Accelerating retiming under the coupled-edge timing model

2003 ◽  
Author(s):  
I. Neumann ◽  
K. Sulimma ◽  
W. Kunz
Keyword(s):  
Timing Model

A sketch of an extrinsic timing model of speech production

2014 ◽  
Author(s):  
Alice Turk ◽  
Stefanie Shattuck Hufnagel
Keyword(s):  
Speech Production ◽  
Timing Model

scholarly journals P‐1.4: Timing Model and Maximum‐Aperture Pixel Design of an Active‐Matrix Display

2021 ◽  
Vol 52 (S1) ◽  
pp. 423-426
Author(s):  
Xuchi Liu ◽  
Zhihe Xia ◽  
Hoi-Sing Kwok ◽  
Man Wong
Keyword(s):  
Active Matrix ◽  
Timing Model

The Strategic Timing of Position Taking in Congress: A Study of the North American Free Trade Agreement

1997 ◽  
Vol 91 (2) ◽  
pp. 324-338 ◽  
Author(s):  
Janet M. Box-Steffensmeier ◽  
Laura W. Arnold ◽  
Christopher J. W. Zorn
Keyword(s):  
Free Trade ◽  
North American ◽  
House Of Representatives ◽  
Free Trade Agreement ◽  
Trade Agreement ◽  
Critical Element ◽  
Vote Model ◽  
Political Actors ◽  
The North ◽  
Timing Model

A critical element of decision making is the timing of choices political actors make; often when a decision is made is as critical as the decision itself. We posit a dynamic model of strategic position announcement based on signaling theories of legislative politics. We suggest that members who receive clear signals from constituents, interest groups, and policy leaders will announce their positions earlier. Those with conflicting signals will seek more information, delaying their announcement. We test several expectations by examining data on when members of the House of Representatives announced their positions on the North American Free Trade Agreement. We also contrast the timing model with a vote model, and find that there are meaningful differences between the factors influencing the timing of position announcements and vote choice. Our research allows analysts to interpret the process leading up to the House action and the end state of that process.

scholarly journals An instruction timing model of CPU performance

1977 ◽  
Author(s):  
Bernard L. Peuto ◽  
Leonard J. Shustek
Keyword(s):  
Timing Model

RWRoute: An Open-source Timing-driven Router for Commercial FPGAs

2022 ◽  
Vol 15 (1) ◽  
pp. 1-27
Author(s):  
Yun Zhou ◽  
Pongstorn Maidee ◽  
Chris Lavin ◽  
Alireza Kaviani ◽  
Dirk Stroobandt
Keyword(s):  
Open Source ◽  
Programming Model ◽  
Delay Model ◽  
Specific Flow ◽  
Domain Specific ◽  
Timing Model ◽  
Average Accuracy ◽  
Data Driven Approach ◽  
Architectural Knowledge

One of the key obstacles to pervasive deployment of FPGA accelerators in data centers is their cumbersome programming model. Open source tooling is suggested as a way to develop alternative EDA tools to remedy this issue. Open source FPGA CAD tools have traditionally targeted academic hypothetical architectures, making them impractical for commercial devices. Recently, there have been efforts to develop open source back-end tools targeting commercial devices. These tools claim to follow an alternate data-driven approach that allows them to be more adaptable to the domain requirements such as faster compile time. In this paper, we present RWRoute, the first open source timing-driven router for UltraScale+ devices. RWRoute is built on the RapidWright framework and includes the essential and pragmatic features found in commercial FPGA routers that are often missing from open source tools. Another valuable contribution of this work is an open-source lightweight timing model with high fidelity timing approximations. By leveraging a combination of architectural knowledge, repeating patterns, and extensive analysis of Vivado timing reports, we obtain a slightly pessimistic, lumped delay model within 2% average accuracy of Vivado for UltraScale+ devices. Compared to Vivado, RWRoute results in a 4.9× compile time improvement at the expense of 10% Quality of Results (QoR) loss for 665 synthetic and six real designs. A main benefit of our router is enabling fast partial routing at the back-end of a domain-specific flow. Our initial results indicate that more than 9× compile time improvement is achievable for partial routing. The results of this paper show how such a router can be beneficial for a low touch flow to reduce dependency on commercial tools.

A Generalized Approach to Measure Market Timing Skills of Fund Managers

2014 ◽  
Vol 3 (1) ◽  
pp. 40-75
Author(s):  
George Woodward ◽  
Robert Brooks
Keyword(s):  
Market Timing ◽  
Poor Performance ◽  
Generation Process ◽  
Market Conditions ◽  
Fund Managers ◽  
Timing Model ◽  
Realistic Representation ◽  
Managed Funds ◽  
Special Case ◽  
Fund Return

In this paper the authors extend the analysis in Woodward and Brooks (2010) to derive a generalized form of Merton's (1981) dual beta market timing model that allows for continuous adjustment of portfolio beta in response to changing market conditions, and also includes the dual beta model as a special case. The model provides a more realistic representation of the fund return generation process. Using this model the authors test the market timing skills of fund managers for a sample of Australian superannuation funds for the period 1990 to 2002. The authors find that managed funds in which investors voluntarily select a given fund (retail funds) experience frequent rebalancing when compared to managed funds in which the investors' contribution is involuntary (wholesale funds). The authors relate the greater sensitivity to all changes in market conditions of retail funds to higher expenses and poor performance that was found in a recent study by Langford, Faff and Marisetty (2006). The results have important implications for Australian superannuation policy, since the Australian Government, effective from 1st July 2005, has required all funds to introduce voluntary contribution schemes.

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