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diff --git a/third_party/simde/README.md b/third_party/simde/README.md new file mode 100644 index 0000000000..2c3fdd15ef --- /dev/null +++ b/third_party/simde/README.md @@ -0,0 +1,475 @@ +# SIMD Everywhere +<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section --> +[](#contributors-) +<!-- ALL-CONTRIBUTORS-BADGE:END --> +[](https://matrix.to/#/#simd-everywhere_community:gitter.im) +[](https://codecov.io/gh/simd-everywhere/simde) + +The SIMDe header-only library provides fast, portable implementations of +[SIMD intrinsics](https://en.wikipedia.org/wiki/SIMD) on hardware which +doesn't natively support them, such as calling [SSE](https://en.wikipedia.org/wiki/Streaming_SIMD_Extensions) +functions on ARM. There is no performance penalty if the hardware +supports the native implementation (*e.g.*, SSE/[AVX](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions) +runs at full speed on [x86](https://en.wikipedia.org/wiki/X86), +[NEON](https://en.wikipedia.org/wiki/ARM_architecture#Advanced_SIMD_(Neon)) on [ARM](https://en.wikipedia.org/wiki/ARM_architecture), +*etc.*). + +This makes porting code to other architectures much easier in a few +key ways: + +First, instead of forcing you to rewrite everything for each +architecture, SIMDe lets you get a port up and running almost +effortlessly. You can then start working on switching the most +performance-critical sections to native intrinsics, improving +performance gradually. SIMDe lets (for example) SSE/AVX and NEON code +exist side-by-side, in the same implementation. + +Second, SIMDe makes it easier to write code targeting [ISA](https://en.wikipedia.org/wiki/Instruction_set_architecture) +extensions you don't have convenient access to. You can run NEON code on your +x86 machine *without an emulator*. Obviously you'll eventually want +to test on the actual hardware you're targeting, but for most +development, SIMDe can provide a much easier path. + +SIMDe takes a very different approach from most other SIMD abstraction +layers in that it aims to expose the entire functionality of the +underlying instruction set. Instead of limiting functionality to the +lowest common denominator, SIMDe tries to minimize the amount of +effort required to port while still allowing you the space to optimize +as needed. + +The current focus is on writing complete portable implementations, +though a large number of functions already have accelerated +implementations using one (or more) of the following: + + * SIMD intrinsics from other ISA extensions (e.g., using NEON to + implement SSE). + * Compiler-specific vector extensions and built-ins such as + [`__builtin_shufflevector`](http://clang.llvm.org/docs/LanguageExtensions.html#langext-builtin-shufflevector) + and + [`__builtin_convertvector`](http://clang.llvm.org/docs/LanguageExtensions.html#langext-builtin-convertvector) + * Compiler auto-vectorization hints, using: + * [OpenMP 4 SIMD](http://www.openmp.org/) + * [Cilk Plus](https://www.cilkplus.org/) + * [GCC loop-specific pragmas](https://gcc.gnu.org/onlinedocs/gcc/Loop-Specific-Pragmas.html) + * [clang pragma loop hint directives](http://llvm.org/docs/Vectorizers.html#pragma-loop-hint-directives) + +You can [try SIMDe online](https://simde.netlify.app/godbolt/demo) +using Compiler Explorer and an amalgamated SIMDe header. + +If you have any questions, please feel free to use the +[issue tracker](https://github.com/simd-everywhere/simde/issues) or the +[mailing list](https://groups.google.com/forum/#!forum/simde). + +## Current Status + +There are currently complete implementations of the following instruction +set extensions: + +* x86 / x86_64 + * [MMX](https://en.wikipedia.org/wiki/MMX_(instruction_set)) + * [SSE](https://en.wikipedia.org/wiki/Streaming_SIMD_Extensions) + * [SSE2](https://en.wikipedia.org/wiki/SSE2) + * [SSE3](https://en.wikipedia.org/wiki/SSE3) + * [SSSE3](https://en.wikipedia.org/wiki/SSSE3) + * [SSE4.1](https://en.wikipedia.org/wiki/SSE4#SSE4.1) + * [AVX](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions) + * [AVX2](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2) + * [FMA](https://en.wikipedia.org/wiki/FMA_instruction_set) + * [GFNI](https://en.wikipedia.org/wiki/AVX-512#GFNI) + * [CLMUL](https://en.wikipedia.org/wiki/CLMUL_instruction_set) + * [XOP](https://en.wikipedia.org/wiki/XOP_instruction_set) + * [SVML](https://software.intel.com/content/www/us/en/develop/documentation/cpp-compiler-developer-guide-and-reference/top/compiler-reference/intrinsics/intrinsics-for-intel-advanced-vector-extensions-512-intel-avx-512-instructions/intrinsics-for-arithmetic-operations-1/intrinsics-for-short-vector-math-library-svml-operations.html) +* WebAssembly + * [SIMD128](https://github.com/WebAssembly/simd) + +As