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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Why IA32_HWP_CAPABILITIES.Highest_Performance are not equal on P-cores of Alder Lake desktop processors?

On i9-12900K, the value of Highest_Performance field in IA32_HWP_CAPABILITIES MSR are not equal, which causes linux kernel reporting different value for each thread in /sys/devices/system/cpu/cpu${id}/cpufreq/cpuinfo_max_freq. There are 2C/4T of…
KagurazakaKotori
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Clock Speed what does it mean?

lets say i have a dual core having a speed of 2.7. Does the 2.7 stands for the sum of the speed of each core, or the speed of each individual core?
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Can increment of a register be used to determine the clock rate?

Can increment of a register (in a loop) be used to determine the (effective) clock rate? I've naturally assumed it can, but I was commented that Cpu's may implant Super-scalar techniques that make this kind of computation useless. Also I was told…
Liran Orevi
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Python algorithm speed up / Perfomance tips

I'm working with big file manipulation (over 2Gb) and I have a lot of processing functions to deal with the data. My problem is that it is taking a lot (A LOT) of time to finish the processing. From all function the one that seems to take longer is…
Izalion
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Why is a / (b*c) slower than a / b / c in Python (and in general)?

I stumbled across an interesting optimization question while writing some mathematical derivative functions for a neural network library. Turns out that the expression a / (b*c) takes longer to compute than a / b / c for large values (see timeit…
Thomas
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How to know the cpu utilisation of node process?

I tried it by using top -pid 27045 which gives the output Then calling an api which having decrypting some values, looping over arrays in multiple time. It leads to degrading the AWS instance. I need to determine which process take these much of…
Ashwanth Madhav
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Making an apply function faster in Python

I am running the following code on about 6 million rows. It's so slow and never ends. df['City'] = df['POSTAL_CODE'].apply(lambda x: nomi.query_postal_code(x).county_name) It assigns a corresponding city to each postal code. When I run it on a…
Benn
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Is using for loop faster for the computer than repeated instructions?

What I mean is which would be faster for a computer to execute. The following code is in python3. for in range(10): print('billy bob') OR print('billy bob') print('billy bob') print('billy bob') print('billy bob') print('billy…
epiconan
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How to optimize this code to make it faster

I am a really really new noobie high school student in java and we're currently optimizing a project but I'm stuck now. I think I've down everything I can do. Below are my 3 classes. PS, These codes print out the time spent in while loop and I'm…
asdfg
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Approximating Processing Power from CPU-Time

In a particular scenario I found that a code has taken 20 CPU Years and 4 real Months time. My goal is to approximate the amount of processing power utilized considering the fact that all the processors were on 100% usage all the time. So, my…
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How to calculate column y+1 based on value in prior column y more efficienty (Monte Carlo SImulation)

my current code is following: stock_values = np.zeros([path, steps+1]) stock_values[:, 0] = s for y in range(0, steps): stock_values[:, y+1] = stock_values[:, y] * ( np.exp(change[:,y])) with: change = (r_d - 0.5*(sigma_d ** 2)) *…
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Is getting data back from Redis SETS faster or more performant than HSETS?

I currently have a scenario where we are using REDIS to store string field-value pairs within a hashed set HSET. The original reasoning behind using hashed sets instead of just sets is ease of retrieving the records using HSCAN inside a GUI Search…
SavSamoylov
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How to Speed up Frame Rate of Remote Viewer?

So, I built an application that has two parts, the client and the server. The client takes a screenshot, converts that to a byte array, sends that to the server, and then waits for a response to repeat all that. The server takes the byte array,…
J. Doe
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Why does more workers than processors in Multiprocessing Python improve runtime?

I am playing around with concurrent.future in python as a means to understand a few simple implementations that use multiprocessing. However, I've come across a very unexpected result. Before I begin, here are my system details: Computer Type:…
Code Doggo
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App Speed Up and Stop lag

My name is Moncef and i want to know how can i speed up my app because when i tried it on my phone it was lagging to much i have tried to delete the unused codes and images and things like that but it still lagging. and the app is just a Calendar…