Software Alternatives, Accelerators & Startups

NASM VS LLVM

Compare NASM VS LLVM and see what are their differences

NASM logo NASM

The Netwide Assembler, NASM, is an 80x86 and x86-64 assembler designed for portability and...

LLVM logo LLVM

LLVM is a compiler infrastructure designed for compile-time, link-time, run-time, and...
  • NASM Landing page
    Landing page //
    2021-10-11
  • LLVM Landing page
    Landing page //
    2019-11-06

NASM features and specs

  • Standardization
    NASM (Netwide Assembler) uses a standard and simple syntax that is consistent across different platforms and projects, making it easier for programmers to read and write assembly code.
  • Cross-Platform
    NASM supports multiple operating systems, including Windows, Linux, and macOS, allowing developers to write assembly code that can be assembled on different platforms.
  • Wide Compatibility
    NASM is compatible with numerous output formats such as ELF, COFF, and Mach-O, which makes it versatile for different types of development, including system-level programming and application software.
  • Open Source
    Being open source, NASM allows developers to contribute to its development or adapt it to fit specific needs, granting a high degree of flexibility and customization.
  • Active Community
    NASM has an active user and developer community, providing extensive support, resources, and regular updates that help address issues and enhance features.

Possible disadvantages of NASM

  • Low-Level Language
    Writing in assembly language, including NASM, is inherently low-level, making it complex and time-consuming compared to high-level programming languages.
  • Steep Learning Curve
    NASM requires a significant understanding of assembly language and computer architecture, which may present a steep learning curve for beginners.
  • Error-Prone
    Due to its low-level nature, development in NASM is prone to errors, such as memory management bugs, which can be difficult to debug.
  • Limited Use Cases
    While powerful, NASM is generally used for specific use cases like embedded systems, operating system development, or performance-critical applications, limiting its utility for general software development.
  • Maintenance Difficulty
    Assembly code is less maintainable over time compared to high-level languages, as it can be harder for developers to understand and update long after it was originally written.

LLVM features and specs

  • Modularity
    LLVM is designed to be modular and flexible, allowing developers to utilize only the components they need for their specific tasks. This makes it versatile for a wide range of use cases.
  • Optimization
    LLVM provides advanced optimization techniques that allow for efficient code execution across various platforms. It utilizes a variety of standard and state-of-the-art optimization passes to improve performance.
  • Cross-Platform Support
    LLVM supports a wide range of architectures and platforms, enabling developers to build and deploy applications across multiple target environments without needing to make significant code changes.
  • Rich Ecosystem
    The LLVM project includes a wide array of tools and libraries, such as Clang and LLDB, that enhance development capabilities and provide comprehensive support for different programming languages.
  • Community and Industry Adoption
    LLVM has a robust and active community, along with backing from major technology companies. This means consistent updates, improvements, and a broad support network for troubleshooting and enhancements.

Possible disadvantages of LLVM

  • Complexity
    Due to its extensive feature set and flexibility, LLVM can be complex to understand and use, particularly for newcomers who may find its detailed API and documentation challenging.
  • Resource Intensive
    The advanced optimizations and capabilities provided by LLVM can require significant compute resources, which might not be suitable for all systems or use cases, particularly those with limited capabilities.
  • Steep Learning Curve
    LLVM's power and flexibility come with a steep learning curve, demanding a strong understanding of compiler design and architecture to fully leverage its potential.
  • Limited Legacy Support
    While LLVM supports many modern architectures, its focus on newer platforms means that it may offer limited functionality for legacy systems or older processor architectures.
  • Lack of High-Level Language Features
    LLVM is primarily focused on compiler and intermediate representation infrastructure, which means that it does not provide some high-level language features or abstractions unless provided by front-end tools.

NASM videos

Why you should NOT get the NASM CPT || Certification

More videos:

  • Review - NASM CPT Certification | Chapter 1-20 Review |SHOW UP FITNESS PASS NASM GUARANTEED ONLINE INTERNSHIP
  • Review - NASM CPT review

LLVM videos

Interview with LLVM Foundation President Tanya Lattner

More videos:

  • Review - [COSCUP2021] A trip about how I contribute to LLVM
  • Review - Introduction to LLVM Building simple program analysis tools and instrumentation

Category Popularity

0-100% (relative to NASM and LLVM)
IDE
41 41%
59% 59
Text Editors
61 61%
39% 39
Email Marketing
19 19%
81% 81
Project Management
42 42%
58% 58

User comments

Share your experience with using NASM and LLVM. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, LLVM seems to be a lot more popular than NASM. While we know about 55 links to LLVM, we've tracked only 3 mentions of NASM. 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.

NASM mentions (3)

  • How to improve at x86/C?
    Try https://nasm.us/ as a modern way to use assembly. Source: about 2 years ago
  • Help needed for asm related project
    Assembly is machine specific, have a look at NASM for a more generic assembly language. https://nasm.us/. Source: about 2 years ago
  • vcpkg now (finally) has site with search functionality
    I have a weird problem: when I try using vcpkg on my work laptop, it cannot download nasm. Instead of nasm, I get an HTML page that explains that I am kept safe and secure by CSIS who blocked downloads from this dangerous domain. Vcpkg barfs on the HTML file (as it should). Source: almost 4 years ago

LLVM mentions (55)

  • macOS Sequoia is certified to Unix 03
    Apple has made some substantial open source contributions. - LLVM - https://llvm.org/ - They are the stewards of CUPS (Common UNIX Printing System) - https://www.cups.org/ - Darwin kernel is open source - https://github.com/apple-oss-distributions/xnu. - Source: Hacker News / 7 months ago
  • Why you should keep an eye on Apache DataFusion and its community.
    Similarly, LLVM revolutionized the world of programming languages and compilers. Since its creation, we've seen many new languages being created of increased complexity. - Source: dev.to / 10 months ago
  • Yes, Ruby is fast, but…
    In conclusion, none of the proposed changes to the Ruby version of the code makes a dent in the Crystal version. This is not entirely Crystal's doing: it uses the LLVM backend, which generates very optimized binaries. - Source: dev.to / 12 months ago
  • Playing with DragonRuby Game Toolkit (DRGTK)
    This Ruby implementation is based on mruby and LLVM and it’s commercial software but cheap. - Source: dev.to / 12 months ago
  • Ask HN: Which books/resources to understand modern Assembler?
    'Computer Architeture: A Quantitative Apporach" and/or more specific design types (mips, arm, etc) can be found under the Morgan Kaufmann Series in Computer Architeture and Design. "Getting Started with LLVM Core Libraries: Get to Grips With Llvm Essentials and Use the Core Libraries to Build Advanced Tools " "The Architecture of Open Source Applications (Volume 1) : LLVM" https://aosabook.org/en/v1/llvm.html... - Source: Hacker News / about 1 year ago
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What are some alternatives?

When comparing NASM and LLVM, you can also consider the following products

Yasm - Yasm is a complete rewrite of the NASM assembler.

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

flat assembler - A fast and efficient self-assembling x86 assembler for DOS, Windows and Linux.

clang - C, C++, Objective C and Objective C++ front-end for the LLVM compiler.

PCem - PCem emulates an IBM 5150 PC, several models of clones and successors, along with various graphics...

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