well as partial support for many others, including NEON and SVE in +addition to several AVX-512 extensions. See the +[instruction-set-support](https://github.com/simd-everywhere/simde/issues?q=is%3Aissue+is%3Aopen+label%3Ainstruction-set-support+sort%3Aupdated-desc) +label in the issue tracker for details on progress. If you'd like to +be notified when an instruction set is available you may subscribe to +the relevant issue. + +If you have a project you're interested in using with SIMDe but we +don't yet support all the functions you need, please file an issue +with a list of what's missing so we know what to prioritize. + +The default branch is protected so commits never reach it unless +they have passed extensive CI checks. Status badges don't really +make sense since they will always be green, but here are the links: + +* [GitHub Actions](https://github.com/simd-everywhere/simde/actions) +* [Cirrus CI](https://cirrus-ci.com/github/simd-everywhere/simde) +* [Semaphore CI](https://nemequ.semaphoreci.com/projects/simde) +* [Circle CI](https://app.circleci.com/pipelines/github/simd-everywhere/simde) +* [AppVeyor](https://ci.appveyor.com/project/nemequ/simde) +* [Azure Pipelines](https://dev.azure.com/simd-everywhere/SIMDe/_build) +* [Drone CI](https://cloud.drone.io/simd-everywhere/simde/) + +If you're adding a new build I suggest Cirrus CI, which is where we +currently have the most room given the number of builds currently on +the platform and the quotas for free/open-source usage. Alternately, +feel free to set up another provider (such as +[Codefresh](https://codefresh.io/), +[Shippable](https://www.shippable.com/), +[Bitrise](https://www.bitrise.io/), +[Werkaer](https://app.wercker.com/), etc.). + +*Notice*: we plan on changing the name of the default branch from +"master" to something else soon; we are just trying to wait to see what +name git settles on so we can be consistent. + +## Contributing + +First off, if you're reading this: thank you! Even considering +contributing to SIMDe is very much appreciated! + +SIMDe is a fairly large undertaking; there are a *lot* of functions to +get through and a lot of opportunities for optimization on different +platforms, so we're very happy for any help you can provide. + +Programmers of all skill levels are welcome, there are lots of tasks +which are pretty straightforward and don't require any special +expertise. + +If you're not sure how you'd like to contribute, please consider taking +a look at [the issue tracker](https://github.com/simd-everywhere/simde/issues). +There is a [good first issue](https://github.com/simd-everywhere/simde/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22) +tag if you want to ease into a your first contributions, but if you're +interested in something else please get in touch via the issue tracker; +we're happy to help you get a handle on whatever you are interested in. + +If you're interested in implementing currently unimplemented functions, +there is [a +guide](https://github.com/simd-everywhere/simde/wiki/Implementing-a-New-Function) +explaining how to add new functions and how to quickly and easily get +a test case in place. It's a bit rough right now, but if anything is +unclear please feel free to use the issue tracker to ask about +anything you're not clear on. + +## Usage + +First, it is important to note that *you do not need two separate +versions* (one using SIMDe, the other native). If the native functions +are available SIMDe will use them, and compilers easily optimize away +any overhead from SIMDe; all they have to do is some basic inlining. +`-O2` should be enough, but we strongly recommend `-O3` (or whatever +flag instructs your compiler to aggressizely optimize) since many of +the portable fallbacks are substantially faster with aggressive +auto-vectorization that isn't enabled at lower optimization levels. + +Each instruction set has a separate file; `x86/mmx.h` for MMX, +`x86/sse.h` for SSE, `x86/sse2.h` for SSE2, and so on. Just include +the header for whichever instruction set(s) you want *instead of the +native version* (if you include the native version after SIMDe it will +result in compile-time errors if native aliases are enabled). SIMDe +will provide the fastest implementation it can given which extensions +you've enabled in your compiler (i.e., if you want to use NEON to +implement SSE, you may need to pass something like `-mfpu=neon` +or `-march=armv8-a+simd`. See +[GCC ARM-Options](https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html) +for more information). + +If you define `SIMDE_ENABLE_NATIVE_ALIASES` before including SIMDe +you can use the same names as the native functions. Unfortunately, +this is somewhat error-prone due to portability issues in the APIs, so +it's recommended to only