diff --git a/nalgebra-sparse/example/spmm.rs b/nalgebra-sparse/example/spmm.rs
index 17ae21d0..aa4eb473 100644
--- a/nalgebra-sparse/example/spmm.rs
+++ b/nalgebra-sparse/example/spmm.rs
@@ -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"))]
     {