pydata/pandas — pull request #3537 by jreback (2013-05-06 22:38:17+00:00)
Title: PERF: HDFStore table writing performance improvements

PERF: hdf performance by doing recarray translation in cython

```
-------------------------------------------------------------------------------
Test name | head[ms] | base[ms] | ratio |
-------------------------------------------------------------------------------
write_store_table_wide | 98.8456 | 119.1807 | 0.8294 |
write_store_table_mixed | 118.5397 | 142.6097 | 0.8312 |
write_store_table_dc | 150.1463 | 180.0810 | 0.8338 |
write_store_table | 64.7917 | 73.4500 | 0.8821 |
write_store_table_panel | 90.0703 | 87.7950 | 1.0259 |
-------------------------------------------------------------------------------
Test name | head[ms] | base[ms] | ratio |
-------------------------------------------------------------------------------

Ratio < 1.0 means the target commit is faster then the baseline.
Seed used: 1234

Target [edfd277] : PERF: HDFStore append optimize
Base [c5c3da7] : BUG: Fixed bug in mixed frame assignment with aligned series (GH3492)

```