do this for testing. When +`SIMDE_ENABLE_NATIVE_ALIASES` is undefined only the versions prefixed +with `simde_` will be available; for example, the MMX `_mm_add_pi8` +intrinsic becomes `simde_mm_add_pi8`, and `__m64` becomes `simde__m64`. + +Since SIMDe is meant to be portable, many functions which assume types +are of a specific size have been altered to use fixed-width types +instead. For example, Intel's APIs use `char` for signed 8-bit +integers, but `char` on ARM is generally unsigned. SIMDe uses `int8_t` +to make the API portable, but that means your code may require some +minor changes (such as using `int8_t` instead of `char`) to work on +other platforms. + +That said, the changes are usually quite minor. It's often enough to +just use search and replace, manual changes are required pretty +infrequently. + +### OpenMP 4 SIMD + +SIMDe makes extensive use of annotations to help the compiler vectorize +code. By far the best annotations use the SIMD support built in to +OpenMP 4, so if your compiler supports these annotations we strongly +recommend you enable them. + +If you are already using OpenMP, SIMDe will automatically detect it +using the `_OPENMP` macro and no further action is required. + +Some compilers allow you to enable OpenMP SIMD *without* enabling the +full OpenMP. In such cases there is no runtime dependency on OpenMP +and no runtime overhead; SIMDe will just be faster. Unfortunately, +SIMDe has no way to detect such situations (the `_OPENMP` macro is not +defined), so after enabling it in your compiler you'll need to define +`SIMDE_ENABLE_OPENMP` (e.g., by passing `-DSIMDE_ENABLE_OPENMP`) to get +SIMDe to output the relevant pragmas. + +Enabling OpenMP SIMD support varies by compiler: + + * GCC 4.9+ and clang 6+ support a `-fopenmp-simd` command line flag. + * ICC supports a `-qopenmp-simd` command line flag. + * MCST's LCC enables OpenMP SIMD by default, so no flags are needed + (technically you don't even need to pass `-DSIMDE_ENABLE_OPENMP`). + +We are not currently aware of any other compilers which allow you to +enable OpenMP SIMD support without enabling full OpenMP (if you are +please file an issue to let us know). You should determine whether you +wish to enable full OpenMP support on a case-by-case basis, but it is +likely that the overhead of linking to (but not using) the OpenMP +runtime library will be dwarfed by the performance improvements from +using the OpenMP SIMD annotations in SIMDe. + +If you choose not to use OpenMP SIMD, SIMDe also supports +using [Cilk Plus](https://www.cilkplus.org/), [GCC loop-specific +pragmas](https://gcc.gnu.org/onlinedocs/gcc/Loop-Specific-Pragmas.html), +or [clang pragma loop hint +directives](http://llvm.org/docs/Vectorizers.html#pragma-loop-hint-directives), +though these are not nearly as effective as OpenMP SIMD and depending +on them will likely result in less efficient code. All of these are +detected automatically by SIMDe, so if they are enabled in your +compiler nothing more is required. + +If for some reason you do not wish to enable OpenMP 4 SIMD support even +though SIMDe detects it, you should define `SIMDE_DISABLE_OPENMP` prior +to including SIMDe. + +## Portability + +### Compilers + +SIMDe does depend on some C99 features, though the subset supported by +MSVC also works. While we do our best to make sure we provide optimized +implementations where they are supported, SIMDe does contain portable +fallbacks which are designed to work on any C99 compiler. + +Every commit is tested in CI on multiple compilers, platforms, and +configurations, and our test coverage is extremely extensive. +Currently tested compilers include: + + * GCC versions back to 4.8 + * Clang versions back to 3.8 + * Microsoft Visual Studio back to 12 (2013) + * IBM XL C/C++ + * Intel C/C++ Compiler (ICC) + +I'm generally willing to accept patches to add support for other +compilers, as long as they're not too disruptive, *especially* if we +can get CI support going. If using one of our existing CI providers +isn't an option then other CI platforms can be added. + +### Hardware + +The following architectures are tested in CI for every commit: + + * x86_64 + * x86 + * AArch64 + * ARMv8 + * ARMv7 + * PPC64 + * MIPS Loongson + +We would love to add more, so patches are extremely welcome! + +## Related Projects + + * The "builtins" module in + [portable-snippets](https://github.com/nemequ/portable-snippets) + does much the same thing, but for compiler-specific intrinsics + (think `__builtin_clz` and `_BitScanForward`), **not** SIMD + intrinsics. + * Intel offers an emulator, the [Intel® Software Development + Emulator](https://software.intel.com/en-us/articles/intel-software-development-emulator/) + which can be used to develop software which uses Intel intrinsics + without