Archive for 3G vs 2G

To VBO or not to VBO ?

Posted in Uncategorized with tags , , , , , , , , on August 2, 2010 by bersaelor

As I mentioned in the last post, a friend lend me an iPod 3G to test its hardware. I already compared CPU for its performance in filling the interleaved vertex array.

Now I’m going to have a look at the GPU, specifically the advantages of using Vertex Buffer Objects on the new PowerVR SGX chip.

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vDSP on iPod 3G, ARM11

Posted in Uncategorized with tags , , , , , , on July 26, 2010 by bersaelor

Thanks to the generous creator of Bowmaster, I now have an iPod Touch 3G at my disposal to test the hardware for one week.

Here I’m gonna start to compare the interleaved-array fillrate using sequential loops vs. the performance of vectorized operations with vDSP. I did this for my iPod 2G in another post.

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