mistral-io-datasets/tools/kstest/src/main.rs

extern crate kolmogorov_smirnov as ks;
extern crate csv;
extern crate serde;
extern crate chrono;

use std::fs::File;
use std::io::prelude::*;

//use std::fs::File;
use serde::Deserialize;
use serde::Serialize;
use std::collections::HashMap;
use std::env;
use std::io::LineWriter;

pub type Score = u32;
pub type MetricCoding = Vec<Score>;
pub type JobCoding = Vec<MetricCoding>;
pub type Similarity = f32;

pub type Jobid = u32;
pub type QCodings = HashMap<Jobid, JobCoding>;

#[derive(Debug, Deserialize)]
pub struct Record {
    jobid: u32,
    md_file_create: String,
    md_file_delete: String,
    md_mod: String,
    md_other: String,
    md_read: String,
    read_bytes: String,
    read_calls: String,
    write_bytes: String,
    write_calls: String,
}

#[derive(Debug, Serialize)]
pub struct SimilarityRow {
    pub jobid: u32,
    pub alg_id: u32,
    pub alg_name: String,
    pub similarity: f32,
    pub status: String,
}

#[derive(Debug, Serialize)]
pub struct ProgressRow {
    iteration: u32,
    alg_id: u32,
    alg_name: String,
    jobs_done: usize,
    jobs_total: usize,
    elapsed: f64,
    delta: f64,
}


pub fn convert_to_coding(coding: String) -> Vec<Score> {
    let split = coding.split(":");
    let vec: Vec<Score> = split
        .filter(|s| !s.is_empty())
        //.map(|s| s.parse::<F>().unwrap())
        .map(|s| s.parse().unwrap())
        .collect();
    vec
}


fn run(dataset_fn: String, jobid: Jobid, similarities_fn: String, progress_fn: String, log_fn: String) {
    let mut q_codings: QCodings = HashMap::new();
    let file = File::open(&dataset_fn).expect("Unable to open dataset.");
    let mut rdr = csv::Reader::from_reader(file);

    //for result in rdr.deserialize().take(10000) {
    for result in rdr.deserialize() {
        let record: Record = result.expect("bla bla");
        let q_coding = vec![
			convert_to_coding(record.md_file_create),
			convert_to_coding(record.md_file_delete),
			convert_to_coding(record.md_mod),
			convert_to_coding(record.md_other),
			convert_to_coding(record.md_read),
			convert_to_coding(record.read_bytes),
			convert_to_coding(record.read_calls),
			convert_to_coding(record.write_bytes),
			convert_to_coding(record.write_calls),
        ];

        // Filter Zero-Jobs
        if q_coding.iter().map(|x| x.iter().sum::<Score>()).sum::<Score>() > (0 as Score) {
           q_codings.insert(record.jobid, q_coding);
        }
    }

    let similarities_file = File::create(&similarities_fn).expect("Unable to open");
    let mut wtr_similarities = csv::Writer::from_writer(&similarities_file);
    let alg_name = "ks";
    let alg_id = 6;

    let progress_file = File::create(&progress_fn).expect("Unable to open");
    let mut wtr_progress = csv::Writer::from_writer(&progress_file);
    let mut counter = 1;

    let mut similarities: Vec<(Jobid, Similarity, bool)> = Vec::new();

    let log_file = File::create(&log_fn).expect("Unable to open");
    let mut log_file = LineWriter::new(log_file);

    for i in 0..10 {
        let mut avail_codings: Vec<(u32, &JobCoding)>;
        avail_codings = q_codings.iter().map(|(k, v)| (*k, v)).collect();

