Talk:Ordered words: Difference between revisions
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m (→A bug (which was not really a bug) in Rexx solution: minor edit change on a phrase. -- ~~~~) |
m (→A bug (which was not really a bug) in Rexx solution: had to use PRE to force proper formatting. -- ~~~~) |
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I took your program ''as is'' and ran it on my isolated computer (no internet connection, no active anti-virus protection programs running, etc, it's a 3.20 GHz box and is running all four processors with five 100%-CPU-bound unrelated programs on below-normal priority), and the results are: |
I took your program ''as is'' and ran it on my isolated computer (no internet connection, no active anti-virus protection programs running, etc, it's a 3.20 GHz box and is running all four processors with five 100%-CPU-bound unrelated programs on below-normal priority), and the results are: |
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<pre> |
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oneliner: 10000001 13.088000 |
oneliner: 10000001 13.088000 |
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Procedure: 10000001 60.223000 |
Procedure: 10000001 60.223000 |
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</pre> |
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Then, just to show what the REXX overhead is for processing a "normal" '''do''' loop, I replaced the |
Then, just to show what the REXX overhead is for processing a "normal" '''do''' loop, I replaced the |
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<lang rexx>do i=1 to 10000000</lang> |
<lang rexx>do i=1 to 10000000</lang> |
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do i</lang> |
do i</lang> |
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and the results are: |
and the results are: |
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<pre> |
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oneliner: 10000001 13.412000 |
oneliner: 10000001 13.412000 |
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Procedure: 10000001 60.061000 |
Procedure: 10000001 60.061000 |
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</pre> |
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Considering that the bulk of the execution time is spent in the subroutines, it's noteworthy; the difference is the way REXX handles incrementing a '''do''' loop index (and testing for termination of same). |
Considering that the bulk of the execution time is spent in the subroutines, it's noteworthy; the difference is the way REXX handles incrementing a '''do''' loop index (and testing for termination of same). |
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return translate(a) /* translate lowercase letters */</lang> |
return translate(a) /* translate lowercase letters */</lang> |
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and the results were: |
and the results were: |
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<pre> |
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version: REXX-Regina_3.6(MT) 5.00 31 Dec 2011 |
version: REXX-Regina_3.6(MT) 5.00 31 Dec 2011 |
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oneliner: 10000001 15.420000 |
oneliner: 10000001 15.420000 |
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Procedure: 10000001 63.106000 |
Procedure: 10000001 63.106000 |
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</pre> |
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<br>More work should be done on the benchmark REXX program(s), but there's only so much time in a day... -- [[User:Gerard Schildberger|Gerard Schildberger]] 20:53, 16 July 2012 (UTC) |
<br>More work should be done on the benchmark REXX program(s), but there's only so much time in a day... -- [[User:Gerard Schildberger|Gerard Schildberger]] 20:53, 16 July 2012 (UTC) |
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