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公开(公告)号：EP3191974A2
公开(公告)日：2017-07-19
申请号：EP15757413.8
申请日：2015-08-24
IPC分类号： G06F15/78 , H04L12/933
CPC分类号： H04L49/109 , G06F15/7825 , H04L47/365 , H04L47/6275 , H04L47/628
摘要： Systems and methods relate to a network on chip (NoC) which includes one or more channels configured to carry data packets in a first direction, the first direction having an upstream end and a downstream end. A tunnel is configured between an upstream element at the upstream end and a downstream element at the downstream end. The tunnel includes common wires which are shared by the one or more channels. The tunnel is configured to transmit data packets of two or more formats on the common wires based on common signals. common signals comprise data signals to transmit one or more of data, control, or debug information belonging to the data packets on the common wires, and framing signals to control transmission of the data signals on the common wires.
摘要翻译： 系统和方法涉及片上网络（NoC），其包括被配置为在第一方向上传送数据分组的一个或多个信道，第一方向具有上游端和下游端。 在上游端的上游元件和下游端的下游元件之间配置隧道。 隧道包括由一个或多个信道共享的公共电线。 隧道被配置为基于公共信号在公共导线上传输两种或更多种格式的数据分组。 公共信号包括用于在公共线上传输属于数据分组的数据，控制或调试信息中的一个或多个的数据信号，以及用于控制数据信号在公共线上的传输的成帧信号。
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公开(公告)号：EP2901294A1
公开(公告)日：2015-08-05
申请号：EP13842232.4
申请日：2013-09-24
CPC分类号： H04L12/403 , G06F15/7825
摘要： The invention is a transaction interface protocol wherein the interface protocol has a transaction identifier signal in each of the request and response channels. It is used between a target network interface unit (NIU) master and an initiator NIU slave that are directly connected through a transaction interface. The target NIU response channel uses the transaction ID signal to identify the entry in a context array associated with the corresponding request. The coupling of target NIU and initiator NIU enable the formation of an on-chip interconnect comprising multiple network-on-chip (NoCs) wherein the topology of the interconnect is simpler, smaller, faster, and has lower latency.
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公开(公告)号：EP2885713A2
公开(公告)日：2015-06-24
申请号：EP13830550.3
申请日：2013-08-16
IPC分类号： G06F12/02
CPC分类号： G06F12/1036 , G06F12/0207 , G06F12/0215 , G06F12/0811 , G06F12/1027 , G06F12/1081 , G06F17/5009 , G06F2212/681
摘要： A system TLB accepts translation prefetch requests from initiators. Misses generate external translation requests to a walker port. Attributes of the request such as ID, address, and class, as well as the state of the TLB affect the allocation policy of translations within multiple levels of translation tables. Translation tables are implemented with SRAM, and organized in groups.
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公开(公告)号：EP4123468A1
公开(公告)日：2023-01-25
申请号：EP22196229.3
申请日：2013-09-24
IPC分类号： G06F15/173 , G06F15/78 , H04L12/403
摘要： The invention is a transaction interface protocol wherein the interface protocol has a transaction identifier signal in each of the request and response channels. It is used between a target network interface unit (NIU) master and an initiator NIU slave that are directly connected through a transaction interface. The target NIU response channel uses the transaction ID signal to identify the entry in a context array associated with the corresponding request. The coupling of target NIU and initiator NIU enable the formation of an on-chip interconnect comprising multiple network-on-chip (NoCs) wherein the topology of the interconnect is simpler, smaller, faster, and has lower latency.
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公开(公告)号：EP2724234A2
公开(公告)日：2014-04-30
申请号：EP12741088.4
申请日：2012-06-21
IPC分类号： G06F11/34
CPC分类号： G06F11/3419 , G06F11/34 , G06F11/349 , G06F13/385 , G06F2201/81 , G06F2201/87 , G06F2201/88
摘要： A probe within a Network-on-Chip (NoC) that can calculate a histogram of transaction data is disclosed. Some such histograms are cycles per number of pending transactions, transactions per latency, and transactions per request delay. The number of pending transactions can be measured by a register that is incremented at the start and decremented at the end of each transaction. Latencies can be measured by timers that are allocated and initialized at the start and read at the end of each transaction. Multiple counters can be used for multiple pending transactions. Multiple banks of counters can be used so that multiple transaction interfaces can complete transactions and perform histogram bin threshold comparisons simultaneously. The thresholds separating histogram bins can be programmable.
摘要翻译： 公开了可以计算交易数据的直方图的片上网络（NoC）内的探测器。 一些这样的直方图是每个未决事务数，每个延迟事务数和每个请求延迟事务的周期数。 未决事务的数量可以通过一个寄存器来衡量，该寄存器在每个事务开始时递增并在每次事务结束时递减。 延迟时间可以通过在开始时分配和初始化并在每次事务结束时读取的计时器来测量。 多个计数器可用于多个待定事务。 可以使用多个计数器库，以便多个事务接口可以同时完成事务并执行直方图库阈值比较。 分离柱状图箱的阈值可以编程。
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