timing 472 B

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  1. DHRYSTONES V2.0
  2. cc cc -O4 cc -O fccO fccCE ack ack -O4
  3. compile time:
  4. real 4.0 12.0 10.0 6.4 8.0 31.0
  5. user 1.6 7.3 4.1 1.9 1.8 2.0 9.3
  6. sys 0.9 2.1 1.8 2.5 1.5 2.0 7.7
  7. run time: 7263 16250 15250 4730 3430 8474 10434
  8. (stones/sec)
  9. SIEVE
  10. cc cc -O4 fccO fccCE ack ack -O4
  11. compile time:
  12. real 2.4 4.4 x 3.3 6.4 17.0
  13. user 0.8 1.6 x 0.7 0.7 3.2
  14. sys 0.7 1.0 x 0.8 1.3 6.2
  15. run time: 7.43 2.02 x 12.18 2.93 2.26
  16. All ack-derived compilers are shell script driven