xengine performance on RS6000

[Jeff Smith]

In <1991Apr17.190136.17974 at nrcnet0.nrc.ca> ng at cfd.di.nrc.ca (Kai Ng) writes:

>We have tried out the xengine on our RS6000 model 530 running 3003.
>The system is configured with 64meg of main memory and a 24-bit, 3D
>and Z-buffer graphics subsystem.

>The outcome, which ranges from 41 to 49, is extremely disappointing.
>We also have a Silicon Graphics 4D/25G and a SUN 3/60. Both perform
>about twice as good as the IBM.

>However somebody has claimed that on a 550, the xengine runs at 333.
>Has anybody tried it on their RS6000 ?

My bet is the 550 has the 2d card which has much better X performance,
and the 550 cpu *definitely* does crank.

BTW, my 4D/25G averages 177rpm running alpha IRIX 4.0 (which will
ship later this year).

jeffs at sgi.com