I have previously asked about How to automatically send email to Admin when a user/member changes his/hers profile data. And got some very good answers. Send automatic mail to Admin when user/member changes/adds profile Now a follow up: I only want to send/email the data (profiledata) that was updated/added. 2 Answers 2 So, as Bainternet … Read more
I want to find out how much time a certain function takes in my C++ program to execute on Linux. Afterwards, I want to make a speed comparison . I saw several time function but ended up with this from boost. Chrono: process_user_cpu_clock, captures user-CPU time spent by the current process Now, I am not … Read more
XDebug offers the configuration directive xdebug.profiler_enable_trigger that allows to activate profiling by passing the GET or POST parameter “XDEBUG_PROFILE” when calling a script via HTTP. This is handy if you don’t want profiling for ALL of your scripts but only for a few special cases without always changing your PHP configuration. Is there a way … Read more
This question already has answers here: Find size of object instance in bytes in c# (16 answers) Closed 4 years ago. I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable, or SortedList, or List<String>. 6 Answers 6
Question Since I am using multiple instances of home_url() in one page template, I was curious if the following method would speed up my page load time. My method is to store the output of home_url() within a variable and then call that variable each time, rather than using home_url() each time. Motivation The reason … Read more
What is the difference between the ‘self’ and ‘total’ columns in the Chrome CPU profiling of JS code? 2 Answers 2
I have a production server running with the following flag: –XX:+HeapDumpOnOutOfMemoryError Last night it generated a java-38942.hprof file when our server encountered a heap error. It turns out that the developers of the system knew of the flag but no way to get any useful information from it. Any ideas? 7 Answers 7
I’ve recently become interested in algorithms and have begun exploring them by writing a naive implementation and then optimizing it in various ways. I’m already familiar with the standard Python module for profiling runtime (for most things I’ve found the timeit magic function in IPython to be sufficient), but I’m also interested in memory usage … Read more
What’s the easiest way to profile a PHP script? I’d love tacking something on that shows me a dump of all function calls and how long they took but I’m also OK with putting something around specific functions. I tried experimenting with the microtime function: $then = microtime(); myFunc(); $now = microtime(); echo sprintf(“Elapsed: %f”, … Read more
Is there a standardized way in R of measuring execution time of function? Obviously I can take system.time before and after execution and then take the difference of those, but I would like to know if there is some standardized way or function (would like to not invent the wheel). I seem to remember that … Read more
