Questions tagged [performance]
Performance is a subset of Optimization: performance is the goal when you want the execution time of your program or routine to be optimal.
8,829 questions
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Analyze a directory recursively what file types (file extensions) they contain [closed]
Aim
My aim is to analyze a (big) (sub)directory and just find out what file extensions all files have there (recursively).
Additionally, these conditions apply:
I am on Windows, but I could use WSL ...
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Сreating a digital twin of the enterprise
I am creating a program to create digital twins of enterprises. I am using the Simpy framework for this purpose.
I'm creating a universal system that can model almost any enterprise, but I have a ...
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Optimizing DataFrame iteration when generating large hierarchical text files
I have a custom object which stores dataframes in memory given a certain hierarchy, and I want to store this data in a file while maintaining the hierarchy. This hierarchy involved parents, children, ...
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Native Messaging performance test
I put together this Native Messaging performance test to determine based on evidence which programming language, JavaScript engine or runtime, and WebAssembly compiled code is fastest to round trip 1 ...
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Jump point search in Java for faster pathfinding in grid mazes
(Refer to the entire repository in GitHub.)
How it looks like
Intro
This time, I present my take on Jump point search that I translated from Javascript (PathFinding.js/src/finders/JumpPointFinderBase....
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Reed-Solomon LFSR encoder
I'm interested if the code below could be further enhanced for out-of-order execution.
Function inputs:
rcx = pointer to a 2 by 64 byte table to multiply 64 bytes ...
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BRESort - Bitwise Relationship Extraction - Intelligent Adaptive Sorting Engine for 32/64-bit & Floating-Point Data
I want to begin by sincerely thanking the community for the invaluable feedback on my previous BRESort byte-sorting research. Your insights about enums, named constants, loop optimizations, and test ...
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Dijkstra's algorithm for non-uniform undirected hypergraphs: Take II - bidirectional Dijkstra's algorithm with excellent performance
Intro
(See the full repository here.)
A non-uniform undirected hypergraph is a generalization of an undirected graph. It is defined as \$H = (X, E)\$, where \$X\$ is the set of vertices and \$E \...
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My BRESort adaptive sorting engine in C
I've created BRESort - an adaptive sorting engine that dynamically selects
optimal algorithms based on data patterns. It achieves 3.6-4.2x speedup over stdlib qsort ...
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Image Stitching using SIFT Keypoint Descriptor in C++
This is a follow-up question for SIFT Keypoint Detection for Image in C++. With the detected SIFT keypoints of images, image stitching is possible to perform. In this post, the first step is to ...
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Find the smallest semiprime satisfying a bunch of conditions
The purpose of this code is to find the smallest semiprime \$s = a b\$ satisfying a bunch of conditions stated in the Math.SE question What is the smallest "prime" semiprime?. The conditions ...
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LazyColumn compared to RecyclerView in Jetpack Compose
I’m building a simple Food Manager screen using Jetpack Compose.
The UI allows users to:
Select a food category (Fruit, Vegetable, Snack, Drink).
Select an item from that category.
Add the ...
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Collection Utilities for VBA
Background
I am building a complex, standalone class. It has a property called .Mapping, which should behave like a Dictionary.
...
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Creating a fast connect 4 ai solver in JavaScript
I’ve implemented a Connect 4 AI in JavaScript using a Negamax search. My goal is to solve the game completely from the starting position (depth 42). I’m trying to make it as fast as possible and would ...
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Move generation in my C++ chess engine [closed]
I am building a chess engine in C++ and currently working on the move generation. To measure performance I use perft, but my main goal is to make the move generator itself faster.
I already use ...
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