Tom Bertalan

Performance on large directories is bad

10

I have a project directory that includes a `node_modules` directory with a couple thousand markdown files. While I believe that a few thousand markdown files should be a doable task,...

After installing, it doesn't return to terminal, it just hangs. Should I kill it? ``` $ obsidian-plugin dev . ✔ Select the vault to develop in › Dropbox ✔ Would...

Strongest neighbors j of cell i means those with the largest magnitude of Aij. RUGE STEUBEN?? See 24.5.3 Algebraic Multigrid from http://jullio.pe.kr/fluent6.1/help/html/ug/node837.htm alternate restriction matrices (ii) that fancy thing that...

``` TEST >>>> test_2d_multifreq /usr/local/lib/python2.6/dist-packages/numpy-1.6.2-py2.6-linux-x86_64.egg/numpy/core/numeric.py:235: ComplexWarning: Casting complex values to real discards the imaginary part return array(a, dtype, copy=False, order=order) Several PNGs made. ```

Probably in a test example somewhere. It's not appearing in the openmg_test.py output now, though.

``` TEST >>>> test_123d_noise_mg /usr/local/lib/python2.6/dist-packages/scipy-0.10.1-py2.6-linux-x86_64.egg/scipy/sparse/linalg/dsolve/linsolve.py:75: DeprecationWarning: scipy.sparse.linalg.dsolve.umfpack will be removed, install scikits.umfpack instead ' install scikits.umfpack instead', DeprecationWarning ) test_1d_noise_mg: final norm is 1.26541164926 test_2d_noise_mg: final norm is 2.9741558992 ```

full multigrid is a bottom up perspective ( fine approximations are corrections for course solutions, or something), as described by Brandt, boundary.

Is it 0-based or 1-based? Only use one. This is important to make sure that only the required number of operators is generated.

Like the one they have in PyAMG, it should use some sort of stencil to define a banded matrix.

The v-cycling threshold parameter should be a relative measure, not an absolute one. That is, It should be the ratio of the RHS norm to the solution norm (or vice-versa?).