# SIGMA: A Sparse and Irregular GEMM Accelerator with Flexible Interconnects for DNN Training

> Research article (2020 IEEE International Symposium on High Performance Computer Architecture (HPCA), 2020) · cited 456× · AI/ML

**Wikidata**: [openalex:W3016542674](https://www.wikidata.org/wiki/openalex:W3016542674)  
**Source**: https://4ort.xyz/entity/sigma-a-sparse-and-irregular-gemm-accelerator-with-flexible-interconnects-for-dnn-training