Eric Qin 0001 Ananda Samajdar Hyoukjun Kwon Vineet Nadella Sudarshan Srinivasan Dipankar Das 0002 Bharat Kaul Tushar Krishna SIGMA: A Sparse and Irregular GEMM Accelerator with Flexible Interconnects for DNN Training. 58-70 2020 HPCA https://doi.org/10.1109/HPCA47549.2020.00015 conf/hpca/2020 db/conf/hpca/hpca2020.html#QinSKNS0KK20