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Text below from KSC; ZOTZ 12 This output is from DM:SYS1;TS SPEEDY, running on ML. Extra info added in brackets from perusal of binary. speedy^K! PDP-10 INSTRUCTION TIMING TEST 60 HZ. 1 - MOVEI TAKES 2.24 USEC. 2 - INDEXING TAKES 296 NSEC. 3 - INDEXING AND INDIRECT TAKES 958 NSEC. 4 - JSR TAKES 4.27 USEC. 5 - JRST TAKES 2.24 USEC. 6 - MOVE FROM AC TAKES 2.73 USEC. 7 - MOVE FROM MEMORY TAKES 3.86 USEC. 8 - HRR FROM MEMORY TAKES 4.02 USEC. 9 - ADD FROM MEMORY TAKES 4.21 USEC. 10 - SETOM 0 TAKES 2.75 USEC. 11 - PUSHJ TAKES 4.98 USEC. 12 - SHIFTING TAKES 153 NSEC. 13 - FSC AN INTEGER ONE TAKES 7.32 USEC. [movei 1 ? fsc] 14 - FAD (1 RIGHT SHIFT) TAKES 6.27 USEC. [movsi 400 ? fad [400,,0]] 15 - FAD (8 SHIFT RIGHT-3 LEFT) TAKES 8.21 USEC. [movsi 200400 ? fad [210040,,0]] 16 - MUL (18 ADD/SUB - 36 SHIFTS) TAKES 12.44 USEC. [mul [525252]] 17 - FMP (14 ADD/SUB - 27 SHIFTS) TAKES 12.23 USEC. [movsi 201400 ? fmp [200525,,240000]] 18 - RELOCATION TAKES 0 NSEC. 19 - REPEATED I/O INSTRUCTIONS TAKE 77.01 USEC. 20 - SHIFT AND ADD TAKES 281 NSEC. [???? mul [1252,,525252]] TEST COMPLETED :KILL