Profiling is the process of measuring an application or system by running an analysis tool called a profiler. Profiling tools can focus on many aspects: functions call times and count, memory usage, cpu load, and resource usage.

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Tensorboard— Compute time of a High-level node is not the same as the summation of compute times of its sub-nodes

Following the tutorial on TensorFlow, I am trying to understand run-time statistics using tensorboard. I find that the compute time of a High-level node representing a name scope is not equal to the ...
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Calculate time taken for SQL Query execution and to convert rows to java objects in mybatis

I have a sql query in mybatis which outputs around 35000 records. I want to calculate the time taken for the query execution and then to convert those output rows into java objects separately. This ...
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Chrome low fps - devtools long update layer tree and composite layers with very few layers on page

I am attempting to debug low FPS on my page. I see a lot of time spent per frame on "Update Layer Tree" and "Composite Layers". Update layer tree is consistently between 10-20ms and composite layers ...
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Understanding GoLang Profiling output

Some context:I'm trying to debug a GoGRPC server, a specific API call seems to take a lot of time. This call does a number of reads to Kafka(lets say 10-20) so I expected it to take some time, just ...
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End to end profiling of nodejs REST Api

I have written a Nodejs api that will be accessed using 5000 concurrent requests.I have test the api using Jmeter for 5000 concurrent users. The api is taking very little time initially but after ...
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24 views

Unable to run Continuous Flight Recorder for Java app running as a service on Windows10

I'm trying to profile a Java application, which is running as a Service in Windows 10(64 bit) using Java flight recorder dumponexit option. During the execution, Windows does create a temporary ...
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45 views

Is there a Julia equivalent of Python's %timeit

In Python, a convenient way to evaluate the performance of code is timeit. In Julia we have @time, but this has the disadvantage of only running a piece of code once, which means you need to execute ...
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Understanding results from Chrome request timing

I am doing some profiling of my web app and I am puzzled about the results I am getting from the Chrome built-in timing of requests. To put things simple, lets say I request a web page composed of:...
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Java EE/wildfly spending a lot of time outside of core application

I am trying to profile my application and figure out why it is slow and if there are any ways to improve the performance.So, I've tested the profiler JProfile and connected it to the correct JVM....
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45 views

When using ruby-prof, what is the source of `[global]#[no method]` in the profiler output?

Short Version:What is the source of [global]#[no method] in the Ruby profiler output below, and is there any way to eliminate it or reduce its time? It's taking up over 50% of the total execution ...
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Profiling Templated Library C++

I am including a huge template library in my main.cpp file, I want to heap profile the resulting program. I am using massif for that with ms_print for visualisation. Compiling with -pg.In the table ...
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Java IntelliJ What is the best way to analyse code for Null Pointer exceptions, Index out of bounds, etc [closed]

I am dealing with a legacy code base and am looking at ways to get instant feedback on the state of the code base. I have looked at options like Analyze > Inspect Code, etc. I was wondering if you ...
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How do I use python's cprofile with Django on the development server?

I tried using the Python tool cProfile. If I do unit tests on my files (I usually have a set of test routines if the module is invoked from the CLI in python) then doing python -m cProfile -o ...
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Can VisualVM profile Java 9 applications?

Hello I am trying to optimise my application, I've had JProfiler installed for the last 2 weeks but the trial period is up and I can't afford the megabucks.I want to use VisualVM but I can't get it ...
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VisualVM - Does profiling provide more information than sampling?

public class Profi {public static void main(String[] args) throws IOException, InterruptedException {System.out.println("enter");System.in.read(); //wait for VisualVM to connect and ...

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