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20150624.html
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<html><head><link rel="stylesheet" href="style.css"></head><body><div class="page">
<h1>20150624 - AMD Fury X (aka Fiji) is a Beast of a GPU Compute Platform</h1>
<br>
<b>Compute Raw Specs</b>
<br>
Raw specs from wikipedia adjusted to per millisecond: comparing what the two vendors built around 600 mm^2 on 28 nm,<br>
<br>
<tt>
AMD FURY X: 8.6 GFlop/ms, 0.5 GB/ms, 0.27 GTex/ms<br>
NV TITAN X: 6.1 GFlop/ms, 0.3 GB/ms, 0.19 GTex/ms</tt><br>
<br>
Or the same numbers in operations per pixel at 1920x1080 at 60 Hz,<br>
<br>
<tt>
AMD FURY X: 69 KFlop/pix, 4.0 KB/pix, 2.2 KTex/pix<br>
NV TITAN X: 49 KFlop/pix, 2.4 KB/pix, 1.5 KTex/pix</tt><br>
<br>
<i>Think about what is possible with 69 thousand flops per pixel per frame.</i><br>
<br>
<b>HBM</b>
<br>
HBM definitely represents the future of bandwidth scaling for GPUs:
a change which brings the memory clocks down and bus width up (512 bytes wide on Fury X vs 48 bytes wide on Titan X).
This will have side effects on ideal algorithm design: ideal access granularity gets larger.
Things like random access global atomics and random access 16-byte vector load/store operations
become much less interesting (bad idea before, worse idea now).
Working in LDS with shared atomics, staying in cache, etc, becomes more rewarding.
<br>
<br>
</div></body></html>
index.html
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@@ -90,6 +90,7 @@ Below this is active random migration (400 prior posts still to filter through)
<a href="20150710.html">20150710 - Inspiration Reboot</a><br>
<a href="20150709.html">20150709 - GPU Unchained ASCII Notes</a><br>
<a href="20150630.html">20150630 - Sugar Free Peppermint Chocolate Chip Custard Ice Cream</a><br>
<a href="20150624.html">20150624 - AMD Fury X (aka Fiji) is a Beast of a GPU Compute Platform</a><br>
<a href="20150525.html">20150525 - OS Project : 7 - PS/2 and Misc</a><br>
<a href="20150522.html">20150522 - The Other Project Cleaned Up</a><br>
<a href="20150509.html">20150509 - OS Project : 6 - Hashing</a><br>