having to own hardware which supports them, though it + doesn't help for deployment. + * [Iris](https://github.com/AlexYaruki/iris) is the only other project + I'm aware of which is attempting to create portable implementations + like SIMDe. SIMDe is much further along on the Intel side, but Iris + looks to be in better shape on ARM. C++-only, Apache 2.0 license. + AFAICT there are no accelerated fallbacks, nor is there a good way to + add them since it relies extensively on templates. + * There are a few projects trying to implement one set with another: + * [ARM_NEON_2_x86_SSE](https://github.com/intel/ARM_NEON_2_x86_SSE) + — implementing NEON using SSE. Quite extensive, Apache 2.0 + license. + * [sse2neon](https://github.com/jratcliff63367/sse2neon) — + implementing SSE using NEON. This code has already been merged + into SIMDe. + * [veclib](https://github.com/IvantheDugtrio/veclib) — implementing + SSE2 using AltiVec/VMX, using a non-free IBM library called + [powerveclib](https://www.ibm.com/developerworks/community/groups/community/powerveclib/) + * [SSE-to-NEON](https://github.com/otim/SSE-to-NEON) — implementing + SSE with NEON. Non-free, C++. + * [arm-neon-tests](https://github.com/christophe-lyon/arm-neon-tests) + contains tests to verify NEON implementations. + +If you know of any other related projects, please [let us +know](https://github.com/simd-everywhere/simde/issues/new)! + +## Caveats + +Sometime features can't be emulated. If SIMDe is operating in native +mode the functions will work as expected, but if there is no native +support some caveats apply: + + * Many functions require <math.h> and/or <fenv.h>. SIMDe will still + work without those headers, but the results of those functions are + undefined. + * x86 / x86_64 + * SSE + * `SIMDE_MM_SET_ROUNDING_MODE()` will use `fesetround()`, altering + the global rounding mode. + * `simde_mm_getcsr` and `simde_mm_setcsr` only implement bits 13 + and 14 (rounding mode). + * AVX + * `simde_mm256_test*` do not set the CF/ZF registers as there is + no portable way to implement that functionality. + * `simde_mm256_zeroall` and `simde_mm256_zeroupper` are not + implemented as there is no portable way to implement that + functionality. + +Additionally, there are some known limitations which apply when using +native aliases (`SIMDE_ENABLE_NATIVE_ALIASES`): + +* On Windows x86 (but not x86_64), some MMX functions and SSE/SSE2 + functions which use MMX types (__m64) other than for pointers may + return incorrect results. + +Also, as mentioned earlier, while some APIs make assumptions about +basic types (*e.g.*, `int` is 32 bits), SIMDe does not, so many types +have been altered to use portable fixed-width versions such as +`int32_t`. + +If you find any other differences, please file an issue so we can either fix +it or add it to the list above. + +## Benefactors + +SIMDe uses resources provided for free by a number of organizations. +While this shouldn't be taken to imply endorsement of SIMDe, we're +tremendously grateful for their support: + + * [IntegriCloud](https://integricloud.com/) — provides access to a very + fast POWER9 server for developing AltiVec/VMX support. + * [GCC Compile Farm](https://gcc.gnu.org/wiki/CompileFarm) — provides + access to a wide range of machines with different architectures for + developing support for various ISA extensions. + * [CodeCov.io](https://codecov.io/) — provides code coverage analysis + for our test cases. + * [Google](https://www.google.com/) — financing + [Summer of Code](https://summerofcode.withgoogle.com/), substantial + amounts of code (Sean Maher's contributions), and an [Open Source Peer + Bonus](https://opensource.google/docs/growing/peer-bonus/). + +Without such organizations donating resources, SIMDe wouldn't be nearly +as useful or usable as it is today. + +We would also like to thank anyone who has helped develop the myriad +of software on which SIMDe relies, including compilers and analysis +tools. + +Finally, a special thank you to +[anyone who has contributed](https://github.com/simd-everywhere/simde/graphs/contributors) +to SIMDe, filed bugs, provided suggestions, or helped with SIMDe +development in any way. + +## License + +SIMDe is distributed under an MIT-style license; see COPYING for +details. + +## Contributors ✨ + +Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)): + +<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section --> +<!-- prettier-ignore-start --> +<!