CL-USER> (concurrent-hash-table:run-tests)
Testing Unsynchronised hash table, one thread:
  Finished in 0.17 seconds
Testing Boxed hash table, one thread:
  Finished in 0.22 seconds
Testing Boxed hash table, five threads:
  Finished in 0.51 seconds
  Finished in 0.53 seconds
  Finished in 0.53 seconds
  Finished in 0.53 seconds
  Finished in 0.54 seconds
Testing Synchronised hash table, one thread:
  Finished in 0.29 seconds
Testing Synchronised hash table, five threads:
  Finished in 0.71 seconds
  Finished in 0.79 seconds
  Finished in 0.81 seconds
  Finished in 0.82 seconds
  Finished in 0.82 seconds
Testing Concurrent hash table, one thread:
  Finished in 7.46 seconds
Testing Concurrent hash table, five threads:
  Finished in 1.56 seconds
  Finished in 1.56 seconds
  Finished in 1.57 seconds
  Finished in 1.57 seconds
  Finished in 1.57 seconds