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Why is this F# code so slow?
...llowing numbers:
> levenshtein str ("foo" + str);;
Real: 00:00:03.938, CPU: 00:00:03.900, GC gen0: 275, gen1: 1, gen2: 0
val it : int = 3
> levenshtein_inlined str ("foo" + str);;
Real: 00:00:00.068, CPU: 00:00:00.078, GC gen0: 0, gen1: 0, gen2: 0
val it : int = 3
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Why use a prime number in hashCode?
...le this might be faster then a multiplication (it probaly isn't for modern cpu processors by the way), there are more important factors to consider when choosing a multiplication for a haschcode (equal distribution of input values to buckets comes to mind)
– Grizzly
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Which is faster : if (bool) or if(int)?
...s this also apply to 64-bit processes, that __int64 is faster than int? Or CPU deals 32-bit integer with 32-bit instruction sets separately?
– Crend King
Apr 27 '11 at 21:22
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Oracle Differences between NVL and Coalesce
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| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
-----------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 2 | 52 | 2 (0)| 00:00:01 |
| 1 | CONCATENATION ...
Network usage top/htop on Linux
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nethogs is nice, but it seems to use way more cpu on my computer than iftop
– aidan
Jul 29 '15 at 6:15
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Where do you store your salt strings?
...ach:
Since the exact logic is inferred at run-time, this approach is very CPU-intensive. The longer the length of the salt, the more CPU-intensive this approach becomes.
Authenticating incorrect passwords will involve the highest CPU cost. This can be counter-productive to legitimate requests, but...
Comparing Timer with DispatcherTimer
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Check to see what specifically is eating up the cpu. Are you creating lots of timers, that aren't being stopped?
– Reed Copsey
Oct 12 '09 at 17:35
3
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What are the underlying data structures used for Redis?
...lying data structures used by Redis. But a bit of knowledge helps you make CPU v/s Memory trade offs. It also helps you model your data in an efficient manner.
Internally, Redis uses the following data structures :
String
Dictionary
Doubly Linked List
Skip List
Zip List
Int Sets
Zip Maps (depreca...
How do you increase the max number of concurrent connections in Apache?
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Okay, but what is the memory required and CPU requirements for this optimal config. Or how do i take in the consideration of CPU and Memory also for this optimizations.
– indianwebdevil
Jul 23 '18 at 12:47
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Asynchronous Requests with Python requests
...understand why threads couldn't be used for async? What if you need to run CPU bound task asynchronously?
– Hodza
Feb 15 '19 at 10:33
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