-- markdownlint-disable --> +<table> + <tr> + <td align="center"><a href="https://nemequ.github.io/"><img src="https://avatars0.githubusercontent.com/u/1151?v=4" width="100px;" alt=""/><br /><sub><b>Evan Nemerson</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=nemequ" title="Code">💻</a> <a href="#content-nemequ" title="Content">🖋</a> <a href="https://github.com/nemequ/simde/commits?author=nemequ" title="Documentation">📖</a> <a href="#example-nemequ" title="Examples">💡</a> <a href="#ideas-nemequ" title="Ideas, Planning, & Feedback">🤔</a> <a href="#question-nemequ" title="Answering Questions">💬</a> <a href="https://github.com/nemequ/simde/pulls?q=is%3Apr+reviewed-by%3Anemequ" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/nemequ/simde/commits?author=nemequ" title="Tests">⚠️</a> <a href="#tutorial-nemequ" title="Tutorials">✅</a> <a href="#talk-nemequ" title="Talks">📢</a> <a href="https://github.com/nemequ/simde/issues?q=author%3Anemequ" title="Bug reports">🐛</a> <a href="#infra-nemequ" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-nemequ" title="Maintenance">🚧</a> <a href="#projectManagement-nemequ" title="Project Management">📆</a></td> + <td align="center"><a href="https://orcid.org/0000-0002-2961-9670"><img src="https://avatars3.githubusercontent.com/u/1330696?v=4" width="100px;" alt=""/><br /><sub><b>Michael R. Crusoe</b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3Amr-c" title="Bug reports">🐛</a> <a href="https://github.com/nemequ/simde/commits?author=mr-c" title="Code">💻</a> <a href="#eventOrganizing-mr-c" title="Event Organizing">📋</a> <a href="#fundingFinding-mr-c" title="Funding Finding">🔍</a> <a href="#ideas-mr-c" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-mr-c" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#platform-mr-c" title="Packaging/porting to new platform">📦</a> <a href="https://github.com/nemequ/simde/commits?author=mr-c" title="Tests">⚠️</a></td> + <td align="center"><a href="https://github.com/himanshi18037"><img src="https://avatars1.githubusercontent.com/u/43923076?v=4" width="100px;" alt=""/><br /><sub><b>HIMANSHI MATHUR</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=himanshi18037" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=himanshi18037" title="Tests">⚠️</a></td> + <td align="center"><a href="https://github.com/masterchef2209"><img src="https://avatars0.githubusercontent.com/u/27916352?v=4" width="100px;" alt=""/><br /><sub><b>Hidayat Khan</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=masterchef2209" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=masterchef2209" title="Tests">⚠️</a></td> + <td align="center"><a href="https://github.com/rosbif"><img src="https://avatars1.githubusercontent.com/u/553899?v=4" width="100px;" alt=""/><br /><sub><b>rosbif</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=rosbif" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=rosbif" title="Tests">⚠️</a> <a href="https://github.com/nemequ/simde/issues?q=author%3Arosbif" title="Bug reports">🐛</a> <a href="#ideas-rosbif" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/nemequ/simde/commits?author=rosbif" title="Documentation">📖</a></td> + <td align="center"><a href="http://junaruga.hatenablog.com/"><img src="https://avatars2.githubusercontent.com/u/121989?v=4" width="100px;" alt=""/><br /><sub><b>Jun Aruga</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=junaruga" title="Code">💻</a> <a href="#ideas-junaruga" title="Ideas, Planning, & Feedback">🤔</a> <a href="#platform-junaruga" title="Packaging/porting to new platform">📦</a> <a href="#infra-junaruga" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-junaruga" title="Maintenance">🚧</a> <a href="https://github.com/nemequ/simde/commits?author=junaruga" title="Tests">⚠️</a> <a href="https://github.com/nemequ/simde/issues?q=author%3Ajunaruga" title="Bug reports">🐛</a></td> + <td align="center"><a href="https://github.com/marmeladema"><img src="https://avatars2.githubusercontent.com/u/1629419?v=4" width="100px;" alt=""/><br /><sub><b>Élie ROUDNINSKI</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=marmeladema" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=marmeladema" title="Tests">⚠️</a></td> + </tr> + <tr> + <td align="center"><a href="http://www.bache.name"><img src="https://avatars3.githubusercontent.com/u/7937081?v=4" width="100px;" alt=""/><br /><sub><b>Jesper Storm Bache</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=jsbache" title="Code">💻</a></td> + <td align="center"><a href="https://github.com/jeffdaily"><img src="https://avatars1.githubusercontent.com/u/904248?v=4" width="100px;" alt=""/><br /><sub><b>Jeff Daily</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=jeffdaily" title="Code">💻</a> <a href="#infra-jeffdaily" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td> + <td align="center"><a href="https://github.com/yekm"><img src="https://avatars2.githubusercontent.com/u/205196?v=4" width="100px;" alt=""/><br /><sub><b>Pavel</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=yekm" title="Code">💻</a></td> + <td align="center"><a href="https://github.com/sabarishbollapragada"><img