/jvm-collection-lib-benchmarks

https://collection-libs-comparison.develar.org/

Primary LanguageJavaThe UnlicenseUnlicense

HashMap performance tests from java-performance.info for Large HashMap overview.

Provided benchmarks results executed 9 May 2020.

See benchmark result charts.

Running Benchmark

The full test set takes around 7 hours to complete.

export JAVA_HOME=~/Downloads/jbr/Contents/Home
mvn package

java -jar benchmark/target/benchmarks.jar -bm ss -wi 40 -i 40 -f 1 -foe true -rf json \
  -p mapSize=100,1K,10K,100K,1M,10M -tu ms

Memory Usage Measurement

Memory usage measured using JOL.

export JAVA_HOME=~/Downloads/jbr/Contents/Home
mvn package

# sudo is required for JOL for ptrace_scope
# specify full path to java as under sudo different environment is used
sudo ~/Downloads/jbr/Contents/Home/bin/java -Djdk.attach.allowAttachSelf=true -Djdk.module.illegalAccess.silent=true -jar memory-benchmark/target/memory-benchmark.jar

Benchmark Results Environment

Presented data were computed on:

  • JVM: OpenJDK 64-Bit Server VM, 11.0.7+10-post-Ubuntu-2ubuntu218.04.
  • Machine: 
    Model Name                           MacBook Pro   
Model Identifier                     MacBookPro15,1
Processor Name:	6-Core Intel Core i7               
Processor Speed                      2,6 GHz       
Number of Processors                 1             
Total Number of Cores                6             
L2 Cache (per Core)                  256 KB        
L3 Cache                             9 MB          
Hyper-Threading Technology:	Enabled                
Memory:	32 GB