By William J. Dally (auth.)
Concurrent information buildings simplify the advance of concurrent courses by way of encapsulating widely used mechanisms for synchronization and commu nication into information constructions. This thesis develops a notation for describing concurrent facts buildings, provides examples of concurrent facts buildings, and describes an structure to help concurrent facts constructions. Concurrent Smalltalk (CST), a spinoff of Smalltalk-80 with extensions for concurrency, is built to explain concurrent information buildings. CST permits the programmer to specify gadgets which are allotted over the nodes of a concurrent laptop. those disbursed gadgets have many constituent items and hence can strategy many messages concurrently. they're the root upon which concurrent info buildings are outfitted. The balanced dice is a concurrent info constitution for ordered units. The set is shipped by way of a balanced recursive partition that maps to the subcubes of a binary 7lrcube utilizing a grey code. A seek set of rules, VW seek, in line with the gap houses of the grey code, searches a balanced dice in O(log N) time. since it doesn't have the basis bottleneck that limits all tree-based info buildings to 0(1) concurrency, the balanced dice achieves 0C.:N) con foreign money. contemplating graphs as concurrent info buildings, graph algorithms are pre sented for the shortest direction challenge, the max-flow challenge, and graph parti tioning. those algorithms introduce new synchronization ideas to accomplish larger functionality than latest algorithms.
Read or Download A VLSI Architecture for Concurrent Data Structures PDF
Similar design & architecture books
As Cavalli and Sarma astutely remarked within the creation to this quantity, it really is rather striking that SDL '97 could have the 1st player more youthful than SDL itself. SDL '97 offers the chance to mirror the direction SDL has taken and why it's been winning over 20 years the place different languages addressing an analogous marketplace have failed.
Network-on-Chip Architectures: A Holistic Design Exploration
The ongoing relief of function sizes into the nanoscale regime has resulted in dramatic raises in transistor densities. Integration at those degrees has highlighted the criticality of the on-chip interconnects. Network-on-Chip (NoC) architectures are considered as a potential strategy to burgeoning international wiring delays in many-core chips, and feature lately crystallized right into a major examine area.
Digital structures are discovering common use in either pre- and post-silicon software program and method improvement. They lessen time to marketplace, increase approach caliber, make improvement extra effective, and let really concurrent hardware/software layout and bring-up. digital structures bring up productiveness with unprecedented inspection, configuration, and injection services.
- Architecture Exploration for Embedded Processors with LISA
- Storage Virtualization: Technologies for Simplifying Data Storage and Management: Technologies for Simplifying Data Storage and Management
- VHDL: A logic synthesis approach
- Photoemission from Optoelectronic Materials and their Nanostructures (Nanostructure Science and Technology)
Additional resources for A VLSI Architecture for Concurrent Data Structures
Sample text
The third table shows the distance to this neighbor, dLN (X, k) = IN(X, k) - XI. To find X's neighbor in dimension k, we convert X to a cube address, G(X), toggle the kth bit, G(X) ED 2k, and convert back to the linear order, N(X, k) = B( G(X) ED 2k). For example, the neighbor of node X = 4 in dimension k = 1 is node N(4, 1) = 7. The distance to this node is dLN (4,1) = 17 - 41 = 3. 5. The symmetry of reflection is clearly visible. In each dimension, k, we have 2n - k - 1 Vs centered on right subcubes of dimension k+ 1.
This locking cannot cause deadlock, since the split node is in fact part of the locked node until the split is completed. Consider splitting the subcube OOOXXX into OOOOXX and 000lXX. In the instant of time before the split, all nodes in OOOXXX must route their messages 48 A VLSI Architecture for Concurrent Data Structures to 000000. Immediately after the split, all messages to the upper half subcube 0001XX must be routed to 000100. For the cube algorithms to operate correctly, the split must be an atomic operation.
The service is formulated as a distributed object that responds to a number of messages. For example, the synchronization service can be defined as an object of class Sync that responds to the message wait. The distributed object waits for a specified number of wait messages and then replies to all requesters. On machines that provide special hardware, class Sync can make use of this hardware. On other machines, the service can be implemented by passing messages among the constituent objects. 19 Chapter 2: Concurrent Smalltalk instance methods for class TallyColiection count data matching aKey tally: aKey II lself localTally: aKey level: 0 root: myld.