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苦逼的年轻人和年薪百万的区别到底在哪里？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...工配备导师，带他们项目，教他们技术，解答他们的一切问题。他常念叨，离开大学后，Facebook 是他能找到的全世界最好的学校。他是导师的忠实粉丝，想跟完手头的项目，多学一些再走。
他已经跟完好几个项目了，每完成一...
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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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 ...
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.
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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...
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 ...
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 ...
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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HashSet vs. List performance
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@hypehuman the CPU cannot work directly on data in the system memory but pulls in data from the memory into its cache to work on. There is a significant delay between the request for memory to be moved and the memory actually arriving so th...
Which parallel sorting algorithm has the best average case performance?
...ld):
Parallel sorting pattern
Many-core GPU based parallel sorting
Hybrid CPU/GPU parallel sort
Randomized Parallel Sorting Algorithm with an Experimental Study
Highly scalable parallel sorting
Sorting N-Elements Using Natural Order: A New Adaptive Sorting Approach
Update for 2013:
Here is the ble...