On Mar 7, 2010, at 20:36 , Oliver Jowett wrote:
Benchmarking benchmarks.GoogleSpeed$SpeedMessage1 with file
google_message1.dat
Deserialize from byte string: 17471413 iterations in 30.074s;
126.3199MB/s
Deserialize from byte array: 17389320 iterations in 30.009s;
125.99868MB/s
Deserialize from memory stream: 5050944 iterations in 29.372s;
37.391594MB/s
I wonder what's happening in the first memory stream case to make it
3x slower than everything else?
I just dug up some results from the last time I was playing with
ProtoBench, and I got the results being slower, but not 3X. This was
on Linux, on a recent Intel Core i7 Xeon (Nehalem architecture), with
SpeedMessage1:
Deserialize from byte string: 25450873 iterations in 30.007s;
184.42299MB/s
Deserialize from byte array: 25368774 iterations in 29.745s;
185.44727MB/s
Deserialize from memory stream: 15248317 iterations in 29.285s;
113.21699MB/s
Evan
--
Evan Jones
http://evanjones.ca/
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