home *** CD-ROM | disk | FTP | other *** search
- I am a long time 3DS user and have recently added LW4 (pre
- release) to my software armoury.
- My first impressions are really favourable.
- The modeller and layout seem really good creative tools. The
- image quality seems good enough - and the lens flares just blow me away.
- On the downside, the preview window is much too small to be
- useful and the use of Windows load/save dialog boxes is just plain wrong.
- The most important benefit to me is something which I suspect t
- LW users don't think much about: the scene file does not contain
- geometry! I can design a shot, render-up previews, then go away, work on
- the models and when I come to re-render. The new models appear! Bloody
- marvellous!!! In 3DS this would require cutting and pasting making the
- job very awkward.
- What I have discovered is something very very odd. Lightwave
- (pre-release) crawls on Pentiums. On a test frame (with exactly the same
- rendering parameters) a scene rendered on my office P90 takes 7 mins 20s.
- On my home machine (a DX266) the same frame takes just over 8 mins. Only
- marginally slower.
- This is incredibly bizarre. In most applications the P90 is at
- least twice as fast as the 66. In heavy FPU-using apps the performance
- gain is much greater. In 3D Studio the Pentium machines can easily out-do
- the 66 by a factor of 4 to one!
- Something odd is going on here. I don't think this an OS issue.
- Most Windows apps benefit from the same sort of speed up. Besides the
- Pentium runs slowly in both NT and in Windows 95. I wonder if the
- Lightwave code is testing for a Pentium & then using a floating-point fix
- for the famous math error (which is not present on my machine).
-
- This is mysterious and seems to me to be a serious problem. If LW
- really was capable of running 4 times faster than my 66 on a P90 then the
- performance would be outstanding. Certainly worth considering switching
- to as our main rendering tool. What gives?
-
- Glyn Williams
-
-
-
-