SSD halves GT5 loading times
Solid state tech gets you racing faster.
Installing an SSD flash drive to your PlayStation 3 can radically cut down the loading times in Polyphony Digital's PS3 magnum opus, Gran Turismo 5.
Testing by "Phil" on the Beyond3D forum reveals that in many cases pre-race loading is cut by more than 50 per cent, making the lengthy wait between events that much more tolerable. In all test cases within GT5, there is a considerable improvement.
The experiments were performed on two PS3s - the SSD (a state-of-the-art Corsair F120) was installed into a standard "fat" PlayStation 3, while the hard drive measurements were carried out on a stock PS3 Slim. The improvements in loading performance are somewhat significant, as Phil's results reveal.
| Test | Corsair F120 SSD | PlayStation 3 Slim HDD |
|---|---|---|
| GT5 Initial Loading | 29 seconds | 55 seconds |
| Loading London (Zonda R) | 19.26 seconds | 39.47 seconds |
| Loading Cape Ring (Zonda R) | 20.03 seconds | 40.71 seconds |
| Loading Nürburgring GP/F (Zonda R) | 25.12 seconds | 46.45 seconds |
| Loading Suzuka (Zonda R) | 21.73 seconds | 43.82 seconds |
| Loading Chamonix Main (Ford RS WRC) | 21.25 seconds | 31.09 seconds |
Other testing seems to corroborate the results and suggests that an SSD cuts down the 42-minute install to 25 minutes, and hints at smoother performance in the menu system too - which would make sense since so much data is cached to the drive.
We've carried out our own SSD testing in the past (with a first-generation 128GB Samsung SSD) and found that while game install times were undoubtedly improved, the actual impact of the SSD during gameplay was limited: a few seconds saved here and there, but nothing really to write home about, and certainly nothing to warrant the excessive price of an SSD up against a traditional mechanical drive.
The case of Gran Turismo 5 is intriguing, however. The game only installs an initial 6.5GB of data to the hard drive, but this takes a suprisingly long 42 minutes on a launch 60GB PS3. As we mentioned in the GT5 installation analysis feature, the reason behind this is fairly straightforward - the game is de-archiving an inordinately large amount of tiny files and dumping them onto the hard drive (having a debug test unit allows us to peek at the drive contents fairly easily). While installing, each new file will require an update to the drive's table of contents and with each new file, the head on the hard drive will be moved. To give you some idea of the make-up of the HDD install of GT5, in one folder entitled "PDIPFS" we found in excess of 15,800 items, while in a second "PDIPFS_bdmark" folder, we found another, similarly colossal number of items.
SSDs are blazingly fast (to the point where installing an SSD into a laptop is probably the single most impressive tech upgrade you can make to one) but the headline sustained read and write speeds - often in excess of 200MB per second - aren't really relevant to either everyday computing or indeed running GT5. More important is that crucial lack of mechanical heads zooming around the surface of the disk, looking for the next file to load. Moving from file to file is virtually instantaneous. Combine that with the faster-than-HDD reading times and that's most likely the major reason why GT5's loading is so radically improved. As a bonus, the process of additional dynamic installation after the original 6.5GB install should also be considerably faster.
In a world where PS3-compatible 2.5" laptop drives are dropping in price like a stone, the notion of spending around £200 for a 120GB SSD remains pretty ridiculous, but the tests do highlight how important seek times are, and if you're thinking of upgrading your PS3 hard disk, this is well worth factoring into a potential purchasing decision.
The experiments also show that flash memory - also dropping in price all the time - may have an important part to play in the make-up of a potential next-generation console, perhaps working in concert with a traditional mechanical drive.
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Comments (52) Latest comment 1 year ago
Comments for this article are now closed, but please feel free to continue chatting on the forum!
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Quite an interesting article and something to keep in mind for the future if the prices keep dropping.
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Seriously....
I have an SSD in my PC and it is incredibly fast... but putting this in a console? Maybe next gen.
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PC gets it first though.
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Just a shame it only has 512MB of it ...
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I know that the PS3 will never maxout the sata 6gb interface, but 20 Minutes GT5 installation speak for themself
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(I have no idea about a USB stick's performance vs an SSD's, please please bear with me)
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[link url=http://www.eurogamer.net/articles/xbox-360-storage-update-the-flash-factor-article
]http://www.eurogamer.net/articles/xbox-3...[/link]
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Hopefully SSD's will be cheap enough to be standard in the next generation.
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So until SSD becomes more widespread and thus cheaper, I m hoping that next gen WONT get going until way after the watershed moment.
So 2012 onwards.
Other thing about SSD is its much so lighter.
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What I hope is manufacturers follow the example of Sony and let you install standard storage drives - that way the consumer can decide personally if the faster loading is worth the increased cost.
