rec.autos.simulators

Improving GPL's frame rate

Alison Hi

Improving GPL's frame rate

by Alison Hi » Fri, 02 Oct 1998 04:00:00

Several people have posted messages expressing concerns about frame rate
in GPL on some computers.  Here's a summary of things to try which
should help with your frame rate:

1. In graphics, set Mirrors to Cars and turn off car textures.  Drawing
all the polygons and painting all the textures in the mirrors is very
expensive, particularly on Voodoo cards, which have seperate frame and
texture buffers.

2. Turn off anti-aliasing and all lighting effects.

3. Set your resolution to 640x480 or below.

I always do all of the above on any machine less than a P2-350.

4. Run with no more than 5 to 8 AI cars.

5. Turn off special effects, particularly skid marks, which are very
expensive.

6. Move the detail bias slider to the left.

7. Turn off all***pit detail and beveled tires.

8. Start cutting other textures, starting with the least important, such
as clouds.

Note that none of this will help if you are running on a Pentium Classic
with no L2 cache.  You've got to have L2 cache (or a Celeron) for GPL to
run well.

I believe that the most cost-effective hardware upgrades for Pentium
Classics and K6's are:

1. If you are running a 4 mb Rendition card or any Voodoo card, get an 8
mb Rendition 2200 card (i.e. a Hercules Thriller).  At under $140, an 8
mb V2200 will almost certainly make a significant improvement because it
allows GPL to use CPU and texture memory more efficiently.

2. If your motherboard allows it, overclock the motherboard bus to 75
mhz or even higher if the machine will tolerate it.  Reduce the clock
multiplier if necessary; a machine running at 75x3=225 will be more
efficient in GPL than the same machine running at 66x3.5=233 because it
will run the L2 cache faster.

3. Upgrade your CPU.  Pentiums and AMD K-6's in the 233 to 266 range are
quite inexpensive these days.

On the other hand, if you can swing the $300-400 necessary to upgrade to
a Celeron and a Slot One motherboard (plus appropriate memory and case),
you will find that GPL is fantastic.

"What!!??" you say.  "Spend $400 to play a $50 game!!??"

I don't look at it that way.  GPL is not a game.  It is not even a
racing simulation in the traditional sense.  Instead, particularly when
you are racing against other humans, GPL is *real* racing, in simulated
cars, cars which are simulated so perfectly that, except for the lack of
G forces and tactile feedback, it's difficult to tell them apart from
the real thing.

I look at it like this: for a very small sum of money, I am getting
seven Grand Prix cars and unlimited access rights to eleven of the most
fabulous racing circuits ever built.  For a third the cost of a single
weekend of racing 120 hp Formula cars in training series such as the
Skip Barber or Jim Russell series, I can race a 400 hp Grand Prix car
any time I want, at any of these fabulous circuits, for as long as I
want.  Further, I can race with my friends, even if they live across the
continent or even on another continent.

That sounds like a really good deal to me!

See the Hardware FAQ on my new GPL site for more details on GPL and
hardware:

  http://www.racesimcentral.net/~alison/gpl/

Alison


Lou

Improving GPL's frame rate

by Lou » Fri, 02 Oct 1998 04:00:00


>Several people have posted messages expressing concerns about frame rate
>in GPL on some computers.  Here's a summary of things to try which
>should help with your frame rate:
>Note that none of this will help if you are running on a Pentium Classic
>with no L2 cache.  You've got to have L2 cache (or a Celeron) for GPL to
>run well.
>Alison



Ok I know P2's have been out for a while and my P166 is too slow for most
new games so I have been saving money to upgrade. However it really bugs me
that GPL says on the box that minimum requirement is P166 (I have P166 80mb,
V2 12mb) and the game is unplayable in a race with min 5 cars at -8fps. The
"preferred" system is P266 but this seems to be less than the minimum to
have decent graphics in a race. I think they should list the preferred or
recommended system as what it would take to run with all cars and nearly all
graphics options. Like you said this is more of a real simulator and worth
upgrading to play it but they should be more honest on the requirements.

Lou
Dsr#74 :-)

Marc Collin

Improving GPL's frame rate

by Marc Collin » Fri, 02 Oct 1998 04:00:00

In other words, turn it into something that bears very little resemblance to
the great looking racing game depicted on the outside of the box and in all
of the adverti***ts and promotions.  Turning down graphics options is one
thing, eliminating your racing opponents in a racing game is quite
another...