src="https://avatars3.githubusercontent.com/u/36379720?v=4" width="100px;" alt=""/><br /><sub><b>Sabarish Bollapragada</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=sabarishbollapragada" title="Code">💻</a></td> + <td align="center"><a href="http://www.thegavinli.com/"><img src="https://avatars2.githubusercontent.com/u/371529?v=4" width="100px;" alt=""/><br /><sub><b>Gavin Li</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=gh2o" title="Code">💻</a></td> + <td align="center"><a href="http://www.yiningkarlli.com"><img src="https://avatars0.githubusercontent.com/u/1057198?v=4" width="100px;" alt=""/><br /><sub><b>Yining Karl Li</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=betajippity" title="Code">💻</a></td> + <td align="center"><a href="https://www.facebook.com/anirbandey303"><img src="https://avatars1.githubusercontent.com/u/29774651?v=4" width="100px;" alt=""/><br /><sub><b>Anirban Dey</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=anirbandey303" title="Documentation">📖</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/Un1Gfn"><img src="https://avatars3.githubusercontent.com/u/28521292?v=4" width="100px;" alt=""/><br /><sub><b>Darren Ng</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=Un1Gfn" title="Documentation">📖</a></td> + <td align="center"><a href="https://github.com/FaresSalem"><img src="https://avatars0.githubusercontent.com/u/7736245?v=4" width="100px;" alt=""/><br /><sub><b>FaresSalem</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=FaresSalem" title="Documentation">📖</a></td> + <td align="center"><a href="https://github.com/GorePradnyesh"><img src="https://avatars0.githubusercontent.com/u/843197?v=4" width="100px;" alt=""/><br /><sub><b>Pradnyesh Gore</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=GorePradnyesh" title="Code">💻</a></td> + <td align="center"><a href="https://github.com/seanptmaher"><img src="https://avatars0.githubusercontent.com/u/39571964?v=4" width="100px;" alt=""/><br /><sub><b>Sean Maher</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=seanptmaher" title="Code">💻</a></td> + <td align="center"><a href="https://zh.wikipedia.org/wiki/User:Artoria2e5"><img src="https://avatars.githubusercontent.com/u/6459309?v=4" width="100px;" alt=""/><br /><sub><b>Mingye Wang</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=Artoria2e5" title="Documentation">📖</a></td> + <td align="center"><a href="http://www.ngzhian.com"><img src="https://avatars.githubusercontent.com/u/1749303?v=4" width="100px;" alt=""/><br /><sub><b>Ng Zhi An</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=ngzhian" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=ngzhian" title="Documentation">📖</a></td> + <td align="center"><a href="https://github.com/Glitch18"><img src="https://avatars.githubusercontent.com/u/30515829?v=4" width="100px;" alt=""/><br /><sub><b>Atharva Nimbalkar</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=Glitch18" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=Glitch18" title="Tests">⚠️</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/simba611"><img src="https://avatars.githubusercontent.com/u/59763921?v=4" width="100px;" alt=""/><br /><sub><b>simba611</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=simba611" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=simba611" title="Tests">⚠️</a></td> + <td align="center"><a href="https://ashnewmanjones.com"><img src="https://avatars.githubusercontent.com/u/29983014?v=4" width="100px;" alt=""/><br /><sub><b>Ashleigh Newman-Jones</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=ashnewmanjones" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=ashnewmanjones" title="Tests">⚠️</a></td> + <td align="center"><a href="https://alum.mit.edu/www/wrv/"><img src="https://avatars.githubusercontent.com/u/5039686?v=4" width="100px;" alt=""/><br /><sub><b>Willy R. Vasquez</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=wrv" title="Code">💻</a> <a href="#maintenance-wrv" title="Maintenance">🚧</a> <a href="https://github.com/nemequ/simde/commits?author=wrv" title="Tests">⚠️</a></td> + <td align="center"><a href="https://cs.stanford.edu/~keithw"><img src="https://avatars.githubusercontent.com/u/208955?v=4" width="100px;" alt=""/><br /><sub><b>Keith Winstein</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=keithw" title="Code">💻</a> <a href="#maintenance-keithw" title="Maintenance">🚧</a> <a href="https://github.com/nemequ/simde/commits?author=keithw" title="Tests">⚠️</a></td> + <td align="center"><a href="https://github.com/SoapGentoo"><img src="https://avatars.githubusercontent.com/u/16636962?v=4" width="100px;" alt=""/><br /><sub><b>David Seifert</b></sub></a><br /><a href="#maintenance-SoapGentoo" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://mirdita.de"><img