partitionedcounter

Overview

This is a C implementation of a partitioned counter. An instance of the partitioned can be incremented by multiple threads simultaneously in a thread-safe way.

API

• 'pc_init(pc_t *pc, int64_t *global_counter, uint32_t num_counters, int32_t threshold)': to initialize the counter.

• 'pc_destructor(pc_t *pc)': to destroy the counter and free up resources.

• 'pc_add(pc_t *pc, int64_t count)': to increment the counter by +count.

• 'pc_sync(pc_t *pc)': to sync up partitioned counters.

Build

To build on a Haswell or newer hardware:

 $ make
 $ ./test_pc 8

The argument to 'test_pc' is the number of threads.

Contributing

Contributions via GitHub pull requests are welcome.

Authors

• Prashant Pandey [email protected]
• Rob Johnson [email protected]