    70.896
> rnflow      19.812    14.370    14.196      76.936    77.419    76.371
> test_fpu    17.098    12.034    11.396      37.336    37.324    37.697
> tfft         2.530     1.938     1.779      16.653    16.831    16.581
>
> total      474.592   352.554   336.607    1003.278  1008.691  1002.573
>
> without any noticable effects on the execution time. Does anyone can
> explain it (and suggest a fix)?
>
> TIA
>
> Dominique
>