        let probe = q_codings[&jobid].clone();
        let mut start_chunk = chrono::Utc::now();
        let start = start_chunk;
        while let Some((jobid, q_coding)) = avail_codings.pop() {
            if (counter % 10_000) == 0 {
                let stop_chunk = chrono::Utc::now();
                let progress_row = ProgressRow {
                    iteration: i,
                    alg_id: alg_id,
                    alg_name: String::from(alg_name),
                    jobs_done: counter,
                    jobs_total: q_codings.len(),
                    elapsed: (((stop_chunk - start).num_milliseconds() as f64) / 1000.0),
                    delta: (((stop_chunk - start_chunk).num_milliseconds() as f64) / 1000.0),
                };
                wtr_progress.serialize(progress_row).unwrap();
                start_chunk = stop_chunk;
            }

            let mut metric_similarities = vec![];
            let mut err = false;

            let confidence = 0.95;
            for metric_codings in q_coding.iter().zip(&probe) {
                let metric_similarity = match ks::test(metric_codings.0, metric_codings.1, confidence) {
                    Ok(sim) => {
                        (1.0 - sim.reject_probability) as Similarity
                    }
                    Err(e) => {
                        err = true;
                        let message = format!("jobid failed {:?}, because {:?}\n", jobid, e);
                        log_file.write_all(message.as_bytes()).unwrap();
                        0.0
                    }
                };
                metric_similarities.push(metric_similarity);
            }
            let similarity = metric_similarities.iter().sum::<f32>() / (metric_similarities.len() as f32);

            similarities.push((jobid, similarity, err));
            counter += 1;
        }
    }


    let mut status_map: HashMap<bool, String> = HashMap::new();
    status_map.insert(false, String::from("ok"));
    status_map.insert(true, String::from("failed"));

    for (jobid, similarity, err) in similarities.iter() {
        let similarity_row = SimilarityRow {
            jobid: *jobid,
            alg_id: alg_id,
            alg_name: String::from(alg_name),
            similarity: *similarity,
            status: status_map[err].clone(),
        };
        wtr_similarities.serialize(similarity_row).unwrap();
    }
    log_file.flush().unwrap();
}




fn main() {
    let args: Vec<String> = env::args().collect();
    let dataset_fn = args[1].clone();
    let jobid = args[2].parse::<u32>().unwrap();
    let sim_fn = args[3].clone();
    let progress_fn = args[4].clone();
    let log_fn = args[5].clone();
    println!("{:?}", args);

    run(dataset_fn, jobid, sim_fn, progress_fn, log_fn);
}


mod tests {
    //use super::*;

    #[test]
    fn test_ks_test() {
        let xs = vec!(0.0  , 1.0  , 2.0  , 3.0 , 4.0 , 5.0 , 6.0 , 7.0 , 8.0 , 9.0 , 10.0 , 11.0 , 12.0);
        let ys = vec!(12.0 , 11.0 , 10.0 , 9.0 , 8.0 , 7.0 , 6.0 , 5.0 , 4.0 , 3.0 , 2.0  , 1.0  , 0.0);

        ks::test_f64(&xs, &ys, 0.95);

        let c1 = vec![141.0,143.0,142.0,238.0,132.0,486.0,38.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,128.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0];
        let c2 = vec![239.0,239.0,255.0,255.0,239.0,239.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,511.0,502.0,511.0,503.0];
        ks::test_f64(&c1, &c2, 0.95);


        let c1 = vec![2.0,2.0,2.0,9.0,3.0,0.0,0.0,0.0];
        let c2 = vec![2.0,2.0,2.0,2.0,8.0,3.0,0.0,10.0];
        ks::test_f64(&c1, &c2, 0.95);
    }

    #[test]
    fn test_ks_test2() {
        let c1 = vec![
            vec![8,0,0,0],
            vec![10,0,0,0],
            vec![10,0,0,0],
            vec![8,0,0,0],
            vec![2,2,0,0],
            vec![4,0,0,0],
            vec![2,0,0,0],
            vec![10,2,0,0],
            vec![2,2,0,0],
        ];
        let c2 = vec![
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        println!("{:?}", ks::test(&c1[0], &c2[0], 0.95).unwrap().reject_probability);
    }
}