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separate profiler statistics calculation to its own function

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This commit is contained in:
Malisa Smith 2016-07-07 10:18:10 -07:00
parent d99ff8d857
commit 6230911330
1 changed files with 14 additions and 10 deletions
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24
components/profile/time.rs
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@ -327,6 +327,18 @@ impl Profiler {
true true
} }
fn get_statistics(data: &[f64]) -> (f64, f64, f64, f64) {
let data_len = data.len();
let (mean, median, min, max) =
(data.iter().sum::<f64>() / (data_len as f64),
data[data_len / 2],
data.iter().fold(f64::INFINITY, |a, &b| a.min(b)),
data.iter().fold(-f64::INFINITY, |a, &b| a.max(b)));
(mean, median, min, max)
}
fn print_buckets(&mut self) { fn print_buckets(&mut self) {
match self.output { match self.output {
Some(OutputOptions::FileName(ref filename)) => { Some(OutputOptions::FileName(ref filename)) => {
@ -349,11 +361,7 @@ impl Profiler {
}); });
let data_len = data.len(); let data_len = data.len();
if data_len > 0 { if data_len > 0 {
let (mean, median, min, max) = let (mean, median, min, max) = Self::get_statistics(data);
(data.iter().sum::<f64>() / (data_len as f64),
data[data_len / 2],
data.iter().fold(f64::INFINITY, |a, &b| a.min(b)),
data.iter().fold(-f64::INFINITY, |a, &b| a.max(b)));
write!(file, "{}\t{}\t{:15.4}\t{:15.4}\t{:15.4}\t{:15.4}\t{:15}\n", write!(file, "{}\t{}\t{:15.4}\t{:15.4}\t{:15.4}\t{:15.4}\t{:15}\n",
category.format(&self.output), meta.format(&self.output), category.format(&self.output), meta.format(&self.output),
mean, median, min, max, data_len).unwrap(); mean, median, min, max, data_len).unwrap();
@ -378,11 +386,7 @@ impl Profiler {
}); });
let data_len = data.len(); let data_len = data.len();
if data_len > 0 { if data_len > 0 {
let (mean, median, min, max) = let (mean, median, min, max) = Self::get_statistics(data);
(data.iter().sum::<f64>() / (data_len as f64),
data[data_len / 2],
data.iter().fold(f64::INFINITY, |a, &b| a.min(b)),
data.iter().fold(-f64::INFINITY, |a, &b| a.max(b)));
writeln!(&mut lock, "{:-35}{} {:15.4} {:15.4} {:15.4} {:15.4} {:15}", writeln!(&mut lock, "{:-35}{} {:15.4} {:15.4} {:15.4} {:15.4} {:15}",
category.format(&self.output), meta.format(&self.output), mean, median, min, max, category.format(&self.output), meta.format(&self.output), mean, median, min, max,
data_len).unwrap(); data_len).unwrap();