Topic
Pipeline (computing)
About: Pipeline (computing) is a research topic. Over the lifetime, 26760 publications have been published within this topic receiving 204305 citations. The topic is also known as: data pipeline & computational pipeline.
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01 Jun 2001TL;DR: The methodology that was used to validate a microprocessor simulator against a Compaq DS-10L workstation, which contains an Alpha 21264 processor, and how low-level optimizations reduce average error from 40% to less than 20% on macrobenchmarks drawn from the SPEC2000 suite is described.
Abstract: We measure the experimental error that arises from the use of non-validated simulators in computer architecture research, with the goal of increasing the rigor of simulation- based studies. We describe the methodology that we used to validate a microprocessor simulator against a Compaq DS-10L workstation, which contains an Alpha 21264 processor. Our evaluation suite consists of a set of 21 microbenchmarks that stress different aspects of the 21264 microarchitecture. Using the microbenchmark suite as the set of workloads, we describe how we reduced our simulator error to an arithmetic mean of 2%, and include details about the specific aspects of the pipeline that required extra care to reduce the error. We show how these low-level optimizations reduce average error from 40% to less than 20% on macrobenchmarks drawn from the SPEC2000 suite. Finally, we examine the degree to which performance optimizations are stable across different simulators, showing that researchers would draw different conclusions, in some cases, if using validated simulators.
53 citations
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TL;DR: In this article, a linear model predictive control (LMPC) strategy is developed for large-scale gas pipeline networks based on a nonlinear dynamic model derived from mass balances and the Virial equation of state.
53 citations
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TL;DR: This paper describes a 10-bit 205-MS/s pipeline analog-to-digital converter for flat panel display applications with the techniques to alleviate the design limitations in the deep-submicron CMOS process.
Abstract: This paper describes a 10-bit 205-MS/s pipeline analog-to-digital converter (ADC) for flat panel display applications with the techniques to alleviate the design limitations in the deep-submicron CMOS process. The switched source follower combined with a resistor-switch ladder eliminates the sampling switches and achieves high linearity for a large single-ended input signal. Multistage amplifiers adopting the complementary common-source topology increase the output swing range with lower transconductance variation and reduce the power consumption. The supply voltage for the analog blocks is provided by the low drop-out regulator for a high power-supply rejection ratio (PSRR) under the noisy operation environment. The pipeline stages of the ADC are optimized in the aspect of power consumption through the iterated calculation of the sampling capacitance and transconductance. The ADC occupies an active area of 1.0 mm2 in a 90-nm CMOS process and achieves a 53-dB PSRR for a 100-MHz noise tone with the regulator and a 55.2-dB signal-to-noise-and-distortion ratio for a 30-MHz 1.0-VPP single-ended input at 205 MS/s. The ADC core dissipates 40 mW from a 1.0-V nonregulated supply voltage.
53 citations
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TL;DR: The strategy of denying growing tumors a blood supply continues to show clinical promise as new and improved drugs move through the pipeline.
Abstract: The strategy of denying growing tumors a blood supply continues to show clinical promise as new and improved drugs move through the pipeline.
53 citations
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TL;DR: Novel approaches for pipelining of parallel nested multiplexer loops and decision feedback equalizers (DFEs) based on look-ahead techniques are presented, which can guarantee improvement in performance either in the form of pipeline or parallelism.
Abstract: This paper presents novel approaches for pipelining of parallel nested multiplexer loops and decision feedback equalizers (DFEs) based on look-ahead techniques. Look-ahead techniques can be applied to pipeline a nested multiplexer loop in many possible ways. It is shown that not all the look-ahead approaches necessarily result in improved performance. A novel look-ahead approach is identified, which can guarantee improvement in performance either in the form of pipelining or parallelism. The proposed technique is demonstrated and applied to design multiplexer-loop-based DFEs with throughput in the range of 3.125-10 Gb/s.
53 citations