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What are Transient and Volatile Modifiers?
...le variable will be read from the computer's main memory, and not from the CPU cache, and that every write to a volatile variable will be written to main memory, and not just to the CPU cache.
2) transient keyword cannot be used along with static keyword but volatile can be used along with static.
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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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What are some resources for getting started in operating system development? [closed]
...as already laid out for you. For example, contact Intel and ask them for a CPU card for your type of CPU! This will lay it out for you - the "pin-outs", interrupts, opcodes, you name it!
Remember the hardware makes it all possible. Study the hardware. You won't regret it.
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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...
互联网数据造假盛行 浮夸风伤害创新经济 - 资讯 - 清泛网 - 专注C/C++及内核技术
...今年3月同样公开指出，IT产业与互联网产业存在很大诚信问题，出现严重的数据造假，甚至出现“税前营业额”这种奇怪的名词。
数据造假乱象
本应艰辛励志的创业故事开始变得浮躁起来，数据造假和各种谎言在互联网行业...
How to free memory in Java?
...new in the last six years) G1 collector is a low-pause model; it uses more CPU overall, but does it's best to never force a hard-stop on execution. Since server CPUs now almost all have multiple cores, this is A Really Good Tradeoff to have available.
Look at your flags tuning memory use. Especial...
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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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 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 ...
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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