Hardware Performance Counters and Code Performance improvements: Success Stories

Here we collect Success Stories of bottlenecks identified using Performance Hardware counters and solved properly improving the code

to plot the location of the latency critical event I run

 
~/pmu-tools/ocperf.py record -e resource_stalls.any -e rs_events.empty_cycles -e uops_executed.stall_cycles -e branch-misses -e offcore_requests_outstanding.demand_data_rd_ge_6 cmsRun doTkReco.py >
 

-- VincenzoInnocente - 2016-02-02

• Top functions where occur:
  

* code with the highest number of: