Remove additional_build_steps_*.sh support (#301)

There is no need to have it as preparation steps could be fit into prepare_*.sh

calculate_average_thomaswue.sh

@@ -15,13 +15,12 @@
 #  limitations under the License.
 #
 
-
-if [ -f ./image_calculateaverage_thomaswue ]; then
-    echo "Picking up existing native image, delete the file to select JVM mode." 1>&2
-    ./image_calculateaverage_thomaswue
+if [ -f target/CalculateAverage_thomaswue_image ]; then
+    echo "Picking up existing native image 'target/CalculateAverage_thomaswue_image', delete the file to select JVM mode." 1>&2
+    target/CalculateAverage_thomaswue_image
 else
     JAVA_OPTS="--enable-preview"
-    echo "Chosing to run the app in JVM mode as no native image was found, use additional_build_step_thomaswue.sh to generate." 1>&2
+    echo "Chosing to run the app in JVM mode as no native image was found, use prepare_thomaswue.sh to generate." 1>&2
     java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_thomaswue
 fi
 

evaluate2.sh

@@ -20,8 +20,7 @@ set -eo pipefail
 if [ -z "$1" ]
   then
     echo "Usage: evaluate2.sh <fork name> (<fork name 2> ...)"
-    echo " for each fork, there must be a 'prepare_<fork name>.sh' script and a 'calculate_average_<fork name>.sh' script"
-    echo " there may be an 'additional_build_steps_<fork name>.sh' script too"
+    echo " for each fork, there must be a 'calculate_average_<fork name>.sh' script and an optional 'prepare_<fork name>.sh'."
     exit 1
 fi
 
@@ -132,12 +131,6 @@ for fork in "$@"; do
     sdk use java $DEFAULT_JAVA_VERSION
   fi
 
-  # Optional additional build steps
-  if [ -f "./additional_build_steps_$fork.sh" ]; then
-    echo "+ ./additional_build_steps_$fork.sh"
-    ./additional_build_steps_$fork.sh
-  fi
-
   # Use hyperfine to run the benchmarks for each fork
   HYPERFINE_OPTS="--warmup 1 --runs 5 --export-json $fork-$filetimestamp-timing.json --output ./$fork-$filetimestamp.out"
 
@@ -236,14 +229,14 @@ for fork in "$@"; do
 
   # Read java version from prepare_$fork.sh if it exists, otherwise assume 21.0.1-open
   java_version="21.0.1-open"
-  if [ -f "./prepare_$fork.sh" ]; then
-    java_version=$(grep "sdk use java" ./prepare_$fork.sh | cut -d' ' -f4)
-  fi
-
   # Hard-coding the note message for now
   notes=""
-  if [ -f "./additional_build_steps_$fork.sh" ]; then
-    notes="GraalVM native binary"
+  if [ -f "./prepare_$fork.sh" ]; then
+    java_version=$(grep -F "sdk use java" ./prepare_$fork.sh | cut -d' ' -f4)
+
+    if grep -F "native-image" -q ./prepare_$fork.sh ; then
+      notes="GraalVM native binary"
+    fi
   fi
 
   echo -n "$trimmed_mean;" >> $leaderboard_temp_file # for sorting

prepare_thomaswue.sh

@@ -17,3 +17,9 @@
 
 source "$HOME/.sdkman/bin/sdkman-init.sh"
 sdk use java 21.0.1-graal 1>&2
+
+# ./mvnw clean verify removes target/ and will re-trigger native image creation.
+if [ ! -f target/CalculateAverage_thomaswue_image ]; then
+    NATIVE_IMAGE_OPTS="--gc=epsilon -O3 -march=native --enable-preview"
+    native-image $NATIVE_IMAGE_OPTS -cp target/average-1.0.0-SNAPSHOT.jar -o target/CalculateAverage_thomaswue_image dev.morling.onebrc.CalculateAverage_thomaswue
+fi