Forum Discussion
elias94
New Contributor
4 years agolow occupancy of the DDR in HAN Pilot platform with opencl
I have a simple vectorized code with just 4 reads and 4 writes in the DDR with a clock frequency of 360 MHZ and i only achieve 10.6% occupancy for the read with a bandwidth of 612MB/s and the same f...
BoonBengT_Altera
Moderator
4 years agoHi @elias94,
Thank you for posting in Intel community forum and hope all is well.
My guess is that some operation/load are not regularly accessed by the work item.
Would suggest to use the profiler to check if there a stall and how is the occupancy doing for your code.
Guide to achieve and explanation of no stalling and high occupancy can be found below:
- https://www.intel.com/content/www/us/en/docs/programmable/683521/22-1/low-occupancy-percentage.html
Hope that clear some doubts.
Best Wishes
BB