Subject: Re: some slowness...
From: Sorin Lerner (lerns@cs.washington.edu)
Date: Mon Mar 26 2001 - 22:03:29 PST
I'll take a look at what's making the compose framework so slow sometime
this week.
Sorin
On Fri, 23 Mar 2001, Craig Chambers wrote:
> In running Whirlwind on all the Java benchmarks, I noticed the following.
> Here is the time to compile a single method of the toba benchmark:
>
> -- compiling toba_fOpcode_sgenerate_aLjava_fio_fPrintStream_aLtoba_fInstr_rV
>
> ## Phase times:
> Method compilation: 23095.336 secs
> Building CFGs: 1.995 secs
> Verifying CFGs: 457.058 secs
> Topologically numbering graphs: 47.578 secs
> Building DFGs: 225.011 secs
> Verifying DFGs: 16.579 secs
> Typechecking: 30.041 secs
> Verifying CDFGs: 219.459 secs
> Composition of Unreachable Code Elimination, Constant
> Propagation:22020.539 secs
> Unused Value Elimination: 10.805 secs
> Phi Elimination: 6.377 secs
> Lowering: 16.368 secs
> Verifying Lowereds: 0.000 secs
> Generating code: 22.088 secs
> Compressing: 0.000 secs
> Building scopes: 7.258 secs
> Resolving names: 2.494 secs
> Computing representations: 11.001 secs
> Topologically numbering graphs: 0.055 secs
> Topologically numbering graphs: 0.169 secs
>
> This 23Ksec compilation accounted for most of the 25Ksec compilation of the
> entire benchmark.
>
> -- Craig
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