src="https://avatars.githubusercontent.com/u/63657?v=4" width="100px;" alt=""/><br /><sub><b>Milot Mirdita</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=milot-mirdita" title="Code">💻</a> <a href="#maintenance-milot-mirdita" title="Maintenance">🚧</a> <a href="https://github.com/nemequ/simde/commits?author=milot-mirdita" title="Tests">⚠️</a></td> + <td align="center"><a href="http://bitpatch.com"><img src="https://avatars.githubusercontent.com/u/4021602?v=4" width="100px;" alt=""/><br /><sub><b>aqrit</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=aqrit" title="Code">💻</a> <a href="#maintenance-aqrit" title="Maintenance">🚧</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/dgazzoni"><img src="https://avatars.githubusercontent.com/u/17934171?v=4" width="100px;" alt=""/><br /><sub><b>Décio Luiz Gazzoni Filho</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=dgazzoni" title="Code">💻</a> <a href="#maintenance-dgazzoni" title="Maintenance">🚧</a> <a href="https://github.com/nemequ/simde/commits?author=dgazzoni" title="Tests">⚠️</a></td> + <td align="center"><a href="http://vk.com/muzzdiez"><img src="https://avatars.githubusercontent.com/u/16463967?v=4" width="100px;" alt=""/><br /><sub><b>Igor Molchanov</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=makise-homura" title="Code">💻</a> <a href="#maintenance-makise-homura" title="Maintenance">🚧</a> <a href="#platform-makise-homura" title="Packaging/porting to new platform">📦</a></td> + <td align="center"><a href="https://github.com/anrodrig"><img src="https://avatars.githubusercontent.com/u/35815808?v=4" width="100px;" alt=""/><br /><sub><b>Andrew Rodriguez</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=anrodrig" title="Code">💻</a> <a href="#maintenance-anrodrig" title="Maintenance">🚧</a> <a href="https://github.com/nemequ/simde/commits?author=anrodrig" title="Tests">⚠️</a></td> + <td align="center"><a href="https://github.com/Changqing-JING"><img src="https://avatars.githubusercontent.com/u/59640930?v=4" width="100px;" alt=""/><br /><sub><b>Changqing Jing</b></sub></a><br /><a href="#maintenance-Changqing-JING" title="Maintenance">🚧</a></td> + <td align="center"><a href="http://jpcima.sdf1.org/"><img src="https://avatars.githubusercontent.com/u/17614485?v=4" width="100px;" alt=""/><br /><sub><b>JP Cimalando</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=jpcima" title="Code">💻</a> <a href="#infra-jpcima" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td> + <td align="center"><a href="https://flygoat.com/"><img src="https://avatars.githubusercontent.com/u/5955297?v=4" width="100px;" alt=""/><br /><sub><b>Jiaxun Yang</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=FlyGoat" title="Code">💻</a> <a href="#platform-FlyGoat" title="Packaging/porting to new platform">📦</a></td> + <td align="center"><a href="https://github.com/ktgw0316"><img src="https://avatars.githubusercontent.com/u/3116763?v=4" width="100px;" alt=""/><br /><sub><b>Masahiro Kitagawa</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=ktgw0316" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=ktgw0316" title="Tests">⚠️</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/operasfantom"><img src="https://avatars.githubusercontent.com/u/31903947?v=4" width="100px;" alt=""/><br /><sub><b>Pavel Iatchenii</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=operasfantom" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=operasfantom" title="Tests">⚠️</a></td> + <td align="center"><a href="https://tommyvct.tk"><img src="https://avatars.githubusercontent.com/u/7903172?v=4" width="100px;" alt=""/><br /><sub><b>Tommy Vercetti</b></sub></a><br /><a href="#maintenance-tommyvct" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://github.com/rscohn2"><img src="https://avatars.githubusercontent.com/u/1936730?v=4" width="100px;" alt=""/><br /><sub><b>Robert Cohn</b></sub></a><br /><a href="#maintenance-rscohn2" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://github.com/adamnovak"><img src="https://avatars.githubusercontent.com/u/5062495?v=4" width="100px;" alt=""/><br /><sub><b>Adam Novak</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=adamnovak" title="Documentation">📖</a></td> + <td align="center"><a href="https://github.com/boris-kuz"><img src="https://avatars.githubusercontent.com/u/18011434?v=4" width="100px;" alt=""/><br /><sub><b>boris-kuz</b></sub></a><br /><a href="#maintenance-boris-kuz" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://github.com/Epixu"><img src="https://avatars.githubusercontent.com/u/1529601?v=4" width="100px;" alt=""/><br /><sub><b>Dimo Markov</b></sub></a><br /><a href="#maintenance-Epixu" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://dhbloo.github.io/"><img