Performance

Carver

• Tester: Ben Gamari
• Test date: 14 Jul 2010
• Commit: e3e4ffafd158abd004c483694a27f4f6bc7d2185
• Hardware:
• CUDA version 3.0

Kernel	Configuration	Bandwidth	FLOPs
Dslash_cuda	Dslash (24^4)	73 GB/s	32 GFLOP/s
	hopping (24^4)	74 GB/s	34 GFLOP/s
Dslash_multi_gpu (double)	1 node, 24^4 Dslash	79 GB/s	35 GFLOP/s
	2 nodes, 24^4 Dslash	145 GB/s	64 GFLOP/s
	4 nodes, 24^4 Dslash	256 GB/s	114 GFLOP/s
Dslash_multi_gpu (double)	1 node, 24^4 Dslash	79 GB/s	76 GFLOP/s
	2 nodes, 24^4 Dslash	156 GB/s	140 GFLOP/s
	4 nodes, 24^4 Dslash	283 GB/s	252 GFLOP/s
Vector utilities	Addition	82 GB/s	3.4 GFLOP/s
	Dot product	88 GB/s	N/A
	Copy	84 GB/s	N/A