bench.txt

# pdf2printable
make -Bj$(nproc)
time ./pdf2printable -r 600 ~/reference.pdf out.pwg
time ./pdf2printable -r 600 -c gray8 ~/reference.pdf out.pwg

# ipptransform
./configure
make -Bj$(nproc)
LD_LIBRARY_PATH=./cups/ time ./tools/ipptransform -m image/pwg-raster -r 600 -t srgb_8 ~/reference.pdf > out.pwg
LD_LIBRARY_PATH=./cups/ time ./tools/ipptransform -m image/pwg-raster -r 600 -t sgray_8 ~/reference.pdf > out.pwg

# jrender

diff --git a/sample/jrender/src/main/java/sample/jrender/Main.java b/sample/jrender/src/main/java/sample/jrender/Main.java
index 0fc678d..2dcf810 100644
--- a/sample/jrender/src/main/java/sample/jrender/Main.java
+++ b/sample/jrender/src/main/java/sample/jrender/Main.java
@@ -29,7 +29,7 @@ import org.apache.pdfbox.rendering.ImageType;
 import org.apache.pdfbox.rendering.PDFRenderer;

 class Main {
-    private static final int DPI = 300;
+    private static final int DPI = 600;
     private static final ImageType IMAGE_TYPE = ImageType.RGB;
     private final static double RED_COEFFICIENT = 0.2126;
     private final static double GREEN_COEFFICIENT = 0.7512;

./gradlew build -Dorg.gradle.java.home=/usr/lib/jvm/java-1.8.0-openjdk-amd64/ && unzip -o ./sample/jrender/build/distributions/jrender-*.zip
time jrender-*/bin/jrender ~/reference.pdf out.pwg

# mutool
make -Bj$(nproc)
time ./build/release/mutool convert -O resolution=600 -A 0 -o out.pwg ~/reference.pdf
time ./build/release/mutool convert -O resolution=600,colorspace=gray -A 0 -o out.pwg  ~/reference.pdf