src="https://avatars.githubusercontent.com/u/32353216?v=4" width="100px;" alt=""/><br /><sub><b>dblue</b></sub></a><br /><a href="#maintenance-dhbloo" title="Maintenance">🚧</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/zekehul"><img src="https://avatars.githubusercontent.com/u/8780526?v=4" width="100px;" alt=""/><br /><sub><b>zekehul</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=zekehul" title="Code">💻</a> <a href="#maintenance-zekehul" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://open-cells.com"><img src="https://avatars.githubusercontent.com/u/40661368?v=4" width="100px;" alt=""/><br /><sub><b>Laurent Thomas</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=LaurentThomas" title="Code">💻</a></td> + <td align="center"><a href="https://github.com/maxbachmann"><img src="https://avatars.githubusercontent.com/u/44199644?v=4" width="100px;" alt=""/><br /><sub><b>Max Bachmann</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=maxbachmann" title="Documentation">📖</a></td> + <td align="center"><a href="https://github.com/psaab"><img src="https://avatars.githubusercontent.com/u/196946?v=4" width="100px;" alt=""/><br /><sub><b>psaab</b></sub></a><br /><a href="#maintenance-psaab" title="Maintenance">🚧</a></td> + <td align="center"><a href="http://superduper.net/"><img src="https://avatars.githubusercontent.com/u/515813?v=4" width="100px;" alt=""/><br /><sub><b>Sam Clegg</b></sub></a><br /><a href="#maintenance-sbc100" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://twitter.com/tlively52"><img src="https://avatars.githubusercontent.com/u/7121787?v=4" width="100px;" alt=""/><br /><sub><b>Thomas Lively</b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3Atlively" title="Bug reports">🐛</a> <a href="#ideas-tlively" title="Ideas, Planning, & Feedback">🤔</a> <a href="#maintenance-tlively" title="Maintenance">🚧</a></td> + <td align="center"><a href="http://blog.coderzh.com/"><img src="https://avatars.githubusercontent.com/u/329164?v=4" width="100px;" alt=""/><br /><sub><b>coderzh</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=coderzh" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=coderzh" title="Tests">⚠️</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/k-dominik"><img src="https://avatars.githubusercontent.com/u/24434157?v=4" width="100px;" alt=""/><br /><sub><b>Dominik Kutra</b></sub></a><br /><a href="https://github.com/nemequ/simde/commits?author=k-dominik" title="Code">💻</a> <a href="https://github.com/nemequ/simde/commits?author=k-dominik" title="Tests">⚠️</a></td> + <td align="center"><a href="https://github.com/Lithrein"><img src="https://avatars.githubusercontent.com/u/207981?v=4" width="100px;" alt=""/><br /><sub><b>Lithrein</b></sub></a><br /><a href="#maintenance-Lithrein" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://github.com/quyykk"><img src="https://avatars.githubusercontent.com/u/85879619?v=4" width="100px;" alt=""/><br /><sub><b>Nick</b></sub></a><br /><a href="#maintenance-quyykk" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://github.com/thomasdwu"><img src="https://avatars.githubusercontent.com/u/6819659?v=4" width="100px;" alt=""/><br /><sub><b>thomasdwu</b></sub></a><br /><a href="#maintenance-thomasdwu" title="Maintenance">🚧</a></td> + <td align="center"><a href="https://github.com/Remnant44"><img src="https://avatars.githubusercontent.com/u/54461740?v=4" width="100px;" alt=""/><br /><sub><b>Stephen</b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3ARemnant44" title="Bug reports">🐛</a></td> + <td align="center"><a href="https://github.com/johnplatts"><img src="https://avatars.githubusercontent.com/u/28941113?v=4" width="100px;" alt=""/><br /><sub><b>John Platts</b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3Ajohnplatts" title="Bug reports">🐛</a></td> + <td align="center"><a href="https://github.com/tycho"><img src="https://avatars.githubusercontent.com/u/29616?v=4" width="100px;" alt=""/><br /><sub><b>Steven Noonan</b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3Atycho" title="Bug reports">🐛</a></td> + </tr> + <tr> + <td align="center"><a href="https://github.com/p0nce"><img src="https://avatars.githubusercontent.com/u/1067485?v=4" width="100px;" alt=""/><br /><sub><b>p0nce </b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3Ap0nce" title="Bug reports">🐛</a></td> + <td align="center"><a href="https://bonedaddy.net/pabs3/"><img src="https://avatars.githubusercontent.com/u/328602?v=4" width="100px;" alt=""/><br /><sub><b>Paul Wise</b></sub></a><br /><a href="https://github.com/nemequ/simde/issues?q=author%3Apabs3" title="Bug reports">🐛</a></td> + </tr> +</table> + +<!-- markdownlint-enable --> +<!-- prettier-ignore-end --> +<!-- ALL-CONTRIBUTORS-LIST:END --> + +This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind are welcome! |