据我的粗略测量,在双处理器Linux系统上的Sun 1.3JDK 中进行 ThreadLocal.get()操作,所耗费的时间大约是无争用同步的两倍。
My rough benchmarks running the Sun 1.3 JDK on a two-processor Linux system show that a ThreadLocal.get() operation takes about twice as long as an uncontended synchronization.
要使整个测量系统的性能得到提升,需要测量硬件上更进一步的改善而非处理器。
Gaining the most improvement in system throughput requires a change in the measurement hardware, not the processor.
文中阐述了语音合成与语音识别技术、语音处理系统,以及语音处理器在电子测量领域的应用。
This paper expounds the voice synthesis and the voice recognition technology, the voice processing system and the application of the voice processor in the electronic measurement field.
测量结果重现性高,具有评估系统的微处理器控制激发光源。
Improved accuracy of measured results. A microprocessor-controlled source has been optimised with the evaluation system.
介绍了随钻测量仪测试系统中,基于MC68 HC 908gz60微处理器的数据采集控制器设计。
Introduced is the design of data acquisition controller based on MC68HC908GZ60 microprocessor in MWD testing system.
设计并实现了一种用硅双结色敏器件作为探测器,单片机作为控制器,PC作为处理器和显示器的光功率、波长同步测量系统。
A system of measuring light power and wavelength is designed and fabricated, using Silicon Color Sensor with double PN junction as detector, single chip processor as controller and PC as processor.
最后为采集设备设计了通信微处理器,使测量系统可扩展多个测量设备;
Communication microprocessor is designed for acquisition device to make the measurement system expandable into multiple measuring devices.
数字信号处理器(dsp)用于实现被测量重构,成为测量系统的组成部分。
Digital signal processors (DSP) used for the realization of measurand reconstruction is a part of the measuring system.
此值是实时测量的,而不是中央处理器的时间,所以一个在轻负载系统的阈值下的查询可能会高于重负载的系统的阈值。
This value is measured in real time, not CPU time, so a query that is under the threshold on a lightly loaded system might be above the threshold on a heavily loaded one.
为满足工业现场温度、应力参数测量与监控的需要,设计了一种基于STM 32处理器的嵌入式温度、应力测量系统。
To meet the needs of temperature, stress parameter measurement and monitoring of the industrial field, an embeded temperature and stress measurement system based on STM32 processor is designed.
为满足工业现场温度、应力参数测量与监控的需要,设计了一种基于STM 32处理器的嵌入式温度、应力测量系统。
To meet the needs of temperature, stress parameter measurement and monitoring of the industrial field, an embeded temperature and stress measurement system based on STM32 processor is designed.
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