scope_guard VS iswasmfast

Compare scope_guard vs iswasmfast and see what are their differences.

iswasmfast

Performance comparison of WebAssembly, C++ Addon, and native implementations of various algorithms in Node.js. (by zandaqo)
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scope_guard iswasmfast
3 4
176 195
- -
3.7 0.0
over 1 year ago almost 2 years ago
C++ JavaScript
The Unlicense MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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scope_guard

Posts with mentions or reviews of scope_guard. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-04-14.
  • Building a Cloud Database from Scratch: Why We Moved from C++ to Rust
    1 project | news.ycombinator.com | 28 May 2022
    E.g. see this implementation: https://ricab.github.io/scope_guard/

    But also I should make the point that you generally don't need to write defer-like statements at all when using RAII because it's implemented in the actual type. So it's only more code overall for types that are used only once or maybe twice.

  • Possible compiler error ?
    1 project | /r/cpp_questions | 28 Apr 2022
    Meanwhile I will check and use https://github.com/ricab/scope_guard
  • Is WebAssembly magic performance pixie dust?
    8 projects | news.ycombinator.com | 14 Apr 2021
    > low level details leak into your high level description of code, making the two coupled. You can’t make them invisible.

    It's your job to make it not to leak. You have to write Modern C++ wrappers around C libs.

    Similarity, The same can be said for Java. You can do low level in Java.

    C++ is not C. C++ has backward compatibility with C.

    Look at Boost folks, they wrote a Modern C++ wrapper around a C HTTP parser.

    > And as I said, I’m familiar with RAII, it’s really great when the given object is scope-based, but can’t do anything otherwise.

    Nothing is impossible.

    You can use Scope Exit Guard with QT Widget.

    https://github.com/ricab/scope_guard

    > And if the new subclass has some non-standard object life cycle you HAVE to handle that case somewhere else, modifying another aspect of the code. It is not invisible, unless you want leaking code/memory corruption.

    Again, Scope Exit Guards solve your problem!

iswasmfast

Posts with mentions or reviews of iswasmfast. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-01-31.
  • Pay Attention to WebAssembly
    12 projects | news.ycombinator.com | 31 Jan 2022
    At a glance, the bindings for wasm copy the data,

    https://github.com/zandaqo/iswasmfast/blob/54bbb7b539c127185...

    If the running code is short enough then that copy might easily make the wasm version much slower. That is indeed a known downside of wasm (calls to JS are somewhat slow, and copying of data even more so - wasm shines when you can avoid those things).

    If it's not that, then a 10x difference suggests you are running into some kind of a VM bug or limitation.

  • Node.js 16 Available Now
    5 projects | news.ycombinator.com | 20 Apr 2021
    WASM has its moments, as you can see in this[1] benchmark it outperforms JS and native addons on certain tasks.

    Since the bottleneck with native addons is usually data copying/marshalling, and we have direct access to WebAssembly memory from the JavaScript side, using WebAssembly on this "shared" memory might become the best approach for computationally heavy tasks. I wrote about it a bit here[2].

    [1] https://github.com/zandaqo/iswasmfast

  • Is WebAssembly magic performance pixie dust?
    8 projects | news.ycombinator.com | 14 Apr 2021
    A few years ago I did similar comparison but in context of Node.js and sans manual optimizations: https://github.com/zandaqo/iswasmfast

    In my work, I have come to conclusion that it seldom pays off to go "native" when working with Node.js. More often than not, rewriting some computationally heavy code in C and sticking it as a native module yielded marginally better results when compared with properly optimized js code. Though, that doesn't negate other advantages of using said technologies: predictable performance from the start and re-using existing code base.

What are some alternatives?

When comparing scope_guard and iswasmfast you can also consider the following projects:

cpp-peglib - A single file C++ header-only PEG (Parsing Expression Grammars) library

neon - Rust bindings for writing safe and fast native Node.js modules.

maddy - C++ Markdown to HTML header-only parser library

expresscpp - Fast, unopinionated, minimalist web framework for C++ Perfect for building REST APIs

expected-lite - expected lite - Expected objects in C++11 and later in a single-file header-only library

friendly-pow - The PoW challenge library used by Friendly Captcha

human-asmjs - Tips and tricks for writing asm.js as a human - Note: WebAssembly has replaced asm.js, so this is no longer maintained.

design - WebAssembly Design Documents

influxdb-cpp - 💜 C++ client for InfluxDB.

rabin-wasm - Rabin fingerprinting implemented in WASM

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