Learning SIMD with Rust by finding planets
Rust 1.27.0 has brought SIMD (Single Instruction Multiple Data), also known as vectorization, to stable Rust. If you read the announcement, you will see that SIMD should bring performance enhancements to our applications if we learn how to use it properly. But, for that let's first dive into how SIMD works. If you feel fairly comfortable with Rust but are still having issues following this text, y
Optimising path tracing: the last 10% · shifting bits
Maybe this will be a blog about programming in C, C++ and Rust. Or maybe it will be a desolate wasteland of infrequent posts and spam bot comments. Optimising path tracing: the last 10% 20 Jun 2018 In my last post on optimising my Rust path tracer with SIMD I had got withing 10% of my performance target, that is Aras’s C++ SSE4.1 path tracer. From profiling I had determined that the main differenc
Optimising path tracing with SIMD · shifting bits
Maybe this will be a blog about programming in C, C++ and Rust. Or maybe it will be a desolate wasteland of infrequent posts and spam bot comments. Optimising path tracing with SIMD 04 Jun 2018 Following on from path tracing in parallel with Rayon I had a lot of other optimisations I wanted to try. In particular I want to see if I could match the CPU performance of @aras_p’s C++ path tracer in Rus
Exploring SIMD in Rust
Update: Cameron Hart did some further research on my methodologies in this post and what he found was quite interesting. In my benchmarks I forgot to account for the role of, the now removed, black box in the rust test crate. The purpose of the black box is to trick the optimizer into not optiziming the benchmarks. This is exactly what happened unfortunately. Based on this I went back and re-did t
Psychopath Renderer | Switching from C++ to Rust
I'll get right to it: I've rewritten Psychopath in Rust. And I feel like this requires an explanation. The short version is that Psychopath is a personal project that I work on for fun, and I had fun rewriting it in Rust. The rest of this post is the long version, as seen through the lens of my experiences developing in Rust. But first I want to be really, really clear that I do not advocate rewri
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GitHub - AdamNiederer/faster: SIMD for humans
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