cpu
Java profiling: detect which piece of code causes high CPU load
I profiled my code with both JProfiler and YourKit. However, I haven\'t been able to figure out how to detect which piece of code is responsible for high CPU load.[详细]
2023-03-03 22:42 分类：问答efficient 2d mean filter implementation that minimises redundant memory loads?
Suppose a general sliding algorithm that executes some function on a kernel, like a mean-filter (average-filter) or the sum of absolute differences algorithm in image processing. As the kernel slides[详细]
2023-03-03 11:38 分类：问答efficient evaluation of max(a,b) inside loop c.f. branch prediction?
What is an efficient way to calculate the maximum of 2 floats inside a for loop in C without using a logic statement which might stall the pipeline such as a > b ? a : b?[详细]
2023-03-03 08:59 分类：问答Execute RDMSR and WRMSR instructions from C/C++ code
I need to control C-State configuration. Specifically, I\'d probably like to execute the following asm code:[详细]
2023-03-02 07:38 分类：问答What core is a given thread running on?
Is there a function or any other way to know, programatically, what core of what processor a given开发者_运维技巧 thread of my program (pid) is running on? Both OpenMP or Pthreads solutions would help[详细]
2023-03-01 13:21 分类：问答how to make unix command use multiple CPUs
How can I make a unix command (say a one-liner using cut and awk on a HUGE file) use all 16 cores instead of just 1? This isn\'t a program where I can use -j and specify the number of CPUs to us开发者[详细]
2023-03-01 09:11 分类：问答How does the CPU do subtraction?
I have some basic doubts, but every time I sit to try my hands at interview questions, these questions and my doubts pop up.[详细]
2023-02-28 16:37 分类：问答can a graphic card be emulated with the cpu and ram
can a graphic card be sort-of \"emulated\" so the system can show display with开发者_如何学Goout a graphics card when it starts upOf course. Such a thing is called a \"virtual framebuffer\".[详细]
2023-02-28 12:50 分类：问答英特尔八核cpu多少钱？？
张望如 2021-05-11 10:27 开发者_Go百科 这得看处理器的具体型号是什么才能知道价格，洋垃圾intel八核几百块钱的也有，全新的5000元的也有。以现在主流的平台来看，八核心的INTEL处理器有i7 7820X ，采用的是LG[详细]
2023-02-28 08:40 分类：问答Writing a CPU bound script to gauge rough CPU performance
I have wrote a script and running it on different machines. Script looks like below def f(n): x = None while n:[详细]
2023-02-25 01:09 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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