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php Programming Glossary: cpuHow can I measure the speed of code written in php? http://stackoverflow.com/questions/1200214/how-can-i-measure-the-speed-of-code-written-in-php is slowing everything down ^^ Note that Xdebug counts the CPU time spent by PHP when PHP is waiting for an answer from a Database..
Optimizing Kohana-based Websites for Speed and Scalability http://stackoverflow.com/questions/1260134/optimizing-kohana-based-websites-for-speed-and-scalability a couple of minutes example homepage then no need to waste CPU re generating them each time a user requests them. Maybe there.. with APC and Squid Cache . It can really lower the CPU load of a server a lot in some cases I've seen CPU load on some.. the CPU load of a server a lot in some cases I've seen CPU load on some servers go from 80 to 40 just by installing APC..
Efficient JPEG Image Resizing in PHP http://stackoverflow.com/questions/12661/efficient-jpeg-image-resizing-in-php of them a few times. Compare results total execution time CPU and I O usage result image quality . Something which the best..
How to extract img src, title and alt from html using php? http://stackoverflow.com/questions/138313/how-to-extract-img-src-title-and-alt-from-html-using-php s 32 d identicon r PG 1 gravatar image .. Regexps are CPU intensive so you may wan to cache this page. If you have no..
Run a PHP script every second using CLI http://stackoverflow.com/questions/1726116/run-a-php-script-every-second-using-cli great. It is really super fast and I see no increase in CPU nor Memory usage. php loops cron cli share improve this question..
PHP include(): File size & performance http://stackoverflow.com/questions/2298196/php-include-file-size-performance not done each time anymore which is great it'll mean less CPU used as the compilation will not be done anymore it'll be done..
Exotic names for methods, constants, variables and fields - Bug or Feature? http://stackoverflow.com/questions/3417180/exotic-names-for-methods-constants-variables-and-fields-bug-or-feature in memory the original version and it also spends some CPU converting the encoding. Multi byte support is usually not compiled..
http://stackoverflow.com/questions/4145531/how-to-create-and-use-nonces
On-the-fly zipping & streaming of large files, in PHP or otherwise http://stackoverflow.com/questions/4357073/on-the-fly-zipping-streaming-of-large-files-in-php-or-otherwise a schema has the following drawbacks a period of intensive CPU and disk thrashing unacceptably high memory utilization per.. are loaded entirely into memory and results in disk and CPU usage spikes. In contrast consider the following bash snippet..
Tracking the script execution time in PHP http://stackoverflow.com/questions/535020/tracking-the-script-execution-time-in-php time in PHP PHP is obviously tracking the amount of CPU time that a particular script has used to enforce the max_execution_time.. like to include some logging with my tests about how much CPU was burnt in the actual PHP the time is not incremented when..
What's better at freeing memory with PHP: unset() or $var = null http://stackoverflow.com/questions/584960/whats-better-at-freeing-memory-with-php-unset-or-var-null will do it when it see fits by intention as soon as those CPU cycles aren't needed anyway or as late as before the script.. You might get memory freed shrunk faster but it may steal CPU cycles from the code that truly needs them sooner resulting..
Improve password hashing with a random salt http://stackoverflow.com/questions/9420722/improve-password-hashing-with-a-random-salt NOTE Using such a mechanism is these days mandatrory since CPU time usable for attacks like rainbow tables brute force etc...
How feasible is a daemon written in PHP, using ignore_user abort and set_time_limit(0) http://stackoverflow.com/questions/1006891/how-feasible-is-a-daemon-written-in-php-using-ignore-user-abort-and-set-time-li daemons and wondered how feasible in terms of memory and cpu usage and reliability it is to do this using PHP php Ignore..
http://stackoverflow.com/questions/10778318/test-if-a-string-is-regex
need help optimizing wordpress meta_query http://stackoverflow.com/questions/13042844/need-help-optimizing-wordpress-meta-query in optimizing this wordpress query it currently takes 100 cpu usage and have never got the chance for it to finish SELECT.. BY wp_postmeta.meta_value 0 ASC It no longer uses too much cpu and the query takes 0.0331 sec. Any other ideas would be appreciated...
PHP runtime class modification http://stackoverflow.com/questions/1593497/php-runtime-class-modification When I look up to my ideas the simplest one and less cpu intensive seems to be to overload _call and add a way for methods..
how to manage and queue background jobs [closed] http://stackoverflow.com/questions/1811931/how-to-manage-and-queue-background-jobs and queue background jobs closed A web app that launches cpu intensive background jobs in the background whenever users call..
Registry or Singleton pattern in PHP? http://stackoverflow.com/questions/2101943/registry-or-singleton-pattern-in-php would be any sort of performnce gain less memory usage cpu usage load time . So anyone with experience in this maybe can..
Idiot-proof, cross-browser force download in PHP http://stackoverflow.com/questions/2222955/idiot-proof-cross-browser-force-download-in-php file @ob_end_clean turn off output buffering to decrease cpu usage required for IE otherwise Content Disposition may be ignored..
PHP include(): File size & performance http://stackoverflow.com/questions/2298196/php-include-file-size-performance sidnote in a general situation you'll gain a lot more time cpu resources optimizing your SQL queries or adding some caching..
Webkit and Excel file(PHPexcel) http://stackoverflow.com/questions/3019068/webkit-and-excel-filephpexcel @ob_end_clean turn off output buffering to decrease cpu usage required for IE otherwise Content Disposition may be ignored..
Exotic names for methods, constants, variables and fields - Bug or Feature? http://stackoverflow.com/questions/3417180/exotic-names-for-methods-constants-variables-and-fields-bug-or-feature are however a few downsides Peformance hit both memory and cpu. It stores a representation of the script in an internal multi..
How to get CPU usage and RAM usage without exec? http://stackoverflow.com/questions/4705759/how-to-get-cpu-usage-and-ram-usage-without-exec used system type CPU speed usage count RAM usage php cpu ram system information share improve this question Use PHPSysInfo..
How to make php scripts run in parallel? http://stackoverflow.com/questions/6618026/how-to-make-php-scripts-run-in-parallel
Why doesn't exec(“top”); work on Linux? http://stackoverflow.com/questions/6653567/why-doesnt-exectop-work-on-linux the 'ps' command with arguments which will sort output by cpu utilization. http www.devdaily.com linux unix linux process..
Suggestions/Tricks for Throttling a PHP script http://stackoverflow.com/questions/752337/suggestions-tricks-for-throttling-a-php-script takes several minutes to run. The problem is the server's cpu usage spikes while the script is running and slows down normal.. tell the Lamp in this case Wamp stack to only use 10 max cpu utilization. I'm not concerned at all about runtime and would.. and would prefer that it take longer if it means saving cpu cycles per second. My alternate solution would be to setup a..
How to benchmark efficiency of PHP script http://stackoverflow.com/questions/8291366/how-to-benchmark-efficiency-of-php-script This raises another question are you bottlenecking on cpu ram io You also need to look beyond just the code you are running.. thrown back out as quickly as possible with smallest cpu consumption the goal The former can be helped by doing things..
MySQL connection: globally or in object? http://stackoverflow.com/questions/8438237/mysql-connection-globally-or-in-object on the amount of users and the server's specs e.g. memory cpu etc. The system needs to support up to about 1 000 users so..
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