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Download A High Performance Architecture for Prolog by T.P. Dobry PDF

By T.P. Dobry

Man made Intelligence is coming into the mainstream of com puter purposes and as options are constructed and built-in right into a wide array of components they're starting to tax the professional cessing energy of traditional architectures. to fulfill this call for, really good architectures supplying help for the original beneficial properties of symbolic processing languages are rising. The objective of the learn awarded this is to teach that an archi tecture really good for Prolog can in attaining a ten-fold enhance ment in functionality over traditional, general-purpose architec tures. This e-book provides such an structure for top perfor mance execution of Prolog courses. The structure is predicated at the summary desktop descrip tion brought by way of David H.D. Warren referred to as the Warren summary computing device (W AM). The execution version of the W AM is defined and prolonged to supply a whole guideline Set structure (lSA) for Prolog referred to as the PLM. This ISA is then learned in a microarchitecture and at last in a layout. The paintings defined right here represents one of many first efforts to enforce the W AM version in undefined. The procedure taken is that of direct implementation of the excessive point WAM guideline set in leading to a elSe type archi tecture.

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Extra resources for A High Performance Architecture for Prolog

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4. A Direct Memory Access (DMA) unit, responsible for transferring data to/ from the link adapter. The throughput preservation challenge Processor Memory Bus Link adapter DMA unit FIGURE 3-2 Generic adapter architecture. The flow of events for packet reception from the network is as follows: • • • • • A packet is received from the link adapter. An interrupt is issued to the processor, which results in a task switch. A DMA operation transfers the packet to the main memory. The processor performs a set of memory operations for queuing the packet for later processing by the various network protocols.

This chapter focuses on switches and analyzes their architecture, their requirements for scheduling, and their performance. We consider ATM as the driving network technology for switches because it is an important switched network technology employed in LANs, MANs, and WANs and because it captures the characteristics of several switches in computing systems due to its cell-based operation, where all cells have equal size. First, we describe switches and interconnection networks and then we present the main switch organizations.

Bridges are network systems that switch DLC layer data among stacks. Although previous definitions led to the concept of a bridge switching packets among DLC protocols, as defined by the OSI Reference Model, this is not the case in most existing bridges. Most conventional bridges actually switch packets over the MAC sublayer of the DLC layer due to the way LAN protocols have evolved, especially through the IEEE standardization effort [66]. As mentioned previously, the Data Link Control layer (layer 2) is divided into two sublayers: the Media Access Control sublayer and the Logical Link Control sublayer.

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