What is cProfile?

Asked By: Hur Goldsand | Last Updated: 9th April, 2020
Category: technology and computing programming languages
4.8/5 (40 Views . 44 Votes)
cProfile and profile provide deterministic profiling of Python programs. The Python standard library provides three different implementations of the same profiling interface: cProfile is recommended for most users; it's a C extension with reasonable overhead that makes it suitable for profiling long-running programs.

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Simply so, what is cProfile Python?

Python includes a built in module called cProfile which is used to measure the execution time of a program. cProfiler module provides all information about how long the program is executing and how many times the function get called in a program.

Furthermore, what is a profiler in programming? In software engineering, profiling ("program profiling", "software profiling") is a form of dynamic program analysis that measures, for example, the space (memory) or time complexity of a program, the usage of particular instructions, or the frequency and duration of function calls.

Also asked, what are the tools for Linting debugging and profiling?

Profilers are used to take measurements of a code for later analysis, to check performance.

More Powerful Profilers/Tracers.

Tool Module Summary
HPCToolkit hpctoolkit Profiler and MPI trace analyser for MPI, OpenMP, threaded and serial codes.

How do you use Timeit?

timeit(stmt, setup, timer, number) accepts four arguments: stmt which is the statement you want to measure; it defaults to 'pass'. setup which is the code that you run before running the stmt; it defaults to 'pass'. We generally use this to import the required modules for our code.

22 Related Question Answers Found

What is KCachegrind?

KCachegrind / QCachegrind -======================== {K,Q}Cachegrind is a KDE/Qt GUI to visualize profiling data. It's mainly used as visualization frontend for data measured by Cachegrind/Callgrind tools from the Valgrind package, but there are converters for other measurement tools available.

How can I make Python run faster?

Here are 5 important things to keep in mind in order to write efficient Python code.
  1. Know the basic data structures.
  2. Reduce memory footprint.
  3. Use builtin functions and libraries.
  4. Move calculations outside the loop.
  5. Keep your code base small.

How does Python calculate time?

Python provides the timeit module for measuring the execution time of small code snippits. This can be called from the command line, or by importing it into an exisiting program. The timeit function will run the code a set number of times (in this case 100000) and then report how long it took to run (in seconds).

Which of the following modules are used to deal with data compression and archiving?

See also Archiving operations provided by the shutil module.
  • zlib — Compression compatible with gzip.
  • gzip — Support for gzip files. Examples of usage.
  • bz2 — Support for bzip2 compression.
  • lzma — Compression using the LZMA algorithm.
  • zipfile — Work with ZIP archives.
  • tarfile — Read and write tar archive files.

What is debugging in Python?

Python Debugger Commands
Essentially, a debugger is a tool that gives you a way to, let's say, open up the application in a certain spot so you can have a look at your variables, call stack, or whatever you need to see, set conditional breakpoints, step through the source code line by line, etc.

What is a profiler job?

Job Description
While detectives usually focus on solving crimes, criminal profilers specialize in identifying the criminals behind serious crimes, including serial killers, serial arsonists or unidentified terrorists. Providing expert witness testimony in court to explain crime scene behavior and evidence.

How does a profiler work?

How profilers work. Profilers are tools designed to check how programs use various computing resources. They measure various program characteristics (memory usage, duration of function calls, etc.) while program is running and aggregate collected data to create a report that can aid program optimization.

What is profiling a person?

Definition of profiling. : the act or process of extrapolating information about a person based on known traits or tendencies consumer profiling specifically : the act of suspecting or targeting a person on the basis of observed characteristics or behavior racial profiling.

How do you become a profiler?

Here is one possible path to becoming a criminal profiler:
  1. Step 1: Graduate from high school.
  2. Step 2: Get a bachelor's degree in forensics, criminal justice, psychology, or a related discipline (4 years).
  3. Step 3: Attend a law enforcement academy (3-5 months).
  4. Step 4: Garner experience in the field (several years).

How do you profile a person?

To profile people, start by analyzing a person you know so you can observe them for some time, like a friend. Keep a record of their actions over time, noting things like their body language.

What is CPU profiling?

The CPU profile tells you how the virtual machine (VM) has been spending its time when executing an isolate. The following video gives a brief overview of Observatory with some specific tips on how to use the profiling feature. Observatory profiles an app by sampling the isolate at regular intervals.

What is a profiler C++?

C++ Profiler Tool. The C++ Profiler tool enables the collection and display of execution profile data on C++ software source code bases of arbitrary size. It is a member of SD's family of Profiler tools.

What is Java profiling tools?

A Java Profiler is a tool that monitors Java bytecode constructs and operations at the JVM level. These code constructs and operations include object creation, iterative executions (including recursive calls), method executions, thread executions, and garbage collections.

How do you do performance profiling?

  1. Step 1 - Coach outlines the Performance Profiling process.
  2. Step 2 - Athlete identifies the characteristics of an elite athlete in his/her sport/event.
  3. Step 3 - Athlete rates each in terms of a level of importance and self-assessment.
  4. Step 4 - Athlete and Coach analyse the results and agree to a way forward.