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As technology scales down, the static power is expected to become a significant fraction of the total power. The exponential dependence of static power with the operating temperature makes the thermal profile estimation of high-performance…

硬件体系结构 · 计算机科学 2011-11-09 J. L. Rossello , V. Canals , S. A. Bota , A. Keshavarzi , J. Segura

Recent advances in electronics are enabling substantial processing to be performed at each node (robots, sensors) of a networked system. Local processing enables data compression and may mitigate measurement noise, but it is still slower…

最优化与控制 · 数学 2025-03-04 Luca Ballotta , Luca Schenato , Luca Carlone

We report on high-temperature sensing measurements using a tubular-lattice hollow-core photonic crystal fiber displaying a microstructure formed of eight 2.4 um-thick cladding tubes. The larger thickness of our fiber's cladding tubes…

Data centers handle impressive high figures in terms of energy consumption, and the growing popularity of Cloud applications is intensifying their computational demand. Moreover, the cooling needed to keep the servers within reliable…

分布式、并行与集群计算 · 计算机科学 2023-12-19 Patricia Arroba , José L. Risco-Martín , José M. Moya , José L. Ayala

We study the problem of dynamic cooling whereby a target qubit is cooled at the expense of heating up $N-1$ further identical qubits, by means of a global unitary operation. A standard back-of-the-envelope high temperature estimate…

量子物理 · 物理学 2024-09-26 Lindsay Bassman Oftelie , Antonella De Pasquale , Michele Campisi

On a quantum superconducting processor we observe partial and infinite-temperature thermalization induced by a sequence of repeated quantum projective measurements, interspersed by a unitary (Hamiltonian) evolution. Specifically, on a qubit…

量子物理 · 物理学 2023-06-22 Alessandro Santini , Andrea Solfanelli , Stefano Gherardini , Guido Giachetti

Heat flux sensors have potential in enabling applications that require tracking of direct and instantaneous thermal energy transfer. To facilitate their use, the sensors have to be robust and feasible to implement, while maintaining high…

应用物理 · 物理学 2020-06-05 Antti Immonen , Saku Levikari , Feng Gao , Mikko Kuisma , Pertti Silventoinen

Self-heating in surrounding gate transistors can degrade its on-current performance and reduce lifetime. If a transistor heats/cools with time-constants less than the inverse of the operating frequency, a predictable, frequency-independent…

仪器与探测器 · 物理学 2016-09-02 SangHoon Shin , Muhammad Masuduzzaman , Muhammad Ashraful Alam

The effective frequency of a mechanical resonator can be tuned via the spring effect induced by quadratic optomechanical (QOM) coupling, and both spontaneous symmetry breaking and anti-parity-time phase transition were predicted in the QOM…

量子物理 · 物理学 2025-06-17 Yu-Sheng Tang , Xun-Wei Xu , Jie-Qiao Liao , Hui Jing , Le-Man Kuang

Two-stage object detectors exhibit high accuracy and precise localization, especially for identifying small objects that are favorable for various edge applications. However, the high computation costs associated with two-stage detection…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Yifan Gong , Yushu Wu , Zheng Zhan , Pu Zhao , Liangkai Liu , Chao Wu , Xulong Tang , Yanzhi Wang

The management of the energy consumption and thermal dissipation of multi-core heterogeneous platforms is becoming increasingly important as it can have direct impact on the platform performance. This paper discusses an approach that…

软件工程 · 计算机科学 2021-04-22 Joel Öhrling , Dragos Truscan , Sebastien Lafond

The Intel Core i7 processor code named Nehalem provides a feature named Turbo Boost which opportunistically varies the frequencies of the processor's cores. The frequency of a core is determined by core temperature, the number of active…

性能 · 计算机科学 2010-08-10 Ananth Narayan S , Somsubhra Sharangi , Alexandra Fedorova

The goal of this work is to minimize the energy dissipation of embedded controllers without jeopardizing the quality of control (QoC). Taking advantage of the dynamic voltage scaling (DVS) technology, this paper develops a performance-aware…

其他计算机科学 · 计算机科学 2008-09-30 Feng Xia , Liping Liu , Longhua Ma , Youxian Sun , Jinxiang Dong

Time-dependent drives hold the promise of realizing non-equilibrium many-body phenomena that are absent in undriven systems. Yet, drive-induced heating normally destabilizes the systems, which can be parametrically suppressed in the…

We consider the question: Is it possible to measure two temperatures simultaneously using a single thermometer? Under common circumstances, where the thermometer can interact with only one bath at a time and the interaction leads to…

量子物理 · 物理学 2024-06-06 Harshit Verma , Fabio Costa

Processors with dynamic power management provide a variety of settings to control energy efficiency. However, tuning these settings does not achieve optimal energy savings. We highlight how existing power capping mechanisms can address…

性能 · 计算机科学 2025-06-23 Alborz Jelvani , Richard P Martin , Santosh Nagarakatte

Power electronics systems, widely used in various applications such as industrial automation, electric cars, and renewable energy, have the primary function of converting and controlling electrical power to the desired type of load. Despite…

系统与控制 · 电气工程与系统科学 2023-10-06 Hooman Taghavi , Ahmad El Shafei , Adel Nasiri

Due to thermal and power supply limits, modern Intel CPUs reduce their frequency when AVX2 and AVX-512 instructions are executed. As the CPUs wait for 670{\mu}s before increasing the frequency again, the performance of some heterogeneous…

操作系统 · 计算机科学 2020-05-05 Mathias Gottschlag , Yussuf Khalil , Frank Bellosa

Probes that measure the local thermal properties of systems out of equilibrium are emerging as new tools in the study of nanoscale systems. One can then measure the temperature of a probe that is weakly coupled to a bias-driven system. By…

强关联电子 · 物理学 2015-05-13 LvZhou Ye , Dong Hou , Xiao Zheng , YiJing Yan , Massimiliano Di Ventra

This paper proposes a novel multifunctional sensing platform based on multimode planar photonic crystals (PPCs). We analytically and numerically demonstrate that the reflection spectrum of PPCs exhibits multiple high-Q resonant modes, and…

光学 · 物理学 2017-01-13 Yongyao Chen , Haijun Liu , Zhijian Zhang , Miao Yu