01 2025 档案
摘要：difference between rdtsc with rdtscp RDTSC (Read Time-Stamp Counter) and RDTSCP (Read Time-Stamp Counter and Processor ID) are both x86 assembly instr
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摘要：目录固定cpu频率max_ipc_test.sh 固定cpu频率 随笔-处理器微架构-固定cpu频率 - LiYanbin - 博客园 max_ipc_test.sh #!/bin/bash [[ -z "$1" || -z "$2" ]] && { echo "usage: $0 [cpuid]
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摘要：目录[1/2] 固定cpu运行频率[2/2] 实验和实验结果 方法：执行时长/周期数 约等于 1/lscpu 查看到的频率 [1/2] 固定cpu运行频率 随笔-处理器微架构-固定cpu频率 - LiYanbin - 博客园 [2/2] 实验和实验结果 代码： #include <stdlib.h>
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摘要：目录固定cpu频率固定cpu频率 on arm 固定cpu频率 测试环境cpu频率管理是intel_pstate: no_turbo.sh #!/bin/bash echo "disable turbo" echo 1 | sudo tee /sys/devices/system/cpu/intel
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摘要：目录rdtsc codemrs pmccntr_el0 report 'Illegal instruction'附: arm pmu_enable rdtsc code #include <stdio.h> #include <stdint.h> #if defined(__i386__) || d
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摘要：F: 关于instructionFusion、micro fusion、macro fusion 参考：Microbenchmarking fused instruction Please do not be confused about the difference between Instruc
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摘要：目录PC Intel(R) Core(TM) i5-10500 CPU @ 3.10GHz研祥 Intel(R) Xeon(R) Silver 4116 CPU @ 2.10GHz戴尔 Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz haswell架构 en.wi
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摘要：link：Understanding Bandwidth and Latency - Ars Technica Understanding Bandwidth and Latency Ars discusses issues of bandwidth and latency inside hardw
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