M-Labs/nalgebra
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This commit is contained in:
Saurabh 2022-02-28 21:37:13 -07:00
parent 8c1186db3c
commit 424207914b
1 changed files with 17 additions and 10 deletions
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27
nalgebra-sparse/example/spmm.rs
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@ -1,5 +1,8 @@
extern crate nalgebra_sparse;
use nalgebra_sparse::CsrMatrix;
use std::fs::{self, DirEntry};
use std::io;
use std::path::Path;
use std::time::{Duration, Instant};
#[cfg(feature = "io")]
@ -7,16 +10,20 @@ use nalgebra_sparse::io::load_coo_from_matrix_market_file;
fn main() {
#[cfg(feature = "io")]
{
let sparse_input_matrix =
load_coo_from_matrix_market_file::<f64, _>("./data/crankseg_1.mtx").unwrap();
let sparse_input_matrix = CsrMatrix::from(&sparse_input_matrix);
let spmm_result = &sparse_input_matrix * &sparse_input_matrix;
let now = Instant::now();
let spmm_result = &sparse_input_matrix * &sparse_input_matrix;
let spmm_time = now.elapsed().as_millis();
println!("SGEMM time was {}", spmm_time);
let sum: f64 = spmm_result.triplet_iter().map(|(_, _, v)| v).sum();
println!("sum of product is {}", sum);
let mut file_iter = fs::read_dir("./data").unwrap();
for f in file_iter {
println!("Benchmark file {:?}", f);
let f = f.unwrap().path();
let sparse_input_matrix = load_coo_from_matrix_market_file::<f64, _>(&f).unwrap();
let sparse_input_matrix = CsrMatrix::from(&sparse_input_matrix);
let spmm_result = &sparse_input_matrix * &sparse_input_matrix;
let now = Instant::now();
let spmm_result = &sparse_input_matrix * &sparse_input_matrix;
let spmm_time = now.elapsed().as_millis();
println!("SGEMM time was {}", spmm_time);
let sum: f64 = spmm_result.triplet_iter().map(|(_, _, v)| v).sum();
println!("sum of product is {}", sum);
}
}
#[cfg(not(feature = "io"))]
{