There are 2 repositories under micro-benchmarks topic.
collection of benchmarks to measure basic GPU capabilities
Collection of synchronization micro-benchmarks and traces from infrastructure applications
HyperBench: A Benchmark Suite for Virtualization Capabilities
CyBench IntelliJ IDEA plugin for benchmarking APIs, Java code
A Java micro-benchmark example of Pattern find vs. matches using JMH framework
CyBench plugin for Eclipse for benchmarking APIs, Java code
Benchmarks a function and saves the data to a text file
Playing with transduce (micro benchmark)