User roygvib

66

votes

10

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12k

views

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

performance

Jul 24 at 21:05 Mark Lakata 111

56

votes

4

answers

9k

views

How mature is the “Julia” scientific computing language project?

May 19 at 12:09 Chris Rackauckas 7,001

56

votes

12

answers

33k

views

C++ vs Fortran for HPC

hpc fortran c++ languages

Feb 7 '16 at 16:06 Community♦ 1

42

votes

4

answers

20k

views

What makes Fortran fast?

performance fortran languages

Dec 19 '15 at 13:06 aterrel 3,403

38

votes

7

answers

9k

views

Is it a good idea to use vector<vector<double>> to form a matrix class for high performance scientific computing code?

hpc c++

May 29 at 20:20 Anton Menshov♦ 6,307

36

votes

7

answers

68k

views

Parallelizing a for-loop in Python

python parallel-computing

Sep 3 at 10:34 GertVdE 5,708

35

votes

6

answers

4k

views

Are there simple ways to numerically solve the time-dependent Schrödinger equation?

quantum-mechanics computational-physics

Jul 31 '18 at 8:36 Emilio Pisanty 726

29

votes

4

answers

2k

views

What tools or approaches are available to speed up code written in Python?

performance python

Jun 4 '17 at 5:53 denfromufa 527

27

votes

8

answers

5k

views

Which package should I use to wrap Modern Fortran Code with Python?

python fortran

Jun 23 '16 at 2:48 Community♦ 1

26

votes

10

answers

7k

views

Robust algorithm for $2 \times 2$ SVD

linear-algebra matrix reference-request svd matrix-factorization

Oct 22 at 12:01 Pedro Gimeno 291

25

votes

3

answers

19k

views

BFGS vs. Conjugate Gradient Method

optimization conjugate-gradient

Nov 15 '13 at 10:01 Community♦ 1

22

votes

1

answer

16k

views

What is the preferred and efficient approach for interpolating multidimensional data?

python performance interpolation delaunay-triangulation extrapolation

Jun 23 '16 at 2:42 Community♦ 1

22

votes

8

answers

3k

views

Modern C++ in scientific computing?

c++ reference-request

Jun 27 '17 at 2:43 Henri Menke 375

20

votes

10

answers

12k

views

Fast, lightweight C++ tensor library for dimension-agnostic code

c++ libraries tensor

Sep 1 at 12:13 Jakub Klinkovský 432

19

votes

4

answers

2k

views

Numeric Quadrature with Derivatives

quadrature error-estimation

Jun 8 '16 at 15:02 Lysistrata 189

19

votes

6

answers

952

views

How do I write dimensionally agnostic code?

algorithms software fortran

Nov 1 '17 at 6:02 Chris Rackauckas 7,001

18

votes

5

answers

2k

views

Parallel Scientific Computation Software Development Language?

python hpc c++ fortran simulation

Apr 1 '14 at 21:35 Community♦ 1

18

votes

2

answers

7k

views

F2Py with allocatable and assumed shape arrays

python fortran

May 11 '14 at 22:05 Community♦ 1

17

votes

6

answers

37k

views

Python vs FORTRAN

python fortran

Oct 1 '14 at 15:43 Community♦ 1

17

votes

6

answers

3k

views

To what extent is generic and meta-programming using C++ templates useful in computational science?

performance c++ programming-paradigms

Dec 14 '17 at 0:14 cdcdcd 101

16

votes

4

answers

3k

views

Should I rent computing resources, or buy my own computers

hpc

Jun 20 '15 at 13:38 Marcel Valdez Orozco 131

16

votes

3

answers

768

views

Strategies for unit testing and test-driven development

testing

Jun 4 '15 at 0:53 Community♦ 1

15

votes

5

answers

4k

views

Parallel optimization algorithms for a problem with very expensive objective function

optimization parallel-computing

Jan 10 '17 at 4:16 Chris Rackauckas 7,001

13

votes

1

answer

3k

views

Strong vs. weak solutions of PDEs

pde weak-solution

1d ago Christian Clason 11.1k

13

votes

3

answers

841

views

Role of the numerical flux in DG-FEM

finite-element discontinuous-galerkin

Feb 6 at 4:37 Reid.Atcheson 3,028

13

votes

1

answer

831

views

How is Krylov-accelerated Multigrid (using MG as a preconditioner) motivated?

linear-algebra linear-solver multigrid krylov-method

Sep 22 '15 at 20:24 Community♦ 1

13

votes

3

answers

1k

views

Best practice for storing hierarchical simulation data

data-management data-storage data-analysis

Nov 2 '17 at 22:18 Richmond Newman 41

12

votes

1

answer

1k

views

How exactly does the full multigrid algorithm run?

multigrid

Dec 31 '12 at 16:52 Jed Brown 24.2k

11

votes

3

answers

1k

views

Numerically stable explicit solution of small linear system

linear-algebra ode

Mar 14 '13 at 16:32 Geoff Oxberry 28.3k

11

votes

6

answers

5k

views

Finite differences on domains with irregular boundaries

pde finite-difference

Jul 14 '17 at 13:30 Philip Roe 455

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124 Favorites

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

How mature is the “Julia” scientific computing language project?

C++ vs Fortran for HPC

What makes Fortran fast?

Is it a good idea to use vector<vector<double>> to form a matrix class for high performance scientific computing code?

Parallelizing a for-loop in Python

Are there simple ways to numerically solve the time-dependent Schrödinger equation?

What tools or approaches are available to speed up code written in Python?

Which package should I use to wrap Modern Fortran Code with Python?

Robust algorithm for $2 \times 2$ SVD

BFGS vs. Conjugate Gradient Method

What is the preferred and efficient approach for interpolating multidimensional data?

Modern C++ in scientific computing?

Fast, lightweight C++ tensor library for dimension-agnostic code

Numeric Quadrature with Derivatives

How do I write dimensionally agnostic code?

Parallel Scientific Computation Software Development Language?

F2Py with allocatable and assumed shape arrays

Python vs FORTRAN

To what extent is generic and meta-programming using C++ templates useful in computational science?

Should I rent computing resources, or buy my own computers

Strategies for unit testing and test-driven development

Parallel optimization algorithms for a problem with very expensive objective function

Strong vs. weak solutions of PDEs

Role of the numerical flux in DG-FEM

How is Krylov-accelerated Multigrid (using MG as a preconditioner) motivated?

Best practice for storing hierarchical simulation data

How exactly does the full multigrid algorithm run?

Numerically stable explicit solution of small linear system

Finite differences on domains with irregular boundaries