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IL-2 Sturmovik: Cliffs of Dover Latest instalment in the acclaimed IL-2 Sturmovik series from award-winning developer Maddox Games.

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  #1  
Old 09-09-2011, 07:58 AM
Tavingon Tavingon is offline
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My game runs smooth, but when I shoot up enemy planes and they start to shatter and burst into flames the game lags like hell
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Old 09-09-2011, 12:20 PM
Ze-Jamz Ze-Jamz is offline
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Originally Posted by Tavingon View Post
My game runs smooth, but when I shoot up enemy planes and they start to shatter and burst into flames the game lags like hell
+1

Any types of explosions now i get this lag and massive FPS hit....NOT GOOD

Blimey that with the Spit2 on nearly every server is starting to ruin my game, also the more I play this patch the more that Sun haze is starting to annoy me too..maybe just a tad too bright?
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Old 09-09-2011, 09:32 AM
SPUDLEY1977 SPUDLEY1977 is offline
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Hi Mazex, over several diff PC builds and related evaluations I concluded that with a duo core CPU wherein even when it did NOT show full CPU utilization a simple drop in of a quad core resulted in significant FPS increases and noticeable smoother gameplay for the IL-2 series.

Based on your data, your CPU was limiting despite the fact that you were not showing 90-100 core utilization. I suspect it has something to do with the architecture of the old DUO Cores. The 60% utilizations with spikes into the 70's apparently was in fact a bottleneck. I have experienced this on various PC builds for my personal use as well as paying customers.

Stepping from 275 to the 580/570 is also a huge step in throughput capacity - assuming you are not limitd by a duo core CPU. For example, if you dropped your 275 in your current rig, I would bet you a NEW SET OF TEETH that your FPS, fluidity, and pleasure will drop through the toilet. THEN you would be calling me to unclog with some new PC giblets. Try it please sir - just to confirm as many others are likely to find the results/conclusion useful, and that is how our community adds value to these forum posting/rants.

As a side note I bet this current version is not really the new engine they have been working on, it plays like the old engine with modified textures and other bits. Even some of the odd interactions between objects can be seen in CLOD as they were in the groundbreaking Orig Series.

Last edited by SPUDLEY1977; 09-09-2011 at 09:37 AM.
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Old 09-09-2011, 12:39 PM
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mazex mazex is offline
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Originally Posted by SPUDLEY1977 View Post

Stepping from 275 to the 580/570 is also a huge step in throughput capacity - assuming you are not limitd by a duo core CPU. For example, if you dropped your 275 in your current rig, I would bet you a NEW SET OF TEETH that your FPS, fluidity, and pleasure will drop through the toilet. THEN you would be calling me to unclog with some new PC giblets. Try it please sir - just to confirm as many others are likely to find the results/conclusion useful, and that is how our community adds value to these forum posting/rants.
So true, testing the new rig with my old GPU is naturally what is missing from my tests, the problem was that at that stage my oldest son had inherited the old Core 2 duo / GTX275 rig and he was not interested in me ripping the GPU for some tests, and another patch was out by then so I would have to redo the previous three tests too I am very sure that the old GTX275 in the new rig would get seriously bottle necked by the GPU, but I was a bit surprised that the old rig benefitted almost nothing from the new GTX580... As you say I'm pretty sure that the old Core 2 duo architecture is the problem. I had a LOT of problems in RoF with the C2duo with bad stuttering (the problem only seems to happen in Windows 7 x64 though, it worked fine in XP32)...

Will have to do the test....
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Old 09-10-2011, 10:14 AM
Fall_Pink? Fall_Pink? is offline
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I noticed there a extra dll's loaded now with this patch. What about if you disable the extra dll's?

<value>...parts\core\fmodex.dll;parts\core\fmod_ev ent.dll</value>

Any difference?

Rgs,
FP
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Old 09-10-2011, 03:11 PM
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ACE-OF-ACES ACE-OF-ACES is offline
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Quote:
Originally Posted by SPUDLEY1977 View Post
Hi all, based on recorded FPS over the Black Death Track here are the graphs.

1920 x 1080
Q9550 GTX 570 Win7 64 4G DDR2
no OC'ing, all stock.

Both tracks were synced up over a total of 226 seconds of recorded FPS during the Black Death. Over this period the AVERAGE FPS prepatch was 31 and post beta it was 24 for a delta of 7.

Particularly interesting is that for the first 1/2 of the time the FPS hit between 5 and 10 FPS, but over the remainder there are large sections where for extended periods the decrease in FPS swings in large blocks from 10 to 20 and 30 FPS.

This pattern in many regards matched online MultiPlayer. In game the new Beta is noticeably less smooth, and based on our comparisons last night we noticed the new: sounds, explosive effects, tracer, beaches, water color and waves, sun blinding, loss of clicks in cockpits, the more subtle in cockpit shadows, excessive fog in all depths of atmosphere, fog painted over all ground textures ( like spilled milk) even at close up.
Terrain textures appear a bit hazed out / blurry.

Both versions have components that beg attention. But overall the FPS drop IS noticeable, the fog is way too permissive and painted on EVERYTHING, the sound is a large step in the right direction but it needs proper Mixing and has some obvious shortcomings.

So there you have it an objective analysis of the FPS impact. I have others but now I just want to fly after a long stressful day at the Programmer Ivory Towers (The PIT).

Nice Work!

I wish all FPS video testing presented here was done this well!
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