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Expanded GPU section

This commit is contained in:
worktycho 2014-06-06 14:02:54 +01:00
parent 2ed2f20a31
commit 702571024c

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@ -404,6 +404,7 @@ and use the layout corresponding to the threshold:</p>
<p>Much of the terain genertion consists of doing the same thing for every single column or block in a chunk. This <p>Much of the terain genertion consists of doing the same thing for every single column or block in a chunk. This
sort of computation is much faster on a GPU as GPUs are massively parallel. High end GPUs can execute up to 30,000 sort of computation is much faster on a GPU as GPUs are massively parallel. High end GPUs can execute up to 30,000
threads simultaneously, which would allow them to generate every block in half a chunk in parallel or every column threads simultaneously, which would allow them to generate every block in half a chunk in parallel or every column
in over 100 chunks in parallel.</p> in over 100 chunks in parallel. A naive comparison suggests a 800MHz a GPU with 15,000 threads can execute parallel
code 250 times faster than a 3GHz CPU with 128 bit SIMD. Obviously we want to harness that power.</p>
</body> </body>
</html> </html>