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Performance

 
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2673
Location: Europe

PostPosted: Thu Jul 05, 2007 5:02 pm    Post subject: Performance Reply with quote

RC: QueryPerformanceCounter is not a source for unique identifiers

"But there are many problems with RDTSC. For example, variable-speed
processors mean that the rate at which CPU clock elapse varies over time.
A million clock ticks might take one millisecond when the computer is running
on wall power, but two milliseconds when running on battery power."
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XNote
Kapetan


Joined: 16 Jun 2006
Posts: 524

PostPosted: Fri Nov 02, 2007 9:29 pm    Post subject: Reply with quote

msdn - Performance Counters

"Counters are used to provide information as to how well the operating
system or an application, service, or driver is performing. The counter
data can help determine system bottlenecks and fine-tune system and
application performance."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2673
Location: Europe

PostPosted: Thu May 29, 2008 4:09 pm    Post subject: Reply with quote

JoS: Mem/CPU usage software

"The "Performance Monitor" comes with Windows has a logging facility. You
can set it to log the data into a file. I use it to find out if my application leaks
memory in a very long time frame (several days). Quite useful."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Fri Oct 17, 2008 11:48 pm    Post subject: Reply with quote

SO - How do I profile how long a piece of code takes to execute in
Objective-C/Cocoa for optimization purposes


Lets say I've got two interchangeable pieces of code and I want to figure out
which one of them takes less processor time to execute. How would I do this?"
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XNote
Kapetan


Joined: 16 Jun 2006
Posts: 524

PostPosted: Tue Feb 09, 2010 8:20 pm    Post subject: Reply with quote

MF - Help with geometry calculation for CALayer

"So I'm trying to derive the value of point (p, q) and the rotation value r in
terms of the other variables, and I'm having a hard time figuring out how
to get there. It's been over 10 years since I took trig and I'm not sure how
best to go about tackling this one."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2673
Location: Europe

PostPosted: Sun May 20, 2018 8:53 pm    Post subject: Reply with quote

git - frol/completely-unscientific-benchmarks

"Naive performance comparison of a few programming languages (JavaScript,
Kotlin, Rust, Swift, Nim, Python, Go, Haskell, D, C++, Java, C#, Object Pascal,
Ada)"
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