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- Newsgroups: comp.sys.next.misc
- Path: sparky!uunet!wri!news
- From: perelet@avignon.wri.com (Oleg Perelet)
- Subject: Re: Number-Cruching on Next (raytracing SUMMARY)
- Message-ID: <1992Jul17.011909.16710@wri.com>
- Sender: news@wri.com
- Nntp-Posting-Host: fixme.wri.com
- Organization: Wolfram Research, Inc.
- References: <1992Jul16.235718.418@usenet.ins.cwru.edu>
- Date: Fri, 17 Jul 1992 01:19:09 GMT
- Lines: 84
-
- In article <1992Jul16.235718.418@usenet.ins.cwru.edu> ramesh@veda (Ramesh
- Dodamani) writes:
- >
- > Hi guys
- >
- > Has anybody been using NeXT for number-crunching applications? How does
- it
- > compare with any of the equivalent Sun machines?
- >
- > Thanks in advance.
- > Ramesh
- In article <1992Jul16.235718.418@usenet.ins.cwru.edu> ramesh@veda (Ramesh
- Dodamani) writes:
- >
- > Hi guys
- >
- > Has anybody been using NeXT for number-crunching applications? How does
- it
- > compare with any of the equivalent Sun machines?
- >
- > Thanks in advance.
- > Ramesh
-
- Here is raytracing statistics:
- I was using rayshade to render pool.ray (included in rayshade pakage).
-
- Eye rays: 850104
- Shadow rays: 839677
- Reflected rays: 44834
- Refracted rays: 0
- Total rays: 1734615
- Intersecting rays: 1006258 (58.010%)
- Shadow cache hits: 109220 (2100 misses)
- Total shadow hits: 111320 (13.257%)
- Supersampled pixels: 73431
- B.V. intersection tests: 22342816
- Plane intersection tests: 9752370 (1715264 hit, 17.588176%)
- Box intersection tests: 8496699 (621628 hit, 7.316112%)
- Sphere intersection tests: 69867 (22654 hit, 32.424464%)
- Total prim. intersection tests: 18318936 (2359546 hit, 12.880366%)
-
- SPARC2:
- Total CPU time (sec): 1161.22 (1150.83u + 10.39s)
- Seconds / ray: 0.0007
- Seconds / intersecting ray: 0.0012
- Total memory allocated: 80234 bytes
- NEC:
- Total CPU time (sec): 800.91 (794.53u + 6.38s)
- Seconds / ray: 0.0005
- Seconds / intersecting ray: 0.0008
- Total memory allocated: 80214 bytes
- RS6000:
- Total CPU time (sec): 807.07 (806.68u + 0.39s)
- Seconds / ray: 0.0005
- Seconds / intersecting ray: 0.0008
- Total memory allocated: 79931 bytes
- NeXT33:
- Total CPU time (sec): 1681.07 (1499.47u + 181.59s)
- Seconds / ray: 0.0010
- Seconds / intersecting ray: 0.0017
- Total memory allocated: 79792 bytes
- NeXT25:
- Total CPU time (sec): 2357.74 (2141.41u + 216.33s)
- Seconds / ray: 0.0014
- Seconds / intersecting ray: 0.0023
- Total memory allocated: 79804 bytes
- HP 9000/730:
- Total CPU time (sec): 439.83 (439.22u + 0.61s)
- Seconds / ray: 0.0003
- Seconds / intersecting ray: 0.0004
- Total memory allocated: 80232 bytes
- AVIION:
- otal CPU time (sec): 0.00 (0.00u + 0.00s)
- Seconds / ray: 0.0000
- Seconds / intersecting ray: 0.0000
- Total memory allocated: 80235 bytes
-
- --
- Oleg Perelet
- perelet@wri.com
-
- --
- Oleg Perelet
- perelet@wri.com
-