动态电压频率调整(DVFS)技术可独立控制各核心的工作状态。ARM big.LITTLE架构中,系统根据负载将任务迁移到合适效能的核心簇,轻度任务使用低频小核可降低70%能耗。Linux内核的CPUFreq子系统支持设置per-core调频策略,实时跟踪各核心利用率自动切换P-State。
However, because the conventional task scheduler was originally designed for per-core DVFS disabled processors, it cannot effectively utilize the per-core DVFS and simply allocates tasks evenly across all cores to core utilization with the same CPU frequency. Hence, we ...
Do you know how to enable per-core DVFS on a Haswell processor? My testbed is Intel i7-4720HQ processor. The OS is Ubuntu 14.04 and the driver is acpi-cpufreq. Using the cpufreq-set tool, I can set different frequency to individual core. Then I use cpufreq-info to check and it...
In recent years, energy consumption of multicores has been a critical research agenda as chip multiprocessors (CMPs) have emerged as the leading architectural choice of computing systems. Unlike the uniprocessor environment, the energy consumption of an application running on a CMP depends not only ...
来源会议 Esscirc -ieee European Solid State Circuits Conference 研究点推荐 digitally controlled linear regulator per-core wide-range DVFS Digital Linear Dropout 站内活动 0 关于我们 百度学术集成海量学术资源,融合人工智能、深度学习、大数据分析等技术,为科研工作者提供全面快捷的学术服务。在这里我们保持...
DVFSMachine learningIn recent years, energy consumption of multicores has been a critical research agenda as chip multiprocessors (CMPs) have emerged as the leading architectural choice of computing systems. Unlike the uniprocessor environment, the energy consumption of an application running ...
In addition, fine-grained DVFS is applied during long LLC miss induced stalls to reduce core temperature. Our results show that WaFFLe reduces peak and average temperature of a 16-core based homogeneous tiled CMP with up to 8.4 C and 6.2 C, respectively, with an average performance degradation...
Performance-Energy Trade-off in CMPs with Per-Core DVFSThis paper describes the recently started interdisciplinary, industry-sponsored graduate program entitled VLSI Design, Tools & Technology at IIT Delhi. In a short span of 5 years, the program has achieved considerable popularity with students as...
Hsu, Energy-efficient task scheduling for multi-core platforms with per-core DVFS, J. Parallel Distrib. Comput. 86 (2015) 71-81.Lin, Ching-Chi, You-Cheng Syu, Chao-Jui Chang, Jan- Jan Wu, Pangfeng Liu, Po-Wen Cheng, and Wei-Te Hsu. "Energy-efficient Task Scheduling for Multi-core...
Can i7 suppose per-core dvfs Subscribe More actions idata Employee 12-30-2010 01:37 PM 1,445 Views Dear all: I use cpufrequtils to set a specific core in powersave mode. But when I am running a job, I see all cores run in the same frequency. Can I set the individual ...