adverb, adjective, noun, plural -tos.| 1. | quickly, rapidly, or immediately. |
| 2. | at a rapid tempo (used as a musical direction). |
| 3. | quick or rapid. |
| 4. | executed at a rapid tempo (used as a musical direction). |
| 5. | Music. a movement or piece in quick tempo. |

PRESTO
A parallel language for shared-memory multiprocessors, built on top of C++ by Bershad et al, U Washington 1987. PRESTO provides classes for threads and spinlocks as well as Mesa-style monitors and condition variables.
(ftp://cs.washington.edu/pub/presto1.0.tar.Z). E-mail:
["PRESTO: A Kernel for Parallel Programming Environments", B.N. Bershad et al, U Wash CS TR, Jan 1987].