From 9f4fd1e68febc0f1cbaf2bd6772bd33658bc195b Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 26 Sep 2020 20:57:32 -0600 Subject: [PATCH 1/2] Update README.md --- README.md | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index a4efc29293d6e..5fe074093f25b 100644 --- a/README.md +++ b/README.md @@ -2,4 +2,19 @@ Code repository for the [Portable SIMD Project Group](https://github.com/rust-lang/project-portable-simd). -More coming soon! +## Code Organization + +Currently the crate is organized so that each element type is a file, and then the 64-bit, 128-bit, 256-bit, and 512-bit vectors using those types are contained in said file. + +All types are then exported as a single, flat + +Depending on the size of the primitive type, the number of lanes the vector will have varies. For example, 128-bit vectors have four `f32` lanes and two `f64` lanes. + +The supported element types are as follows: +* **Floating Point:** `f32`, `f64` +* **Signed Integers:** `i8`, `i16`, `i32`, `i64`, `i128`, `isize` +* **Unsigned Integers:** `u8`, `u16`, `u32`, `u64`, `u128`, `usize` +* **Masks:** `mask8`, `mask16`, `mask32`, `mask64`, `masksize` + +Floating point, signed integers, and unsigned integers are the [primitive types](https://doc.rust-lang.org/core/primitive/index.html) you're already used to. +The `mask` types are "truthy" values, but they use the number of bits in their name instead of just 1 bit like a normal `bool` uses. From 639e2d2cff6b311c39a9befa9cc79017350dc77d Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 26 Sep 2020 20:58:34 -0600 Subject: [PATCH 2/2] missing word. --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 5fe074093f25b..5c841a27163a7 100644 --- a/README.md +++ b/README.md @@ -6,7 +6,7 @@ Code repository for the [Portable SIMD Project Group](https://github.com/rust-la Currently the crate is organized so that each element type is a file, and then the 64-bit, 128-bit, 256-bit, and 512-bit vectors using those types are contained in said file. -All types are then exported as a single, flat +All types are then exported as a single, flat module. Depending on the size of the primitive type, the number of lanes the vector will have varies. For example, 128-bit vectors have four `f32` lanes and two `f64` lanes.