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- Nov 26, 2012
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nitro912gr wrote:
TomG wrote:
Βάλε τα gameworks και τα physx στο παιχνίδι σου αλλά έχε την επιλογή να τα απενεργοποιήσεις η τουλάχιστον φτιάξτα έτσι ούτως ώστε να μην έχει τόσο τρελό impact στην απόδοση. Ένα σεβαστό ποσοστό χρησιμοποιεί AMD κάρτες και με αυτό η εταιρεία χάνει δυνητικούς πελάτες προφανώς.
Ναι μπίζνα είναι, ψάχνει το μονοπώλιο της και καλά κάνει αλλά δεν δικαιολογεί με τίποτα τους devs που έγραψαν κανονικά τους AMD χρήστες. Επίσης από που προκύπτει ότι η AMD είπε όχι; Source;</blockquote>
http://kotaku.com/project-cars-benchmarked-brutal-weather-conditions-1703580365
<blockquote>Coincidentally, Project CARS is plastered with Nvidia logos in-game. Initial reaction from gamers was to lash out at Slightly Mad, claiming they were paid off by Nvidia to deliberately gimp the performance of AMD hardware. Slightly Mad Studios boss Ian Bell fired back with this…
“We’ve provided AMD with 20 keys for game testing as they work on the driver side. But you only have to look at the lesser hardware in the consoles to see how optimized we are on AMD based chips”.</blockquote></blockquote>
Αυτά ειναι παλιά νεα. Στην αρχή ισχυρίστηκαν πως η AMD δεν ασχοληθηκε με την πάρτη τους, μετά αποκαλύφθηκε πως ήδη απο τον Οκτωβρη του 2013 οι κόκκινοι ειχαν κάνει επαφή.
Looking through company mails the last I can see they (AMD) talked to us was October of last year. I'm holding an internal investigation now as I'm seriously pissed at this allegation.
Categorically, Nvidia have not paid us a penny. They have though been very forthcoming with support and co-marketing work at their instigation.
Edit - More info below. Lot's of communications with them around March and more yesterday.
Gains that were made with an earlier driver they released were lost in a later release. Our internal analysis shows only very marginal gains available from our side (around 1%) with an excessive amount of work.
We've had emails back and forth with them yesterday also. I reiterate that this is mainly a driver issue but we'll obviously do anything we can from our side."
Some great gains we saw from an earlier driver they released have been lost in a later driver they released. So I'd say driver is where we start.
Again, if there's anything we can do we will.
I've now conducted my mini investigation and have seen lots of correspondence between AMD and ourselves as late as March and again yesterday.
The software render person says that AMD drivers create too much of a load on the CPU.<b> The PhysX runs on the CPU in this game for AMD users</b>. The PhysX makes 600 calculations per second on the CPU. Basically the AMD drivers + PhysX running at 600 calculations per second is killing performance in the game. The person responsible for it is freaking awesome. So I'm not angry. But this is the current workaround without all the sensationalism.
The best advice I can give while we work with AMD is to reduce settings which influence CPU load. Specifically in this order:
Shadow Detail -> Medium
Reflections -> Medium
Environment Map-> Medium
Car Detail -> Medium or High
Tελικά ισως το προβλημα να ειναι οντως οτι το Physx ειναι ενσωματωμενο στα settings χωρις δυνατοτητα απενεργοποιησης. Και επειδη η nvidia απαγορευει αλλες καρτες εκτος απο τις δικιες της να το τρεχουν, τοτε αυτό πεφτει πανω στην CPU και σκοτωνει το framerate. Αν ειναι αληθεια τοτε ειναι για μουντζες.