26 lines
919 B
Rust
26 lines
919 B
Rust
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extern crate nalgebra_sparse;
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use nalgebra_sparse::CsrMatrix;
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use std::time::{Duration, Instant};
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#[cfg(feature = "io")]
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use nalgebra_sparse::io::load_coo_from_matrix_market_file;
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fn main() {
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#[cfg(feature = "io")]
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{
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let sparse_input_matrix =
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load_coo_from_matrix_market_file::<f64, _>("./data/crankseg_1.mtx").unwrap();
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let sparse_input_matrix = CsrMatrix::from(&sparse_input_matrix);
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let spmm_result = &sparse_input_matrix * &sparse_input_matrix;
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let now = Instant::now();
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let spmm_result = &sparse_input_matrix * &sparse_input_matrix;
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let spmm_time = now.elapsed().as_millis();
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println!("SGEMM time was {}", spmm_time);
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let sum: f64 = spmm_result.triplet_iter().map(|(_, _, v)| v).sum();
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println!("sum of product is {}", sum);
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}
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#[cfg(not(feature = "io"))]
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{
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panic!("Run with IO feature only");
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}
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}
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