andygrove commented on code in PR #1641:
URL:
https://github.com/apache/datafusion-ballista/pull/1641#discussion_r3174838750
##########
benchmarks/src/bin/tpch.rs:
##########
@@ -354,34 +355,37 @@ async fn benchmark_datafusion(opt:
DataFusionBenchmarkOpt) -> Result<Vec<RecordB
let df = ctx.sql(sql).await?;
result = df.collect().await?;
}
- let elapsed = start.elapsed().as_secs_f64() * 1000.0;
+ let elapsed = start.elapsed().as_secs_f64();
if opt.debug {
pretty::print_batches(&result)?;
}
- millis.push(elapsed);
+ secs.push(elapsed);
let row_count = result.iter().map(|b| b.num_rows()).sum();
if opt.iterations == 1 {
println!(
- "Query {} took {:.1} ms and returned {} rows",
+ "Query {} took {:.3} s and returned {} rows",
query, elapsed, row_count
);
} else {
println!(
- "Query {} iteration {} took {:.1} ms and returned {} rows",
+ "Query {} iteration {} took {:.3} s and returned {} rows",
query, i, elapsed, row_count
);
}
query_run.add_result(elapsed, row_count);
}
if opt.iterations > 1 {
- let avg = millis.iter().sum::<f64>() / millis.len() as f64;
- println!("Query {} avg time: {:.1} ms", query, avg);
+ let avg = secs.iter().sum::<f64>() / secs.len() as f64;
+ println!("Query {} avg time: {:.3} s", query, avg);
}
benchmark_run.add_query_run(query_run);
}
+ let total_elapsed = total_start.elapsed().as_secs_f64();
Review Comment:
Good question. Switched to summing per-query times: sum of elapsed when
iterations is 1, sum of per-query averages when iterations > 1.
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