eigen
embree-aarch64
| eigen | embree-aarch64 | |
|---|---|---|
| 19 | 1 | |
| - | 45 | |
| - | - | |
| - | 4.9 | |
| - | almost 4 years ago | |
| C++ | ||
| - | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
eigen
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Blaze: A High Performance C++ Math library
Is Eigen still alive? There's been no release in 3 years, and no news about it: https://gitlab.com/libeigen/eigen/-/issues/2699
- Gentoo -Os vs -O3 application startup time?
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The Case of the Missing SIMD Code
I was curious about these libraries a few weeks ago and did some searching. Is there one that's got a clearly dominating set of users or contributors?
I don't know what a good way to compare these might be, other than perhaps activity/contributor count.
[1] https://github.com/simd-everywhere/simde
[2] https://github.com/ermig1979/Simd
[3] https://github.com/google/highway
[4] https://gitlab.com/libeigen/eigen
[5] https://github.com/shibatch/sleef
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FetchContent and PROJECT_IS_TOP_LEVEL
I am trying to include Eigen in my project via FetchContent. They define/assume-defined PROJECT_IS_TOP_LEVEL on line 19 and, among other locations, on line 607 in their top level list file.
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Common practices when doing image processing on the GPU
Eigen is a header-only library, thus simply cloning it from the official repository into the FOGGDD folder should be enough.
- Use TFlite in a Cmake Project
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I've decided to learn Godot and it feels like I have "lost"
math library because you should never implement a math library yourself, and you probably want somethign more focused on performance than STL. GLM may work if you just need basic vector support. Eigen may help for a more physics heavy game. But I'd probably find something in-between those two
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CMake: How to include the headers of an external library downloaded with FetchContent?
cmake_minimum_required(VERSION 3.15) project(app) include(FetchContent) FetchContent_Declare(Eigen3 URL https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.gz) FetchContent_MakeAvailable(Eigen3) add_executable(app main.cpp) target_link_libraries(app Eigen3::Eigen)
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-🎄- 2021 Day 13 Solutions -🎄-
Today was very easy to do with Eigen
- The official Eigen repo is now back online
embree-aarch64
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Emulating AMD Approximate Arithmetic Instructions on Intel
Yikes.
A lot of code uses _mm_rsqrt_ps (sometimes) followed by a Newton-raphson update to compute a "precise" 1/sqrt(x). Here's a good example of NEON's rsqrt being sufficiently different from Intel, that more iterations were necessary for Embree on ARM [1].
Because I only cared about vectorization a long time ago, and AMD was so uncompetitive then, I'd bet a lot of code assumes that the SSE rsqrtps values match.
[1] https://github.com/lighttransport/embree-aarch64/issues/20
What are some alternatives?
NumCpp - C++ implementation of the Python Numpy library
math_routines
mathfu - C++ math library developed primarily for games focused on simplicity and efficiency.
EiGen - C++11 cross-platform migration of the Eigen Compiler Suite backend, and C frontends and libc/m for Eigen
learn-gdscript - Learn Godot's GDScript programming language from zero, right in your browser, for free.
mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.