Forum Discussion

jackgreen's avatar
jackgreen
Icon for New Contributor rankNew Contributor
5 years ago
Solved

OpenCL FPGA: actual results differ from emulation results

Platform: DE10-nano soc, Intel FPGA SDK for OpenCL 18.1 I am designing a matrix multiplication kernel similar to this one: https://cnugteren.github.io/tutorial/pages/page8.html It uses 3D work i...
Compilation
Fpga Devkit
  • jackgreen's avatar
    jackgreen
    5 years ago

    I got this problem solved. The access of local memory B_sub is out of range when loading value to it. It works well when I increase the size of B_sub.

    It's strange though the emulator didn't complain any run-time error.

BoonBengT_Altera's avatar
BoonBengT_Altera
Icon for Moderator rankModerator
5 years ago

Hi @jackgreen,

Thank you for posting in Intel community forum, hope this message find you well and apologies for the delayed in response due to some technical issues from our platform.
Good to know that you managed to figure this out and sharing the finding on the community.
This thread will be transitioned to community support. If you have new queries, please feel free to open a new thread to get support from Intel experts, and we would be right with you.
Otherwise, the community users will further help you with doubts in this thread.

Best Wishes
BB