Konda Technologies publishes two papers @ 27th ACM/SIGDA International Symposium on Field-Programmable Gate Arrays, February 24-26, 2019, Seaside, CA Hierarchical FPGA Fabrics using 2D-Benes-BFT-Pyramid Network Layouts with Optimizations Flat FPGA Fabrics Derived from 2D-Benes-BFT-Pyramid Networks with Optimizations and Enhancements