Mark Cerny at Gamelab, "Road to the PS4" VIDEO NOW AVAILABLE

manny10032

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manny10032 on 27 June 2013

Wow I love how he basically said the Cell was a bad idea. PlayStation is on a redemption tour. You definitely get a PS2 feel this time around

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ethomaz on 27 June 2013

LemonSlice said:

Wright said:

Heh, need something translated? I haven't checked the video because I'm doing some things, but ask me if you don't get anything.

Nah, it was just the introduction.

The work 'metrosexual' was definitely mentioned though lol

The guy did a joke that Cerny looks like the metrosexual David Beckham.

PS. I watched the livestream sleepy... that's what I remember but I'm not sure if that extacly what he said but it is close... I need to check the video again.

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ethomaz on 27 June 2013

drkohler said:

This is basically a small stab at Microsoft engineering, Cerny also mentioned that at E3. PS4 went the "lots of unified ultrafast gddr5 path", XBox One went the "Lots of good ddr3 ram and a fast cache" path. Both paths will give you the same results, essentially, IF the cache is large and very fast. XBox One cache is NOT very fast, this is where Cerny would have designed a really fast cache instead, had he gone the XBox One path.

And he said Sony tried this other config before go to 256bits@176GB/s... in the Cerny test the result was not good enough, so they prefer the full 176GB/s bandwidth.

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ethomaz on 27 June 2013

theprof00 said:

Which one is in the ps4, left or right?

Also, what's the picture about "time to triangle"

Both...

The right was the PS4 at project/design time... and the left is the best and final result they archived.

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ethomaz on 27 June 2013

LemonSlice said:

drkohler said:

theprof00 said:

Which one is in the ps4, left or right?

Also, what's the picture about "time to triangle"

On the left is the PS4 as it turned out, on the right is an alternate PS4 as it could have been designed. Notice on the right, the gpu memory throughput would have been much. much higher had they taken that road. Unfortunately, the downside would have been only 8 chips on a 128bit bus (in clamshell mode, so a max of 4G ram), and the programmer's mess of actually using a small cache to its maximum (the mess XBox One programmers have to overcome).
"Time to triangle" is an expression from Project Managment. In every project, you are given a wad of cash, a timeline and a scope of what to do. Considers those restrictions the sides of a triangle, and your project sits within the triangle, with some room to move around (got less time? -> use more money/less features) . Basically in the graph, it means the time from starting a "Lets make a game" project to getting a running build (not a finished product!)

Time to triangle refers to the polygon. More specifically how much time it takes until your graphics engine can render the amount of polygons appropriate to capabilities of a given hardware.

In this case is more like @drkohler... it's time to make the engine run in the hardware... it means how much time of programing in GPU (so the triangles) you need to make your game run the first time.