cpu-usage

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Why does a busy loop take 100% of the CPU?

Why does a busy loop often uses 100% of the cpu time while loops that implement complex algorithms开发者_如何学C would use much much less?[详细]

2023-03-01 17:46 分类：问答
Weird CPU usage in OpenGL program

In an MFC-program I built myself I have some weird problems with the CPU usage. I load a point cloud of around 360k points and everything works fine (I use VBO buffers which is the way to do it from[详细]

2023-03-01 14:10 分类：问答
Is there a better way to yield CPU to other processes in PHP?

I have some long-running CLI PHP scripts that run regularly via cron.I\'d like them to complete as quickly as possible but without seriously impacting other processes (such as web server responsivenes[详细]

2023-03-01 04:29 分类：问答
recording cpu usage of java applications

At present I have a set of benchmark tests for recording the speed at which a Java application connects submits and returns data from varying RDBMS housed on varying server platforms. The application[详细]

2023-02-28 00:23 分类：问答
why CPU usage close to reach to 100% when i use SOLR query all document

I have a application using SOLR to query 2 million+ document and sort by time. Query URL param like this /select?sort=p_review_date desc&rows=10&start=0&q=*:*, parameter start is variable[详细]

2023-02-27 20:03 分类：问答
Command to know whether my program is using only one CPU or multiple CPUs in a multiple processor machine

Is there any command to know whether my program is using only one processor or multiple processors? My program is not multi-threaded, so at a time only one CPU is being used by my program, but time[详细]

2023-02-26 11:45 分类：问答
How to make a JavaScript function use less memory (image rotation in background)

I have a function which rotates a background image on a webpage really slowly (it\'s a starfield). The function is as follows:[详细]

2023-02-23 13:44 分类：问答
Worker Thread CPU-bound

I have a TCP/IP thread (the main thread) that is listening in a port. When a TCP/IP request comes i spawn a thread to treat the request. If the worker thread is CPU开发者_如何学Python BOUND (imagine a[详细]

2023-02-23 04:14 分类：问答
Tracking CPU and memory usage with Google Analytics

I\'m looking for a good way to track CPU and memory usage for a variety of web applications and to be able to cross-reference this information with information on Google Analytics.For example, I\'d li[详细]

2023-02-22 20:47 分类：问答
How to get CPU usage for more than 2 cores?

I try to get in my program CPU usage divided by a cores. Now I use the PerformanceCounter and changing the InstanceName between 0 and 1 I have the data from 2 cores.[详细]

2023-02-21 17:55 分类：问答