Fix some comments

Author: LegNeato

blog/2024-11-21-optimizing-matrix-mul/code/crates/cpu/matmul/src/backends/wgpu.rs

@@ -9,7 +9,7 @@ use std::fmt::Formatter;
 use tracing::trace;
 use wgpu::{self, util::DeviceExt};
 
-/// Struct responsible for performing matrix multiplication on the GPU.
+/// Matrix multiplication on the GPU using `wgpu`.
 pub struct MatrixMultiplier<T> {
     device: wgpu::Device,
     queue: wgpu::Queue,

blog/2024-11-21-optimizing-matrix-mul/code/crates/cpu/matmul/src/lib.rs

@@ -8,6 +8,7 @@ use std::future::Future;
 mod backends;
 pub mod variants;
 
+/// The trait that defines how to multiply two matrices.
 pub trait MatrixMultiply<T>: Display {
     fn new(variant: T) -> impl Future<Output = Self> + Send;
     fn multiply(&self, a: &[f32], b: &[f32], m: u32, k: u32, n: u32) -> Vec<f32>;
@@ -25,7 +26,7 @@ pub trait Cpu {
     );
 }
 
-/// Matrix multiplication logic that can be run on the CPU.
+/// Matrix multiplication logic that can be run on the GPU.
 pub trait Gpu {
     fn compiled_shader(&self) -> &[u8];
     fn entry_point(&self) -> &'static str {