Abstract: The present application is directed to carbon materials comprising an optimized pore structure. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors. Methods for making the disclosed carbon materials are also disclosed.

Abstract: A distributed storage system stores a storage volume as a primary replica and secondary replicas on one or more servers. Data is written in an append-only scheme and all write requests are completed for the primary and secondary replicas. Read requests are processed by the primary replicas. Compaction for the primary replica is performed only if no secondary replicas (or a minimum number) are being compacted and a server storing the primary replica is not currently compacting another replica. The primary replica is demoted to secondary prior to compaction and a secondary replica is promoted to primary. Compaction of the primary replica is also conditioned on bandwidth conditions being met on the server storing it. Secondary replicas are compacted only if no other secondary replicas are being compacted. Replicas are selected as eligible for compaction based on a number of updates to the replica meeting a threshold condition.

Abstract: The present application is directed to carbon materials comprising an optimized pore structure. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors. Methods for making the disclosed carbon materials are also disclosed.

Abstract: The present application is directed to carbon materials comprising an optimized pore structure. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors. Methods for making the disclosed carbon materials are also disclosed.

Abstract: Apparatuses, systems, methods, and computer program products are provided for error correction. A soft read module is configured to obtain soft read information for a cell of a non-volatile memory medium. The soft read information may indicate a likelihood that a data value for the cell is correct. A reliability module is configured to associate the cell with a log-likelihood ratio (LLR) mapping from a plurality of LLR mappings based on one or more reliability characteristics for a set of cells that includes the cell. An LLR map module is configured to determine an LLR value based on the soft read information by using the LLR mapping.

Abstract: Apparatuses, methods, and computer program products are disclosed for determining read thresholds for a non-volatile memory device. A method includes obtaining soft read data for a storage cell of a non-volatile storage medium. A method includes determining a read voltage threshold or other configuration parameter for a storage cell based on soft read data. A method includes using a determined read voltage threshold or other configuration parameter to read data from a storage cell.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for error correction. A soft read module is configured to obtain soft read information for a cell of a non-volatile memory medium. The soft read information may indicate a likelihood that a data value for the cell is correct. A reliability module is configured to associate the cell with a log-likelihood ratio (LLR) mapping from a plurality of LLR mappings based on one or more reliability characteristics for a set of cells that includes the cell. An LLR map module is configured to determine an LLR value based on the soft read information by using the LLR mapping.

Abstract: The present application is directed to carbon materials comprising an optimized pore structure. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors. Methods for making the disclosed carbon materials are also disclosed.