The m1.xlarge instance fell just short of the Opteron 2384 workstation while the slower m1.large instance was just half the speed.
The Opteron 2384 workstation gained a heavier advantage over the m1.xlarge Xen-virtualized instance with the x264 video encoding.
While the Opteron carried the lead over the Amazon EC2 Extra Large instance in the x264 benchmark, with the FFmpeg benchmark this Amazon instance came out slightly faster.
The m1.xlarge instance was also slightly faster than the Opteron 2384 when it came to MP3 encoding with LAME.
There is not too much to gather from these initial results since it is just the collection of two Amazon Elastic Compute Cloud instances plus benchmarks from two independent systems, but these results are being put out to the public for reference. You can compare your hardware or virtual machines to these results with more than 40 benchmarks by running phoronix-test-suite benchmark 1012216-IV-EC2CLOUD252 if using Phoronix Test Suite 3.0 with OpenBenchmarking.org support.
As said in the introduction, benchmarks from other Linux distributions / AMIs will be forthcoming in the new year along with results from other, more powerful EC2 compute instances. We also invite your feedback on other cloud computing benchmarks you would like to see.
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