Differences between revisions 2 and 28 (spanning 26 versions)
Revision 2 as of 2004-01-25 18:27:14
Size: 1144
Editor: yakko
Comment:
Revision 28 as of 2005-06-28 01:44:52
Size: 724
Editor: yakko
Comment:
Deletions are marked like this. Additions are marked like this.
Line 3: Line 3:
{{{
           Performance for entire task using the enhancement when possible
Speedup = -----------------------------------------------------------------
              Performance for entire taks without using the enhancement
}}}
[[latex2(Speedup=Performance using enhancement when possiblePerformance without enhancement)]]
Line 13: Line 9:
{{{
                  Old Execution Time
SpeedupOverall = --------------------
                  New Execution Time
[[latex2(SpeedupOverall=Old Execution TimeNew Execution Time)]] (1)
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                                                                    FractionEnhanced
New Execution Time = Old Execution Time ( (1 - FractionEnhanced) + ------------------ )
                                                                    SpeedupEnhanced
This gives a new Execution time of
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-->
                                     1
SpeedupOverall = --------------------------------------------
                                         FractionEnhanced
               (1 - FractionEnhanced) + ------------------ )
                                         SpeedupEnhanced
[[latex2(New Exec Time=Old Exec Time(1FractionEnhanced+FractionEnhancedSpeedupEnhanced))]]
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}}} So we have

[[latex2(SpeedupOverall=(11FractionEnhanced+FractionEnhancedSpeedupEnhanced))]]

AmdahlsLaw (last edited 2020-01-23 23:15:20 by 68)