Performance, cont’d

• Alice’s second card operation

  • Send/receive (two SCOS commands)
  • 112 bytes moved
    • SCOS can move 64 bytes in one command
    • Requires extra SCOS (send-only) command
  • 133 ms comm, 241 ms card, 374 ms total

• Clock time: 3.1 sec.

• About 1/3 of the time can be accounted to card operations

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