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| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> | 2024-01-06 10:55:07 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-06 10:55:07 +0100 |
| commit | a53aa2e6fdbcc74e0c6a9a308f0a8c3507b0e06a (patch) | |
| tree | 045dae9a8853a4baf295c226fc31236d96ce0e10 /calculate_average_thomaswue.sh | |
| parent | 093bd35c44bba5a62dccfc3caf697f9ce9043ae3 (diff) | |
Initial version for thomaswue with Oracle GraalVM Native Image
* Initial version.
* Make PGO feature optional off-by-default. Needs PGO_MODE environment
variable to be set. Add -O3 -march=native tuning flags for better
performance.
* Adjust script to be more quiet.
* Adjust max city length. Fix an issue when accumulating results.
* Tune thomaswue submission.
mmap the entire file, use Unsafe directly instead of ByteBuffer, avoid byte[] copies.
These tricks give a ~30% speedup, over an already fast implementation.
* Optimize parsing of numbers based on specific given constraints.
* Fix for segment calculation for case of very small input.
* Minor shell script fixes.
* Separate out build step into file additional_build_step_thomaswue.sh,
simplify run script and remove PGO option for now.
* Minor corrections to the run script.
---------
Co-authored-by: Alfonso² Peterssen <alfonso.peterssen@oracle.com>
Diffstat (limited to 'calculate_average_thomaswue.sh')
| -rwxr-xr-x | calculate_average_thomaswue.sh | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/calculate_average_thomaswue.sh b/calculate_average_thomaswue.sh new file mode 100755 index 0000000..d875f8a --- /dev/null +++ b/calculate_average_thomaswue.sh @@ -0,0 +1,29 @@ +#!/bin/sh +# +# Copyright 2023 The original authors +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# 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 + time ./image_calculateaverage_thomaswue +else + source "$HOME/.sdkman/bin/sdkman-init.sh" + sdk use java 21.0.1-graal 1>&2 + 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 + time java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_thomaswue +fi + |