Questions related to improving application performance.
4
votes
0answers
33 views
Haskell Particle Simulation
I recently started learning Haskell and as my first project I decided to port a particle simulation I had written in C.
The simulation is pretty simple. We have a cubic box with particles (spheres) ...
2
votes
1answer
65 views
Linq query performance improvements
As I am getting my Linq query to a functional point, I start looking at the query and think about all the "ANY" , and wonder if those should be a different method and then I have data conversions ...
1
vote
2answers
68 views
Performance: Devide group of numbers into two groups of which the sums are equal
I have a piece of code that devides a group of numbers into two groups of numbers of which the sums are equal.
I created this because of a stackoverflow question: ...
0
votes
0answers
45 views
How to make the code more optimal?
Maybe some of you have an idea how to make the code more optimal? This had to be a little faster, because i cant pass few time tests :/
Unfortunately I can not add tests whose over time because they ...
3
votes
1answer
45 views
Selecting element from a collection based on bitwise-and result
I need to improve this section of code:
uint32_t to_handle = 0;
uint32_t test_const1 = Constraint3::VAL1 + Constraint3::VAL2;
uint32_t test_const2 = Constraint1::VAL2 + ...
1
vote
4answers
92 views
improve this code for pattern
my aim is to design a function with arguments(int m,int n) so that output is like (for m=3,n=5)
3
34
345
34
3
i came up with this code
void func(int m,int n)
{
for(int i=1;i<n-m+2;i++)
{ ...
4
votes
2answers
167 views
How can I memoize or otherwise optimize this code?
The code checks many more conditions like the one below. I was thinking to memoize it, but I can't think about how (writers block). How else could I optimize this? I know it seems silly, but my code ...
2
votes
0answers
58 views
Very fast query selector — did I miss something?
A few months ago, I wrote a query selector that seems to outperform the query selectors in the popular GP libraries by a pretty hefty margin. I'm wondering if I overlooked something; it seems odd that ...
6
votes
2answers
256 views
Speed up solution to Project Euler problem 75
I've been programming for a few months now, and have used Stack Overflow a great deal, but this is my first post. Anyway, I wrote this code for Project Euler problem 75, and was curious if anyone knew ...
2
votes
2answers
77 views
Improving the CRC code with “unsafe features”
I have the following CRC 16 code.
Is it possible to improve the performance of the code with unsafe constructs.
My knowledge about pointer arithmetic is rather limited.
public enum Crc16Mode : ...
4
votes
2answers
162 views
Is there a better way to consume an ASP.NET Web API call in an MVC controller?
In a new project I am creating for my work I am creating a fairly large ASP.NET Web API. The api will be in a separate visual studio solution that also contains all of my business logic and database ...
1
vote
1answer
40 views
Please Review Performance Test and Idea: Initialize a widget
I want to extend an app object with a widget that initializes itself immediately.
Immediately-Invoked Function Expression:
var app = {};
(function() {
app.widget = {
init: function() {
...
6
votes
2answers
116 views
Generic wrapper for equality and hash implementation: Is there a way I can make it more efficient?
I was writing an answer in another thread and came across this challenge. I'm trying to have a generic class so that I can delegate the routine (and tiring) Equals and GetHashCode implementation to it ...
1
vote
2answers
94 views
What could I have done better with this code from a calendar?
I was writing a calendar a long time ago and, coming back to the code, I've realized that it's not the best. I was fairly mediocre at programming back then.
I'm using jQuery, Mousetrap, and ...
3
votes
2answers
109 views
Optimizing unboxed array operations in Haskell
Consider this simplified code which successively permutes array elements:
import Data.Word
import Data.Bits
import Data.Array.Unboxed
import Data.Array.Base
import Data.Array.ST
test3 :: UArray Int ...
