I ran across the following posts a little while ago:
I'ma heavy yaml consumer, so I thought I'd experiment with vanilla YAML
speed runs of the same benchmark, and then with pyyaml+libyaml, with cython
installed. What bothers me is that there's a negligible difference in
speed, even with libyaml installed, and pyyaml using the cyaml extension:
Here's the relevant numbers:
Vanilla PyYAML:
ser_yaml (6.320s) 623436 bytes
ser_yaml_compressed (6.410s) 291050 bytes
serde_yaml (18.550s)
PyYAML + libyaml:
ser_yaml (6.150s) 623488 bytes
ser_yaml_compressed (6.240s) 291175 bytes
serde_yaml (18.950s)
On the serde_yaml test, I've consistently gotten worse speeds than plain
old pyyaml. I'm wondering if you guys have any thoughts/ideas on this. I've
posted the modified benchmark code to:
http://jessenoller.com/code/test_yaml.py
FWIW, this is on a dual core OS/X box. In the morning, I'll try running it
on an available Linux machine just for sanity's sake
jesse
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