User roygvib

66

votes

10

answers

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

12

answers

33k

views

C++ vs Fortran for HPC

Feb 7 '16 at 16:06 Community♦ 1

55

votes

4

answers

8k

views

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

parallel-computing languages julia

May 19 at 12:09 Chris Rackauckas 6,673

41

votes

4

answers

19k

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What makes Fortran fast?

performance fortran languages

Dec 19 '15 at 13:06 aterrel 3,333

35

votes

7

answers

64k

views

Parallelizing a for-loop in Python

python parallel-computing

Sep 3 at 10:34 GertVdE 5,598

35

votes

7

answers

8k

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♦ 5,853

34

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 456

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 412

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

1d ago 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

21

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 387

19

votes

4

answers

1k

views

Numeric Quadrature with Derivatives

quadrature error-estimation

Jun 8 '16 at 15:02 Lysistrata 189

19

votes

6

answers

945

views

How do I write dimensionally agnostic code?

algorithms software fortran

Nov 1 '17 at 6:02 Chris Rackauckas 6,673

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

36k

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

762

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 6,673

13

votes

3

answers

831

views

Role of the numerical flux in DG-FEM

finite-element discontinuous-galerkin

Feb 6 at 4:37 Reid.Atcheson 2,688

13

votes

1

answer

799

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 23.1k

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 25.5k

11

votes

1

answer

3k

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Strong vs. weak solutions of PDEs

pde weak-solution

Jan 6 '16 at 12:39 Christian Clason 11k

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?

C++ vs Fortran for HPC

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

What makes Fortran fast?

Parallelizing a for-loop in Python

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

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

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

Strong vs. weak solutions of PDEs

Finite differences on domains with irregular boundaries