Description of problem:

Analysis works extremely slow on Windows, an hour or more instead of 4-5 minutes like on Linux/Mac

Version-Release number of selected component (if applicable):

7.1.0 GA

How reproducible:

100% 

Steps to Reproduce:
1. Run analysis on Windows
2. Run same analysis on Linux
3. Compare time till run will finish

Actual results:

Analysis on Windows takes ~x10 time longer

Expected results:

Analysis on Windows should take reasonable time compareble with other platforms.

Additional info: