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Emscripten VS PyPy

Compare Emscripten VS PyPy and see what are their differences

Emscripten logo Emscripten

Emscripten is an LLVM to JavaScript compiler.

PyPy logo PyPy

PyPy is a fast, compliant alternative implementation of the Python language (2.7.1).
  • Emscripten Landing page
    Landing page //
    2021-08-02
  • PyPy Landing page
    Landing page //
    2023-10-15

Emscripten videos

Monster Madness Online (Emscripten Web Technology Overview)

PyPy videos

PyPy - the hero we all deserve. - Amit Ripshtos - PyCon Israel 2019

More videos:

  • Review - Using the PyPy runtime for Python
  • Review - How PyPy runs your program

Category Popularity

0-100% (relative to Emscripten and PyPy)
Email Marketing
100 100%
0% 0
Website Builder
0 0%
100% 100
IDE
100 100%
0% 0
Website Design
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Emscripten should be more popular than PyPy. It has been mentiond 45 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Emscripten mentions (45)

  • Software Applications Incorporated
    Https://infinitemac.org, which is https://basilisk.cebix.net compiled for the web using https://emscripten.org. - Source: Hacker News / 5 months ago
  • How does one get started with unit testing?
    One place that I’ve found some real, open source unit tests to look at for an example is in the emsdk for emscripten: https://emscripten.org. Source: 5 months ago
  • Playing with low-level memory in WebAssembly
    I am playing around with Emscipten which wraps around clang to compile C/C++ code in WASM binary and provide some glue-code API to embed WASM binary into JavaScript. Look into MDN Docs and Emscripten SDK to get started. - Source: dev.to / 8 months ago
  • Is there any alternative other than JavaScript to deal with web frontend?
    Elm is a different approach that compiles into JavaScript. In the extreme case, you have Emscripten which will compile many language into JavaScript but will feel really clumsy compared to using JavaScript in a lot of cases. Source: 11 months ago
  • SQLite builds for WASI since 3.41.0
    SQLite is a pretty popular database and it's a critical dependency for many different applications. By compiling it to Wasm32-wasi, you can add it to any WebAssembly module. This enables a new set of possibilities for Wasm and SQLite. For example, now you can run a full WordPress application in the browser [1][2] / server [3] using the same Wasm module. Note that for the browser these projects use Emscripten [4],... - Source: Hacker News / 12 months ago
View more

PyPy mentions (5)

  • Yes, Ruby is fast, but…
    Python: My Python-foo is limited, so I only ported the last problem (a simple while loop) and ran it with PyPy. It takes a bit less of time:. - Source: dev.to / 13 days ago
  • Python 3.12: A Game-Changer in Performance and Efficiency
    If you r looking for performance with almost fully supported C Extensions , pypy.org for you , 20x faster than cpython still. Source: about 1 year ago
  • What change should Python 4 bring, in your opinion?
    I think you never heard of PyPy it is drop in replacable python written in Python and It is jit avg 5x faster than Python , 20x faster in some cases. Https://pypy.org. Source: almost 2 years ago
  • 4x smaller, 50x faster
    Well, pypy is a thing. Of course, your overall point still stands. Source: over 2 years ago
  • Microsoft is hiring, looking to speed up cpython
    Why don't they just sponsor pypy.org ? Its already 4x faster in average , 20x in many cases. We are using in 4 of our projects with one of them 10k active concurrent connections max , and its absolutely amazing. Its a realtime telemedince/chatroom (OnDoctor check in playstore). And we host it on 40$ Digital ocean machine. A lot less memory usage and so much faster. Source: almost 3 years ago

What are some alternatives?

When comparing Emscripten and PyPy, you can also consider the following products

Tiny C Compiler - The Tiny C Compiler is an x86, x86-64 and ARM processor C compiler created by Fabrice Bellard.

cx_Freeze - cx_Freeze is a set of scripts and modules for freezing Python scripts into executables in much the...

LLVM - LLVM is a compiler infrastructure designed for compile-time, link-time, run-time, and...

PyInstaller - PyInstaller is a program that freezes (packages) Python programs into stand-alone executables...

GNU Compiler Collection - The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting...

nuitka - Nuitka is a Python compiler.