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How does BLAS get such extreme performance?

...se fixed-size small-dimension operations (called kernels) are hardcoded in CPU-specific assembly code using several CPU features of their target: SIMD-style instructions Instruction Level Parallelism Cache-awareness Furthermore these kernels can be executed in parallel with respect to each other...
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How to manually expand a special variable (ex: ~ tilde) in bash

... Preferably, I'd go with either of these two: Charle's Duffy's solution Håkon Hægland's solution Original answer for historic purposes (but please don't use this) If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You...
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When should I use a table variable vs temporary table in sql server?

...OM master..spt_values v1, master..spt_values v2 SET STATISTICS TIME ON /*CPU time = 7016 ms, elapsed time = 7860 ms.*/ UPDATE @T SET Flag=1; /*CPU time = 6234 ms, elapsed time = 7236 ms.*/ DELETE FROM @T /* CPU time = 828 ms, elapsed time = 1120 ms.*/ UPDATE #T SET Flag=1; /*CPU time = 672 m...
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Python 3.x rounding behavior

... I saw that. And my first reaction: Who is using a 16-bit CPU that is incapable of representing all permutations of "2.67x" ? Saying that fractions can't be expressed in float seems like a scapegoat here: no modern CPU is that inaccurate, in ANY langauge (except Python?) ...
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Is it possible to update a localized storyboard's strings?

...oard localization files by hand earlier. – Reinhard Männer Nov 25 '13 at 8:03 16 Option 1 works....
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Troubleshooting BadImageFormatException

...renced a 64-bit assembly and the active build configuration was set to Any CPU but because of this "prefer 32-bit" setting assumably 32-bit was used running the application and caused the troubles. – Bernoulli IT Jun 30 '16 at 11:49 ...
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UTF-8: General? Bin? Unicode?

...names (e.g. if "jose" exists, I wouldn't want someone else to create a "josé" user) NB: this also holds true for most of the utf8 collations (except utf8_bin). The surest/safest/most comprehensive is utf8_unicode_ci – Costa Apr 10 '13 at 3:12 ...
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node.js execute system command synchronously

...at at the time of writing, the docs mention that the synchronous exec() is CPU intensive for long processes. – Aram Kocharyan Sep 1 '14 at 2:25 ...
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How many threads is too many?

...acks and so on) since a thread doing no work will not be using much of the CPU. (B) will generally be a delay in the processing of requests as they arrive as you need to wait for a thread to become available. That's why you measure. As you state, the vast majority of your threads will be waiting fo...
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How to measure elapsed time in Python?

...robably enough in most cases. On Unix, you can use time.clock() to measure CPU time. – KGS Jul 6 '17 at 10:00 1 ...