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Game Forum / Simulators / Car Simulators / July 2003LFS - Framerate problems in multiplayer
Does anyone else have framerate problems online with LFS? Offline with 8 cars, my framerates are acceptable (30 - 50) but last night I tried to venture online and had framerates in the teens, and it was unplayable. I am on a dialup modem and had pings in the range of 200, if that matters. Stephen > Does anyone else have framerate problems online with LFS? Hi Stephen, I've noticed no difference between online or offline... at least nothing significant enough for me to be keeping an eye on the frame rate counter. But my race machine is fast enough that I might not notice a dip, and I'm on ADSL, racing on servers which show up as having a ping of 40-60. Which all means I have no excuse whatsoever for racing poorly :-) The LFS forums don't seem to have any suggestions either. I wonder if it's worth doing what we used to do in GPL, forcing a connection at 33k instead of 56k? These things are always a pain to debug. Andrew McP >> Does anyone else have framerate problems online with LFS? same here... sadly. In a ten car field, I ususally get 10-20 fps during the start, then it settles to 30-40 later on in the race. Any ideas? Cheers, uwe  Signaturemail replies to Uwe at schuerkamp dot de ( yahoo address is spambox) Uwe Schuerkamp //////////////////////////// http://www.schuerkamp.de/ Herford, Germany \\\\\\\\\\\\\\\\\\\\\\\\\\ (52.0N/8.5E) GPG Fingerprint: 2E 13 20 22 9A 3F 63 7F 67 6F E9 B1 A8 36 A4 61 > Any ideas? Have you noticed any hard disk activity while the frame rate's low? Buried in the menu somewhere are some settings for replay saving. Maybe at the start, with lots of vehicles close by, LFS is caching a lot of information for that replay. I had a bit of trouble with LFS pausing every few seconds (while the HD light flashed) but turning off replays seems to have cured it. It could easily be a coincidence though. Andrew McP PS Might be memory related, I have 512Mb in the PC and 128Mb on the vid card. > > Any ideas? > [quoted text clipped - 11 lines] > PS Might be memory related, I have 512Mb in the PC and 128Mb on the vid > card. I turned off replays, lowered texture size to reflect the meagre memory on my GeForce2Go etc (256Mb system, 32Mb graphics). As I said, I'm perfectly happy with the framerate in offline races against AI. Stephen thanks Andrew & Stephen, I'll try turning off replays and see if that solves the fps problem during the starts. Cheers! uwe Signaturemail replies to Uwe at schuerkamp dot de ( yahoo address is spambox) Uwe Schuerkamp //////////////////////////// http://www.schuerkamp.de/ Herford, Germany \\\\\\\\\\\\\\\\\\\\\\\\\\ (52.0N/8.5E) GPG Fingerprint: 2E 13 20 22 9A 3F 63 7F 67 6F E9 B1 A8 36 A4 61 > thanks Andrew & Stephen, > [quoted text clipped - 4 lines] > > uwe I disabled replays, flags and trees, made sure the multiplayer speedup is enabled and tried again... still slow as molasses during multiplayer starts, esp. when many different makes are on the track. I don't think it's a problem with my setup (I get 60fps at F1C Hockenheim test day and 90 in N2003 practise), so I wonder if anybody has managed to improve fps in LFS during multiplayer starts? Thanks again for your suggestions, uwe Signaturemail replies to Uwe at schuerkamp dot de ( yahoo address is spambox) Uwe Schuerkamp //////////////////////////// http://www.schuerkamp.de/ Herford, Germany \\\\\\\\\\\\\\\\\\\\\\\\\\ (52.0N/8.5E) GPG Fingerprint: 2E 13 20 22 9A 3F 63 7F 67 6F E9 B1 A8 36 A4 61 > Does anyone else have framerate problems online with LFS? Offline with 8 > cars, my framerates are acceptable (30 - 50) but last night I tried to > venture online and had framerates in the teens, and it was unplayable. I am > on a dialup modem and had pings in the range of 200, if that matters. A fast computer helps a lot in multiplayer mode. This is because you're not simply displaying the positions of the other cars. If there's 6 other cars on the track, your computer is calculating the physics for each of those cars + your own. Have you tried using the "multiplayer speedup" option in the Misc menu yet? Chris > > Does anyone else have framerate problems online with LFS? Offline with 8 > > cars, my framerates are acceptable (30 - 50) but last night I tried to [quoted text clipped - 7 lines] > cars + your own. Have you tried using the "multiplayer speedup" option in > the Misc menu yet? I thought it was the opposite. Offline the computer has to calculate the physics for each opponent (especially since the cars in LFS can use user-specified setups, which can be really funny), but online it should just be putting the cars in the right place based on x,y,z,roll,pitch,yaw. Online should be faster, I would think. Stephen p.s. I'll try the speedup option... > p.s. I'll try the speedup option... so what kind of frame rates should I expect from LFS S1 on the following rig? Athlon 1800XP+ GeForce 4 MX 440 (64MB, I believe) SBLive! Value ECS K7S5A / LAN 384MB SD-RAM (PC-133) Windows 98SE (just explorer and systray running) TSW2Mod (FF disabled in-game) Thanks in advance, uwe Signaturemail replies to Uwe at schuerkamp dot de ( yahoo address is spambox) Uwe Schuerkamp //////////////////////////// http://www.schuerkamp.de/ Herford, Germany \\\\\\\\\\\\\\\\\\\\\\\\\\ (52.0N/8.5E) GPG Fingerprint: 2E 13 20 22 9A 3F 63 7F 67 6F E9 B1 A8 36 A4 61 > > p.s. I'll try the speedup option... > [quoted text clipped - 5 lines] > 384MB SD-RAM (PC-133) > Windows 98SE (just explorer and systray running) I got 40-60 on XP1700@2200, same