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- Results of running the "cswitch" benchmark on different
- configurations. This benchmark forks a child process and
- repeatedly passes one byte back and forth between parent
- and child using pipes. The times reported below are the
- average time for a round-trip (2 context switches).
-
- Configuration Time per context switch (ms)
- ------------- ----------------------------
-
- DS5000 Ultrix 3.1D 3/20/90 .18
- M2000 RISC/os 4.0 10/3/89 .30
- DS3100 Ultrix 3.1 10/25/89 .34
- DS3100 Mach 2.5 4/3/90 .50
- DS3100 Sprite FD.035 9/29/89 (opt.) .51
- VAX 8800 Ultrix 3.0 9/19/89 .70
- DS3100 Ultrix 3.0 9/20/89 .72
- Sun-4 Mach 2.5 4/4/90 .82
- DS3100 Sprite 1.022 9/19/89 (no opt.) .89
- Sun-4 SunOS 4.0.3 3/25/90 1.04
- SS1 SunOS 4.0.3c 3/25/90 1.06
- HP835 HP-UX 4/13/90 1.12
- Sun-4 Sprite 1.022 9/19/89 1.17
- SS1 Sprite 1.061 3/25/90 1.19
- RS/6000-320 AIX 3.1 5/9/90 1.44
- Sun-3 SunOS 3.5 9/19/89 2.36
- Sun-3 Sprite 1.016 9/19/89 2.41
- RT-APC Mach 2.5 11/8/89 3.52
- MVAX2 Ultrix 3.0 9/27/89 3.66
- SPUR 4 cpu Sprite JHH.287 11/3/89 7.87
-