4 ms·
13 minutes -> 11 minutes: "Elapsed time goes down by 15%." 3:16 minutes -> 1:42 minutes: "We get a roughly 90% speedup in elapsed time." What's the formula fo
by LHxB 8y ago
13 minutes -> 11 minutes: "Elapsed time goes down by 15%."
3:16 minutes -> 1:42 minutes: "We get a roughly 90% speedup in elapsed time."
What's the formula for the "speedup"? I think it would be more expressive if one would compare it in the same terms.
- EdSchouten 8y agoI think the math was done inversely. 1:42 -> 3:16: 90% slowdown?
- leni536 8y agoWe could use a logarithmic scale instead of percentages. If we defined a decibel scale for time then this would be a 2.83 dB change both ways (if we defined dB-sec as 10*log10(time/(1 sec)) ).
- tom_ 8y agoOr just print the numbers, and let the reader get whatever they want out of that... On this subject: https://randomascii.wordpress.com/2018/02/04/what-we-talk-about-when-we-talk-about-performance/ https://randomascii.wordpress.com/2018/02/04/what-we-talk-ab...