Vector Clock 2019独角兽企业重金招聘Python工程师标准>>> Vector clock是Dynamo用来解决数据一致性问题的一个算法,前提是遵循NRW理论,通过保证W+R>N保证强一致性,具体实现如下。 在写文件时,Vector Clock算法记录所有的更新版本,当读操作发生的时候返回多个版本,由客户端的业务成来解决这个版本冲突并合并各个版本。
注释翻译自:https://vlsi.pro/integrated-clock-gating-cell/
集成时钟门控单元(Integrated Clock Gating Cell) 时钟门控是一种常用的技术,通过时钟使能信号,关闭进入后续模块的时钟来降低功耗。简单的时钟门控功能只需要一个"与门”或“或门”,但往往存在问题。假设使用带时钟的与门,高电平EN边沿的到来可能与时钟边沿不一致。在这种情况下,时钟信号将会出现故障。 为了避免这种...
Clock-Gating cell contains an input logic and latch circuit, a Keeper logic/signal production circuit and an output driver. The input logic/ latch circuit generates an internal release signal on the basis of a first and a second input release signal and generates a first internal signal on ...
Clock-Gating cell contains an input logic and latch circuit, a Keeper logic/signal production circuit and an output driver. The input logic/ latch circuit generates an internal release signal on the basis of a first and a second input release signal and generates a first internal signal on the...
And integrated clock gating cell(ICG) may cause some clock skew? Unfortunately, there are many "and gate" clock gating, "or gate" clock gating, and "integrated clock gating" cell in the ASIC design. Does someone can please tell me whether have a better way to deal w...
To avoid this, a special kind of clock gating cells are used, that synchronizes the EN with a clock edge. These are call integrated clock gating cells or ICG. There are two commonly used ICG cell types. Using AND gate with high EN ...
Clock Gating is accomplished by using Clock Gating Integrated Cell (CGIC) which gates the clock to the sequential elements present in its fan-out when the enable signal is logic 0. Power Gating structures may be of two types: Simple Power Gating and State Retention Power Gating. Using the fo...
A clock gating element applies a functional clock signal to clock inputs of the cells in response to a gating enable signal in functional mode and a test clock signal in response to a test mode signal in scan testing mode. A functional data input of the spare cell latches the gating ...
Complex Clock Gating with Integrated Clock Gating Logic Cell Rani Bhutada,Chair of Microelectronics, IMTEK, Albert-Ludwigs-University, Georges-Koehler-Allee 102, 79110 Freiburg, Germany.bshruti@imtek.uni-freiburg.de Yiannos Manoli Chair of Microelectronics, IMTEK,Albert-Ludwigs-University, Georges-...