GF4MX but 512mb DDR on WinXP SP1. Some problems during the start (20fps) but never under 40 later on. SignatureNever underestimate the power of stupid people in large groups. ICQ: 138579247 > Does anyone else have framerate problems online with LFS? Offline with 8 > cars, my framerates are acceptable (30 - 50) but last night I tried to > venture online and had framerates in the teens, and it was unplayable. I am > on a dialup modem and had pings in the range of 200, if that matters. Turn off the trees and flags, reduce your resolution; try 800x600 if you were using 1024x768. > Stephen > Turn off the trees and flags, reduce your resolution; > try 800x600 if you were using 1024x768. That's a good point. First thing to try to rule out is a local hardware issue. With the settings on minimum you can at least rule this in or out as a cause. Andrew McP > > Turn off the trees and flags, reduce your resolution; > > try 800x600 if you were using 1024x768. [quoted text clipped - 4 lines] > > Andrew McP Disagree. The first thing to rule out is a bad connection to the host. Did the guy say that his low frames happen all the time online? Or was it just a one-time deal? Bad connections do exist. They come and they go. Some connections between host and client are bad no matter the speed. But I'd have to say right off that having a 56k modem is not the way to go when racing online (and please, no references to GPL and 56k modems). No matter the game, it's always better to have a cable/dsl connection, obviously. Alanb > Disagree. The first thing to rule out is a bad > connection to the host. Well, yes. But it can be hard to identify definite issue with net stuff. You can *definitely* tell when you're machine's running LFS as quickly as physically possible. That's why I think it's a good first step. Andrew McP > > Turn off the trees and flags, reduce your resolution; > > try 800x600 if you were using 1024x768. [quoted text clipped - 4 lines] > > Andrew McP Framerate is certainly not a problem offline. I can run 1400x1050 (native resolution of my notebook) with decent framerates. If I back off to 800x600, turn off trees & flags, use a simple sky, I'm into the 70s. Stephen > If I back off to 800x600, turn off trees & flags, > use a simple sky, I'm into the 70s. But if you race online with those settings does it help at all? In your other reply you talk about justifying the cost of adsl/cable. Here in the UK I pay ?24/39euro for adsl (most ISPs are more like ?30/48e) and I was very reluctant to commit myself to the extra cost... after all, modem access did everything I really wanted for almost half the price, and I didn't *need* adsl. It felt like an unnecessary luxury. I was wrong :-) Now I couldn't live without it. It makes me shudder even to *think* about going back to modem access, even though I haven't done much online gaming at all since I got it. I'll shut up now, I probably shouldn't be tempting you. I'm sure you have far better things to spend the money on :-) Andrew McP I found that with a big field, the CPU and not the graphics card was the limiting factor with an Athlon 1Ghz CPU and Nvidia TI 4600 graphics card. There was no difference between 800x600 and 1600x1200, though adding more AI cars or a big field online slowed the car. I've now solved this by upgrading the m/board to a P4 3Ghz with 1GB with dual channel DDR 400 RAM, and I'm getting constant 60+ FPS with a full field of 12 cars and maxed out graphics (1600x1200x32 bit, 2 x texturing, etc.). Off the Line for the first 10 seconds slows the framerate to about 30 FPS, which is still smooth. > > Turn off the trees and flags, reduce your resolution; > > try 800x600 if you were using 1024x768. [quoted text clipped - 4 lines] > > Andrew McP What a increase!! What Motherboard/chip/ram did you get and where?? My Gateway GHz laptop is about double the frame rate of my GHZ with T4 4200 home built computer. I guess it is time for an upgrade. Bob > I found that with a big field, the CPU and not the graphics card was the > limiting factor with an Athlon 1Ghz CPU and Nvidia TI 4600 graphics card. [quoted text clipped - 15 lines] > > > > Andrew McP Correction!!! The laptop is 2Ghz, and the Desktop is 1Ghz. So even thou the desktop has a much better video card, the laptop is twice as fast which confirms that a fast CPU is the key to good frame rates. Bob > What a increase!! What Motherboard/chip/ram did you get and where?? > My Gateway GHz laptop is about double the frame rate of my GHZ [quoted text clipped - 23 lines] > > > > > > Andrew McP ok.. Specs of upgrade are as follows: Gigabyte 8KNXP M/board (P875 Chipset) supporting Dual Channel DDR RAM. 2 x Kingston HyperX PC3500 (DDR 434) double sided DIMMS Intel P4 3.0c 800Mhz FSB CPU Subzero4G peltier CPU cooler FWIW, I'm also running 3x Seagate Cheetah 15KRPM 18GB HDs running RAID0, connected to an Adaptec Dual Channel Ultra 160 SCSI RAID Controller with 128MB writeback cache. Believe it not I found the HDs and Adaptec controller in server that a company had thrown out into a skip. So.. LFS loads pretty quickly as well :-) Cheers, Tim > What a increase!! What Motherboard/chip/ram did you get and where?? > My Gateway GHz laptop is about double the frame rate of my GHZ [quoted text clipped - 23 lines] > > > > > > Andrew McP Wow, no wonder you are getting such high frame rates. I want to upgrade, but that appears way over my head. In round about numbers, what did that upgrade cost?? Thanks, Bob > ok.. Specs of upgrade are as follows: > [quoted text clipped - 49 lines] > > > > > > > > Andrew McP |
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