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32 lines
1.5 KiB
32 lines
1.5 KiB
#![feature(test)]
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extern crate complex;
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extern crate dft;
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extern crate test;
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use complex::c64;
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use test::{Bencher, black_box};
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#[bench] fn complex_forward_0004(bencher: &mut Bencher) { complex_forward( 4, bencher); }
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#[bench] fn complex_forward_0016(bencher: &mut Bencher) { complex_forward( 16, bencher); }
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#[bench] fn complex_forward_0064(bencher: &mut Bencher) { complex_forward( 64, bencher); }
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#[bench] fn complex_forward_0256(bencher: &mut Bencher) { complex_forward( 256, bencher); }
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#[bench] fn complex_forward_1024(bencher: &mut Bencher) { complex_forward(1024, bencher); }
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#[bench] fn complex_forward_4096(bencher: &mut Bencher) { complex_forward(4096, bencher); }
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#[bench] fn real_forward_0004(bencher: &mut Bencher) { real_forward( 4, bencher); }
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#[bench] fn real_forward_0016(bencher: &mut Bencher) { real_forward( 16, bencher); }
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#[bench] fn real_forward_0064(bencher: &mut Bencher) { real_forward( 64, bencher); }
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#[bench] fn real_forward_0256(bencher: &mut Bencher) { real_forward( 256, bencher); }
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#[bench] fn real_forward_1024(bencher: &mut Bencher) { real_forward(1024, bencher); }
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#[bench] fn real_forward_4096(bencher: &mut Bencher) { real_forward(4096, bencher); }
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fn complex_forward(size: usize, bencher: &mut Bencher) {
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let mut data = vec![c64(42.0, 69.0); size];
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bencher.iter(|| black_box(dft::complex::forward(&mut data)));
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}
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fn real_forward(size: usize, bencher: &mut Bencher) {
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let mut data = vec![42.0; 2 * size];
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bencher.iter(|| black_box(dft::real::forward(&mut data)));
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}
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