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.
8,826 questions
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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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Generate Julia Fractal Image in C++
This is a follow-up question for Generate Mandelbrot Fractal Image in C++ and An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++. Besides Mandelbrot Fractal ...
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Calculate optimal game upgrades, v3
This is the third iteration of the code from Calculate optimal game upgrades, v2 and Calculate optimal game upgrades. I'm looking for suggestions to further optimize this code. A brief summary of the ...
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Interactive simple calculator as a first project. As of now it handles arithmetic, linear and quadratic calculations
This is my very first personal project. I'd like to know what I can improve in this code, with reference to optimization and efficiency.
Here's the code:
...
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Generate Mandelbrot Fractal Image in C++
This is a follow-up question for An Updated Multi-dimensional Image Data Structure with Variadic Template Functions in C++. I am trying to implement Mandelbrot Fractal image generator in C++ in this ...
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FOLLOW-UP to the Strength of a Pyramid Top post with a revised code example
As a follow-up to my previous question, I've decided to post a follow-up question with a revised code that accommodates most of the inputs from the previous question's comments, namely:
Used ...
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Strength of a Pyramid Top
I need to solve the following competitive programming problem from coderun.ru:
Strength of a Pyramid Top
The pyramid consists of n horizontal layers of blocks: the first layer contains n blocks, the ...
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