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- Newsgroups: comp.benchmarks
- Path: sparky!uunet!wupost!darwin.sura.net!jvnc.net!nuscc!ntuix!eoahmad
- From: eoahmad@ntuix.ntu.ac.sg (Othman Ahmad)
- Subject: Wanted:gcc "benchmark source"for SpecMark;not gcc source
- Message-ID: <1992Aug29.050611.2097@ntuix.ntu.ac.sg>
- Organization: Nanyang Technological University - Singapore
- X-Newsreader: Tin 1.1 PL4
- Date: Sat, 29 Aug 1992 05:06:11 GMT
- Lines: 32
-
- Due to the possibility of inadequecy of dhryston benchmark caused by
- redundancies, I want to investigate the amount of redundancy in
- a highly intelligent(random unpredictable behaviour) of gcc.
-
- There is little chance for an optimising compiler to remove the redundancy
- of a responding system like the gcc, because we do not know the input
- pattern before hand, unlike gcc or some scientific calculations.
-
- It is not that the scientific calculations are not valid benchmark. I disagree
- with Spec consortium decision to remove matrix benchmark because these
- programming style is very important for scientists and engineers.
- The compiler is used as an advanced computer. If it can precompile
- the problem before hand, fine, then we do not need to execute it. Just
- display it. Then it is just a question of how fast to display the result.
- The amount of calculation will dramatically be reduced but the there is still
- some conversion required.
- Anyway, it is a good test for how efficient a compiler supplied by
- the vendor in removing redundant code, provided the user is willing to
- wait to the results. Maybe it is faster to use non-optimized code, and run
- the program even if the redundancy has not been completely removed.
-
- Any info will be much appreciated. If not, I'll just find a sample
- program and take the amount of time taken to compile it.
- It would be nice to correlate with SpecMark results, as close as
- possible for comparison purposes.
-
- --
- Othman bin Ahmad, School of EEE,
- Nanyang Technological University, Singapore 2263.
- Internet Email: eoahmad@ntuix.ntu.ac.sg
- Bitnet Email: eoahmad@ntuvax.bitnet
-
-