电子学报
電子學報
전자학보
ACTA ELECTRONICA SINICA
2014年
11期
2310-2313
,共4页
多核芯片%硅后调试%并发追踪%多缓存选址%片上网络
多覈芯片%硅後調試%併髮追蹤%多緩存選阯%片上網絡
다핵심편%규후조시%병발추종%다완존선지%편상망락
multi-core chip%post-silicon debug%concurrent trace%multi-buffer location selection%network-on-chip
为了验证多核芯片的正确性,通常需要同时观测不同芯核上的多组信号。如何实时处理并发追踪中多组数据流已经成为多核芯片硅后功能验证所面临的关键挑战之一。本文提出了一种基于映射的自调节缓存选址(M ap-Based Self-Regulation Location Selection ,MSLS)算法,该算法通过优化多缓存选址,在片上网络通信带宽限制下保证了并发追踪数据流能够实时存储,同时降低了追踪数据流传输能耗。实验结果表明了该方法的有效性。
為瞭驗證多覈芯片的正確性,通常需要同時觀測不同芯覈上的多組信號。如何實時處理併髮追蹤中多組數據流已經成為多覈芯片硅後功能驗證所麵臨的關鍵挑戰之一。本文提齣瞭一種基于映射的自調節緩存選阯(M ap-Based Self-Regulation Location Selection ,MSLS)算法,該算法通過優化多緩存選阯,在片上網絡通信帶寬限製下保證瞭併髮追蹤數據流能夠實時存儲,同時降低瞭追蹤數據流傳輸能耗。實驗結果錶明瞭該方法的有效性。
위료험증다핵심편적정학성,통상수요동시관측불동심핵상적다조신호。여하실시처리병발추종중다조수거류이경성위다핵심편규후공능험증소면림적관건도전지일。본문제출료일충기우영사적자조절완존선지(M ap-Based Self-Regulation Location Selection ,MSLS)산법,해산법통과우화다완존선지,재편상망락통신대관한제하보증료병발추종수거류능구실시존저,동시강저료추종수거류전수능모。실험결과표명료해방법적유효성。
With the development of multi-core processors ,it becomes a key problem to transmit concurrent trace data simul-taneously to on-chip buffer under bandwidth constraint .To deal with the problem ,we propose a Map-based Self-regulation Location Selection (MSLS) algorithm .This algorithm locates multiple trace buffers in interconnection fabrics under the bandwidth constraint , and reduces the average distance between trace sources and trace buffers .Experimental results show our algorithm can achieve high efficiency for post-silicon debug .