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Latest Blogs
  • Streamline中基于统计的性能分析功能介绍

    章政
    章政
    原文参考 ARM性能分析器(Streamline) 7.0版开始支持基于SPE(统计性能分析扩展)的性能分析。SPE是Armv8.2-A架构中的一个可选扩展特性,它可以以很低的代价对处理器的流水线进行采样。Streamline可以从Arm Development Studio和Arm Mobile Stuido获取。 为什么需要SPE? Streamline前序版本只能通过硬件计数器和软中断中采样PC信息获取CPU的信息…
    • January 28, 2020
  • 让数值算法在Arm edge端跑的更快

    章政
    章政
    CMSIS DSP 库作为高度优化的嵌入式系统数字信号计算库一直以来深受广大开发者所喜爱,随着人工智能(Artificial Intelligence )逐步向Edge端扩展,Edge端的数字计算负载也越来越大,为了缓解计算的压力,各种框架也在Edge端采用CMSIS DSP库进行优化加速。科学计算环境和嵌入式开发环境有很大的区别,比如科学计算往往采用Python,SCIPy,Matlab,而这些环境一般是无法在低功耗嵌入式环境…
    • November 13, 2019

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Unanswered questions
  • Not Answered

    那里可以找到ARMNN的介绍文档where can I find the armnn document 0

    906 views
    1 reply
    Latest over 1 year ago
    by 章政
  • Not Answered

    在4 Core的ARM Cortex-A9系统中如何测量一个内核对共享内存访问的开销?最大开销是多少?最小开销等如何测量? 0

    • Cortex-A9
    • L1
    • Cache
    • L2
    717 views
    0 replies
    Started over 1 year ago
    by BeDook
  • Not Answered

    Synchronous External Abort In Data Abort Proc of Coretex-R5 when PC jump from TCM(0x0~64K) to DDR(0x20000000~) 0

    486 views
    0 replies
    Started over 1 year ago
    by konziyang
  • Not Answered

    Keil debug session 侦错问题 0

    • stm32 h7
    • Keil MDK Plus Edition
    2471 views
    6 replies
    Latest over 1 year ago
    by STM32H7
  • Not Answered

    请教一下,TEE中某个CA与TA通信时,如果UUID泄漏了,其他CA是否可以调用这个TA?如果是的话,岂不是可以通过仿造CA拿到TA中的东西,有什么措施可以避免吗? 0

    874 views
    0 replies
    Started over 1 year ago
    by ethanchen
<>
Most viewed questions
  • Suggested Answer

    处理器运行在Secure EL3 AArch32状态下,SVC模式时,SPSR寄存器是否是SPSR_EL1? 0

    • Armv8-A
    452 views
    1 reply
    Latest 5 months ago
    by Zhifei Yang
  • Answered

    关于MMU中TTBR0保存的地址 0

    691 views
    2 replies
    Latest 5 months ago
    by thinkpad
  • Answered

    关于cortex-A9的数据缓存问题 0

    808 views
    2 replies
    Latest over 4 years ago
    by 拉肚肚
  • Suggested Answer

    请问如何申请designstart的spi控制器 0

    809 views
    1 reply
    Latest over 1 year ago
    by 章政
  • Suggested Answer

    想用arm芯片做电机的闭环控制,其中需要求3×24阶的伪逆矩阵,有没有推荐的型号的,处理能力能够达标的,本人刚开始学,希望大家可以给点建议,谢谢谢谢 0

    871 views
    1 reply
    Latest over 1 year ago
    by 章政
>

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