1.6.11 problem

[mtkarimi]

without xthread disabled:
Generated in 0.2750680 seconds (86.89% PHP / 13.11% MySQL)
SQL Queries: 271 / Global Parsing Time: 0.1427610 / Memory Usage: 54.75 MB
PHP version: 5.2.17 / Server Load: ناشناس / GZip Compression: Enabled
[advanced details]

with xthread enabled:

Generated in 0.3348479 seconds (92.96% PHP / 7.04% MySQL)
SQL Queries: 272 / Global Parsing Time: 0.1147749 / Memory Usage: 93.25 MB
PHP version: 5.2.17 / Server Load: ناشناس / GZip Compression: Enabled
[advanced details]