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How to exclude a directory in find . command

...fference. Do keep in mind that which command start first will benefit from cpu performance, the later cpu warm up > performance drop cause minor slow down (I did purge cache before each command as @ndemou suggestion) – Huy.PhamNhu Sep 28 '17 at 17:35 ...
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Is inline assembly language slower than native C++ code?

...ion scheduling, for example, is very hard to tune by hand) and modern CISC CPUs have very long pipelines too. For some complex microcontrollers even system libraries are written in C instead of assembly because their compilers produce a better (and easy to maintain) final code. Compilers sometimes...
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Is Java a Compiled or an Interpreted programming language ?

...tion to compile the bytecode to native instructions understood by hardware CPU on the fly at runtime. Some implementations of JVM may choose to interpret the bytecode instead of JIT compiling it to machine code, and running it directly. While this is still considered an "interpreter," It's quite ...
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Reading binary file and looping over each byte

...orming but easily understandable code can be much preferred. The waste of CPU cycles is compensated for saving "reader CPU cycles" when maintaing the code. – IllvilJa Feb 5 '19 at 9:37 ...
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When should I use the “strictfp” keyword in java?

...lations need to be deterministic no matter what the underlying hardware or CPU is. What's the trade-off? Most likely execution time. share | improve this answer | follow ...
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NSOperation vs Grand Central Dispatch

...down of these NSOperations was accounting for a significant portion of the CPU cycles in the running application, and was slowing things down. I replaced these with simple blocks and a GCD serial queue, and that overhead disappeared, leading to noticeably better rendering performance. This wasn't th...
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What do people find difficult about C pointers? [closed]

...ng a bit too deep in their answers. An understanding of scheduling, actual CPU operations, or assembly-level memory management isn't really required. When I was teaching, I found the following holes in students' understanding to be the most common source of problems: Heap vs Stack storage. It is ...
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Understanding dispatch_async

... the system has taken your implication that those tasks need to get to the CPU as quickly as possible. Note also that I say "will begin executing in order", but keep in mind that as concurrent queues things won't necessarily FINISH executing in order depending on length of time for each task. As ...
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What is Turing Complete?

... together to allow for all of those nice things that you mention. E.g. the CPU produces "tape" for the GPU to read so that it can write "tape" for the monitor so that the monitor can write "tape" to the user. Likewise, the CPU could produce "tape" for the hard drives, NICs, sound cards, etc. ...
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?

... Disabling the subversion plugin took my cpu down from 100% to less than 2%. If your IntelliJ 13 is slow it is probably a plugin, this should be the accepted answer. – pllee Jun 6 '14 at 15:22 ...