download IS slower than Go-lang

src/download/jpmaqsdownload.rs

@@ -83,11 +83,17 @@ impl JPMaQSDownload {
         assert!(all_jpmaq_expressions(expressions.clone()));
         let dqts_vec = self.get_expressions(expressions)?;
 
+        println!("Retrieved {} time series", dqts_vec.len());
+        let start = std::time::Instant::now();
         let indicators = dqts_vec
             .iter()
             .flat_map(|dqts| dqts.get_timeseries_by_ticker())
             .map(|tsv| JPMaQSIndicator::new(tsv))
             .collect::<Result<Vec<JPMaQSIndicator>, Box<dyn Error>>>()?;
+        println!(
+            "Converted time series to indicators in {:?}",
+            start.elapsed()
+        );
 
         Ok(indicators)
     }