From 2155286d7a02ee3b92596d8905607277a0bcfbe7 Mon Sep 17 00:00:00 2001 From: Roy van Rijn Date: Mon, 1 Jan 2024 18:33:40 +0100 Subject: Initial implementation, using BufferedReader, parallel processing, combining everything in a single go, sorting afterwards (unoptimized) --- src/main/java/dev/morling/onebrc/CalculateAverage.java | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'src/main/java/dev/morling/onebrc/CalculateAverage.java') diff --git a/src/main/java/dev/morling/onebrc/CalculateAverage.java b/src/main/java/dev/morling/onebrc/CalculateAverage.java index c1b8258..b2f4e59 100644 --- a/src/main/java/dev/morling/onebrc/CalculateAverage.java +++ b/src/main/java/dev/morling/onebrc/CalculateAverage.java @@ -52,14 +52,14 @@ public class CalculateAverage { } public static void main(String[] args) throws IOException { -// Map measurements1 = Files.lines(Paths.get(FILE)) -// .map(l -> l.split(";")) -// .collect(groupingBy(m -> m[0], averagingDouble(m -> Double.parseDouble(m[1])))); -// -// measurements1 = new TreeMap<>(measurements1.entrySet() -// .stream() -// .collect(toMap(e -> e.getKey(), e -> Math.round(e.getValue() * 10.0) / 10.0))); -// System.out.println(measurements1); + // Map measurements1 = Files.lines(Paths.get(FILE)) + // .map(l -> l.split(";")) + // .collect(groupingBy(m -> m[0], averagingDouble(m -> Double.parseDouble(m[1])))); + // + // measurements1 = new TreeMap<>(measurements1.entrySet() + // .stream() + // .collect(toMap(e -> e.getKey(), e -> Math.round(e.getValue() * 10.0) / 10.0))); + // System.out.println(measurements1); Collector collector = Collector.of( MeasurementAggregator::new, -- cgit v1.2.3