Due to a problem in the Intel® FPGA SDK for OpenCL™ version 18.1 and later, you may get bad performance when you compile the same vector_add example design code. The performance is as follows.
Intel® FPGA SDK for OpenCL™ version |
Performance |
V16.1 V18.0 V18.1 V19.1 |
~3ms ~3ms ~170ms ~170ms |