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UID:submissions.supercomputing.org_SC21_sess179_pap247@linklings.com
SUMMARY:CAKE: Matrix Multiplication Using Constant-Bandwidth Blocks
DESCRIPTION:Paper\n\nCAKE: Matrix Multiplication Using Constant-Bandwidth 
 Blocks\n\nKung, Natesh, Sabot\n\nWe offer a novel approach to matrix-matri
 x multiplication computation on computing platforms with memory hierarchie
 s. Constant-bandwidth (CB) blocks improve computation throughput for archi
 tectures limited by external memory bandwidth. Configuring the shape and s
 ize of CB blocks operating from within any memory hierarchy level (e.g., i
 nternal SRAM), we achieve high throughput while holding external bandwidth
  (e.g., with DRAM) constant. We explain how, surprisingly, CB blocks can m
 aintain constant external bandwidth as computation throughput increases. A
 nalogous to partitioning a cake into pieces, we dub our CB-partitioned sys
 tem CAKE.\n\nWe show CAKE outperforms state-of-the-art libraries in comput
 ation time on real-world systems where external bandwidth represents a bot
 tleneck, demonstrating CAKE's ability to address the memory wall. CAKE ach
 ieves superior performance by directly using theoretically optimal CB-part
 itioned blocks in tiling and scheduling, obviating the need for extensive 
 design search.\n\nTag: Reproducibility Badge, Algorithms, Parallel Program
 ming Systems\n\nRegistration Category: Tech Program Reg Pass\n\nReproducib
 ility Badges: Artifact Available, Artifact Functional, Results Reproduced
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