Marc.


>Several people have posted messages expressing concerns about frame rate
>in GPL on some computers.  Here's a summary of things to try which
>should help with your frame rate:

>1. In graphics, set Mirrors to Cars and turn off car textures.  Drawing
>all the polygons and painting all the textures in the mirrors is very
>expensive, particularly on Voodoo cards, which have seperate frame and
>texture buffers.

>2. Turn off anti-aliasing and all lighting effects.

>3. Set your resolution to 640x480 or below.

>I always do all of the above on any machine less than a P2-350.

>4. Run with no more than 5 to 8 AI cars.

>5. Turn off special effects, particularly skid marks, which are very
>expensive.

>6. Move the detail bias slider to the left.

>7. Turn off all***pit detail and beveled tires.

>8. Start cutting other textures, starting with the least important, such
>as clouds.

>Note that none of this will help if you are running on a Pentium Classic
>with no L2 cache.  You've got to have L2 cache (or a Celeron) for GPL to
>run well.

>I believe that the most cost-effective hardware upgrades for Pentium
>Classics and K6's are:

>1. If you are running a 4 mb Rendition card or any Voodoo card, get an 8
>mb Rendition 2200 card (i.e. a Hercules Thriller).  At under $140, an 8
>mb V2200 will almost certainly make a significant improvement because it
>allows GPL to use CPU and texture memory more efficiently.

>2. If your motherboard allows it, overclock the motherboard bus to 75
>mhz or even higher if the machine will tolerate it.  Reduce the clock
>multiplier if necessary; a machine running at 75x3=225 will be more
>efficient in GPL than the same machine running at 66x3.5=233 because it
>will run the L2 cache faster.

>3. Upgrade your CPU.  Pentiums and AMD K-6's in the 233 to 266 range are
>quite inexpensive these days.

>On the other hand, if you can swing the $300-400 necessary to upgrade to
>a Celeron and a Slot One motherboard (plus appropriate memory and case),
>you will find that GPL is fantastic.

>"What!!??" you say.  "Spend $400 to play a $50 game!!??"

>I don't look at it that way.  GPL is not a game.  It is not even a
>racing simulation in the traditional sense.  Instead, particularly when
>you are racing against other humans, GPL is *real* racing, in simulated
>cars, cars which are simulated so perfectly that, except for the lack of
>G forces and tactile feedback, it's difficult to tell them apart from
>the real thing.

>I look at it like this: for a very small sum of money, I am getting
>seven Grand Prix cars and unlimited access rights to eleven of the most
>fabulous racing circuits ever built.  For a third the cost of a single
>weekend of racing 120 hp Formula cars in training series such as the
>Skip Barber or Jim Russell series, I can race a 400 hp Grand Prix car
>any time I want, at any of these fabulous circuits, for as long as I
>want.  Further, I can race with my friends, even if they live across the
>continent or even on another continent.

>That sounds like a really good deal to me!

>See the Hardware FAQ on my new GPL site for more details on GPL and
>hardware:

>  http://www.racesimcentral.net/~alison/gpl/

>Alison



Ferdinand Trauttmansdor

Improving GPL's frame rate

by Ferdinand Trauttmansdor » Mon, 05 Oct 1998 04:00:00


Okay, you've got me worried now.  I have no idea what L2 cache is so I
don't know for sure whether or not I have any.

The literature on my system, an Acer Aspire, only tells me that it
has:
     233MHz AMD-K6 MMX Processor
     32MB EDO system memory, expandable to 128MB
     512KB pipeline burst cache

Is any of that considered to be L2 cache?  If not, how I can figure
out if it has any?

        -Ferdinand-

Wolfgang Prei

Improving GPL's frame rate

by Wolfgang Prei » Mon, 05 Oct 1998 04:00:00


>The literature on my system, an Acer Aspire, only tells me that it
>has:
>     233MHz AMD-K6 MMX Processor
>     32MB EDO system memory, expandable to 128MB
>     512KB pipeline burst cache

>Is any of that considered to be L2 cache?  If not, how I can figure
>out if it has any?

The 512k pipelined burst cache are the level 2 cache you're looking
for. It should be sufficient for GPL, from what I read.

--
Wolfgang Preiss   \ E-mail copies of replies to this posting are welcome.



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