Notification
A second ago
Browse all latest questions tagged Performance
As an extremely simple benchmark, I executed the below simple code on PHP 7.0.19-1 and Python 3.5.3 (command line) on the same Raspberry Pi 3 model B. Python's execution time was horrible in comparis...
Often I find myself wanting to get the first object from a queryset in Django, or return None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the mo...
How do parseInt() and Number() behave differently when converting strings to numbers?
Given a class Foo and a property bar, neither of which I know at compile time, I need to repeatedly call the getter Foo.getBar() many, many times. Suppose I have: Method barGetterMethod = ...; // Do...
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the s...
I have two lists in Python: temp1 = ['One', 'Two', 'Three', 'Four'] temp2 = ['One', 'Two'] I want to create a third list with items from the first list which aren't in the second list: temp3 = ['Thr...
I have the following numpy function as seen below that I'm trying to optimize by using JAX but for whatever reason, it's slower. Could someone point out what I can do to improve the performance here?...
The official way, r = praw.Reddit('Comment Scraper 1.0 by u/_Daimon_ see ' 'https://praw.readthedocs.org/en/latest/' 'pages/comment_parsing.html') submission = r.get...
I'm working on a Project Euler problem: the one about the sum of the even Fibonacci numbers. My code: def Fibonacci(n): if n == 0: return 0 elif n == 1: return 1 else:...
I've noticed that when playing audio in java, MarkSweepCompact stage in gc is too long and results in short periods of silence, which is unacceptable. So I need to use a low pause gc. I've tried Paral...
I am evaluating different data from a textfile in a rather large algorithm. If the text file contains more than datapoints (the minimum I need is sth. like 1.3 million datapoints) it gives the follow...
I have defined a python class named Edge as follows: class Edge: def __init__(self): self.node1 = 0 self.node2 = 0 self.weight = 0 Now I have to create approximately 10^...
Hey Everybody! So i've had JQGrid in my application for a while now and the speed of the grid hasnt really bothered me up until I started optimization. If find that even if I have a small grid (20 i...
I have a small Python script which sends POST requests to a server and gets their response. It iterates 10000 times, and I managed to print the current progress in command prompt using: code=current...
I want to write some tests to analyse the efficiency of different operations in python, namely a comparison of dictionary comprehensions and dict generators. To test this out, I thought I would try a...