feat: add simd accelerated distributions

Author: dancixx

Cargo.toml

@@ -15,6 +15,7 @@ keywords = ["stochastic", "quant", "finance", "simulation", "statistics"]
 anyhow = "1.0.89"
 approx = "0.5.1"
 argmin = "0.10.0"
+bytemuck = "1.22.0"
 candle-core = "=0.8.1"
 candle-datasets = "=0.8.1"
 candle-nn = "=0.8.1"
@@ -67,6 +68,7 @@ time = { version = "0.3.36", features = [
 tokio-test = "0.4.4"
 tracing = "0.1.40"
 tracing-test = "0.2.5"
+wide = "0.7.32"
 yahoo_finance_api = { version = "2.3.0", optional = true }
 
 [dev-dependencies]

src/lib.rs

@@ -6,6 +6,7 @@
 
 // TODO: this is just temporary
 #![allow(dead_code)]
+#![feature(portable_simd)]
 
 #[cfg(feature = "mimalloc")]
 #[global_allocator]

src/stats.rs

@@ -1,5 +1,6 @@
 pub mod cir;
 pub mod copulas;
+pub mod distr;
 pub mod double_exp;
 pub mod fd;
 pub mod fou_estimator;