Building Blocks for 64-bit AMD Opteron Clusters - Linux Clusters ...
Building Blocks for 64-bit AMD Opteron Clusters - Linux Clusters ...
Building Blocks for 64-bit AMD Opteron Clusters - Linux Clusters ...
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32-<strong>bit</strong> vs <strong>64</strong>-<strong>bit</strong> App Per<strong>for</strong>mance<br />
80.00%<br />
60.00%<br />
32-<strong>bit</strong> App compiled using GCC 3.2 <strong>for</strong> x86<br />
<strong>64</strong>-<strong>bit</strong> App compiled using GCC 3.3 <strong>for</strong> <strong>AMD</strong><strong>64</strong><br />
All run-times measured on SLES8 For <strong>AMD</strong><strong>64</strong> RC7<br />
% Speed-Up <strong>for</strong> 32-<strong>bit</strong> App Ported to <strong>64</strong>-<strong>bit</strong><br />
40.00%<br />
20.00%<br />
0.00%<br />
-20.00%<br />
Rolled-Single<br />
Unrolled-Single<br />
Rolled-Double<br />
Unrolled-Double<br />
Copy<br />
Scale<br />
Add<br />
Stream<br />
Triad<br />
NUMERIC_SORT<br />
STRING_SORT<br />
BITFIELD<br />
FP_EMUL<br />
ASSIGN<br />
IDEA<br />
HUFFMAN<br />
LU_DECOMP<br />
-40.00%<br />
Linpack<br />
BYTEmark (tm) ver. 2<br />
-60.00%<br />
Measured on <strong>AMD</strong> <strong>Opteron</strong> Model 144 (1.8GHz, 1MB L2, 128-<strong>bit</strong> Memory Controller, DDR-333, CL 2.5, 512MB)<br />
46
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