Intel Hyperthreading benefits on MySQL 5.5.10+

Should i disable HyperThreading on an Intel Xeon 8-core CPU or leave it on?
On older versions of MySQL i read that it should be disabled but with
the never versions MySQL is said to handle multiple cores/CPUs better
but i cant find anything on HT to be beneficial or not.

MySQL 5.5.10+, 24GB DDR 3 RAM, 6 * SSD RAID-10 on Adaptec card, Linux 2.6.



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