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Its a bit bloody obvious though that an SSD will wipe the floor with a standard SATA drive though...
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While this is an interesting experiment, I certainly would not buy an SSD for a console as it would be a waste of money for the few games that benefit from it; money which would be better spent on the games themselves IMO.
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Or alternatively, sounds like somebody's an idiot.
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From experience, it's just about as long with GT5 loading times slightly worse. But only slightly. Give or take 5 seconds. GT5's already installed on the PS3 hard drive so it's quite bad compared to
Anyway, I've done tests just now. Forza 3 IS NOT installed on my hard drive. But the second disc for the additional content is installed on the hard drive. I'm using an Xbox 360 S BTW.
Loaded these maps with my car as the Audi R8 FSI 5.2 Quattro. These are the figures:
Camino Viejo de Monserrat - Full Circuit ~ 43 seconds
Amalfi Coast - Full Circuit ~ 37 seconds
New York - Full Circuit ~ 38 seconds
Circuit De La Sarthe - Full Circuit ~ 36 seconds
Loading times vary per map. I'll record the loading time for GT5 HDD installed and Forza 3 HDD installed another time. Or I might edit this post instead.
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SSD prices are getting cheaper quickly, but the trouble is they vary so wildly in performance. You need to get a top notch model with either an Intel or a SandForce controller to see much difference in a PC, never mind a console.
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Exhibit A: whrl.pl/Rcy4pM
(scroll through the thread for more benchmarks)
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The interesting fact about this article is that the morons at Polyphony Digital, knowing as they knew the real life limitations of BD drives and HDD, still chose to fill the disk with thousands of tiny files. For god's sake, any first year student in computer science knows that I/O operations with lot's of many small files will kill the performance of just about every conceivable program no matter what you do.
That's what happen when someone gets obsessed with something (cars looking look) to the point that all other considerations are left behind ("interface? loading? netcode? crashing sounds? Don't bother! The boss wants moar vertices on every bumper!!!"
Edit: Spelling.
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Also, I can sort of see where Bravestinsane is coming from with his post, if you are looking to upgrade your PS3 hdd in the first place, it's probably because you want more space...
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(cant spell)
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SSDs shine when it comes to I/O operations. Head movement does take its toll on access times but even if you can keep that to a minimum just accessing a file generates processing overhead. Reading 100 1mb files even if they are all close to each other on the hard drive takes quite a bit longer than reading a single 100mb file. The huge improvements in loading time when using a SSD points to poor file management, ie. using a lot more smaller files than less but bigger files. Even with bigger files the SSD would probably be faster but definitely not by as much as it is the case here. Of course, I cannot comment on the file structure at all - I don't know what is on the disc and I certainly don't know what Polyphony's code looks like. However, speaking out of experience I think it is quite safe to say that there certainly is potential to minimize loading times, otherwise the difference would not be that significant.
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The Momentus XT, however, is a different story. The onboard controller deals with the flash memory so you shouldn't get these issues, and it's far faster than a fully mechanical drive.
Again though, not all hybrid drives are equal so you have to be careful what you're buying. I'd love to see a benchmark of the XT in a PS3 though.
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If I had a PS3 I would put one inside it in a heartbeat, there's few things more boring than waiting for games to load; it's a shame Microsoft went down the route they did with hard drives.
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i think defragging is a windows problem, me thinks. not sure. mac partitions dont have that problem. also think linux dont need to defrag
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Well, I've got one on order, so I'll see if I can get something together. I don't have GT5 though, so it'll have to be on something else.
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GTA IV is another game that plays 2x better off flash memory. Ever try playing it off the hard drive? The road textures will go low-res while driving fast enough down a long stretch. Don't get that with the flash memory. Mass Effect 2 plays sweet too. No texture pop-in, at all...
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My understanding is that the PS3 filesystem, underneath the encryption, is more or less along the lines of Linux ext2fs, and thus an FFS-type filesystem.
That said, it's a mystery why the GT5 developers would chose to use lots and lots of small files, rather than several large files and some sort of simple "database" layer to put their various objects within them. It's well known that that would be a huge performance debuff, not to mention evident in practice for this game.
This seems to be the case with a lot of PS3 software, though. An affordable SSD would be too small for my needs (I currently have about 150 GB of stuff on my PS3 drive, and that's only going to grow), but I'm certainly going to look into a Momentus XT or similar hybrid drive when I next upgrade.
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OK, track loading times - using the Zonda R '09 each time.
London: 0:31
Nürburgring: 0:29
Time taken for the game to determine the size of installed files: 0:12.
Better than I thought they would be, actually. Cost £100 for the 500GB one.