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Questions tagged [cpu-speed]

CPU speed determines how fast your process can perform tasks. CPU speeds matter less than they did in the past, thanks to the advent of multi-core processors.

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What will happen to the interrupt latency ( or Jitter in the interrupt latency) when i lower the clock rate of a cpu

I am having a baremetal program running on a ARM cpu which is processing interrupts of a real time application. Power is also a constraint, so i am thinking of playing with the frequency of that particular CPU. Is there a way with which i can…
Nuetrino
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Android app slowdown despite wakelock on USB disconnection

I am making an application that does some audio processing and plays it back in real time. The issue I'm facing is that the application works just fine when the phone is connected to the computer with a USB cable, but the audio starts to skip and…
Anuj Jain
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Increase CPU utilization greater than 100% in XCODE 5

I running a simple console based C++ application in XCODE 5. I have a 2.8GHZ Intel Core i7 processor. If I look at the CPU utilization, following are the stats: My_Program: 100% Other Processes: 168% Free: 537% Is it possible to utilize the free…
ravi.panch
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How can i check my CPU cache in Windows 8?

i have a problem: i can not find any panel or command in windows 8 which can show me my CPU cache? there is some softwares can get sysconfig. but those are not full info. it's completely all information except CPU_CACHE.
Amin AmiriDarban
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Comparing available processing power of two machines

Think of a load balancer which is to balance the load according to the available (remaining) processing power of its units. How would you calculate this parameter to compare? I'm trying to implement this in C# and so far I can query the CPU usage in…
Mehran
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How can I find exact elapsed time of a function in a binary executable?

For my research, I want to compare the exact run time of my program A and another program B. However, B source codes are not available for me. The program consists of some pre- and post- processing tasks which must be excluded from the run time.…
remo
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How can one enhance the utilization of processors for faster data processing?

I am using a Samsung NP350V5C-S06IN Laptop for Machine Learning related data processing. Specifications: (3rd Gen Ci7 (2.3 GHz)/ 8GB RAM / Win7 HP/ 2GB AMD Radeon HD 7670M Graphics Card) Running a computation intensive algorithm like RF or GBM…
Abhishek Nalin
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Improving jquery select speed

I have this code which manipulates the asp.net treeview html code. This code gets run frequently, so its important that it runs as fast as possible. I want to learn more about jquery selectors and improving its speed. So far I was able to get this…
omega
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Getting cycles per byte for my algorithm?

I know the theory but have problem with practical implementation. I wrote an AES algorithm in C. Now, I would like to know, how many cycles per byte it "has". I know that I have to (is that 100% rigth?): Calculate speed of an algorithm in bytes per…
mazix
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Changing CPU affinity affects performance of other functions

I have a code in C which has the following overall framework: while (err > tol){ func_A(); func_B(); func_C(); func_Par(); } The codes are changing some global variables and this how they are connected. In func_Par(), three threads…
Pouya
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How to determine maximum speed of cpu in linux (MIPS architecture)

i want to determine maximum speed of cpu in MHz with linux operating system and MIPS hardware. With command cat /proc/cpuinfo it results in BogoMIPS=1000.00. And `cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq` is not working. How can i…
marry
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program speed/unnecessary double-counting

I am trying to find the number of pairs in a list of numbers with a specific difference. Say, with the list 1 2 3 4 5 and the difference target '2', I would want to print the number '3' because there are 3 pairs in this sequence with a difference…
user1799242
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MapReduce for all parallel problems?

I understand that MapReduce is great for solving parallel problems on a huge data set. However, are there any examples of problems that while in some sense parallellizable, are not a good fit for MapReduce?
user1252954
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Need to measure sorting CPU speed in Powershell and write out to a file

Need to develop a script to measure sorting CPU speed in PowerShell and write out the following information to the log file every 30 minutes to 1 hour MachineName Date Time sort100kseconds A cherry on top could be to add something to count number of…
Todupunuri Avanthi
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Rewritning if condition to speed up in python

I have following piece of code with if statement within a function. When I run it would take long time and it is a way to rewrite if condition or a way to speed up this sample code? import numpy as np def func(S, R, H): ST = S * R if ST <=…
Pavel.D
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