User Mike Dunlavey

39 votes

What are some good strategies for improving the serial performance of my code?

answered Jul 6, 2012 at 13:57

13 votes

Accepted

Profiling CFD code with Callgrind

answered Apr 5, 2012 at 12:37

7 votes

What makes Fortran fast?

answered Jul 12, 2012 at 2:04

7 votes

Why are Runge-Kutta and Euler's method so different?

answered Jul 15, 2015 at 17:29

4 votes

Is providing approximate gradients to a gradient based optimizer useless?

answered Jul 20, 2016 at 19:05

4 votes

Accepted

How can I detect which among N bodies with different velocities will collide?

answered Jul 18, 2012 at 20:59

3 votes

Is it possible to optimise this integration code so that it runs faster?

answered Mar 26, 2014 at 18:31

2 votes

What algorithm for solving a set of stiff ODEs would be easiest to port to high precision floating point arithmetic?

answered Jun 18, 2012 at 12:16

2 votes

Ways of visualizing event data in search of performance issues

answered Sep 12, 2012 at 12:59

2 votes

Comparison of iteration methods: number of iterations vs. cpu time

answered Jun 21, 2013 at 15:15

2 votes

What is the underlying structure of scientific code performance?

answered Sep 2, 2013 at 23:58

1 vote

System Speed - Refactoring

answered May 3, 2012 at 2:43

1 vote

most adequate edit distance for misspellings in names?

answered Aug 12, 2012 at 16:41

1 vote

Finding the minimum hamming distance between a bit vector and any pairwise intersection of multiple bit vectors

answered Apr 22, 2014 at 18:03

Stack Exchange Network

14 Answers

What are some good strategies for improving the serial performance of my code?

Profiling CFD code with Callgrind

What makes Fortran fast?

Why are Runge-Kutta and Euler's method so different?

Is providing approximate gradients to a gradient based optimizer useless?

How can I detect which among N bodies with different velocities will collide?

Is it possible to optimise this integration code so that it runs faster?

What algorithm for solving a set of stiff ODEs would be easiest to port to high precision floating point arithmetic?

Ways of visualizing event data in search of performance issues

Comparison of iteration methods: number of iterations vs. cpu time

What is the underlying structure of scientific code performance?

System Speed - Refactoring

most adequate edit distance for misspellings in names?

Finding the minimum hamming distance between a bit vector and any pairwise intersection of multiple bit vectors