barfatchen questions

• Link error undefined reference to `dgels_' in Lapack
• How to force cpu core to flush store buffer in c?
• epoll with edge triggered event
• unordered_multimap different behavior in gnu++11 and c++0x
• _mm_pause usage in gcc on Intel
• sched_setaffinity cpu affinity in linux
• tickless kernel , isolcpus,nohz_full,and rcu_nocbs
• how to interpret perf iTLB-loads,iTLB-load-misses

barfatchen answers