SINGLE-STAGE ARBITER/SCHEDULER FOR A MEMORY SYSTEM COMPRISING A VOLATILE MEMORY AND A SHARED CACHE

Systems, methods, and computer programs are disclosed for scheduling memory transactions. An embodiment of a method comprises determining future memory state data of a dynamic random access memory (DRAM) for a predetermined number of future clock cycles. The DRAM is electrically coupled to a system...

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Bibliographische Detailangaben
1. Verfasser:	ALAVOINE OLIVIER
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INFORMATION STORAGE PHYSICS STATIC STORES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	Systems, methods, and computer programs are disclosed for scheduling memory transactions. An embodiment of a method comprises determining future memory state data of a dynamic random access memory (DRAM) for a predetermined number of future clock cycles. The DRAM is electrically coupled to a system on chip (SoC). Based on the future memory state data, one of a plurality of pending memory transactions is selected that speculatively optimizes DRAM efficiency. The selected memory transaction is sent to a shared cache controller. If the selected memory transaction results in a cache miss, the selected memory transaction is sent to a DRAM controller.