Eric Giguère

I agree with @nwlambert that we should go without shifted object and simply add the shift in the times. This shift method predate me, but I believe at some time...

Replaced by #1979

Hi Riccardo, Since you also mentioned `Cupy`, please take a look at [qutip-cupy](https://github.com/qutip/qutip-cupy). It a GSoC project @MrRobot2211 did this summer to add gpu support to Qutip. When using it,...

Here are some reading about the data layer in v5 that could be useful: https://jakelishman.github.io/qutip-devguide/ https://binhbar.com/tags/gsoc/

`setup.py` do not add the `-fopenmp` flag on linux. It still use the openmp version of the `CSR * vector` product but without any gain... Our tests only check that...

I added the code to guess Hermiticity in non-constant cases, but it mean some code duplication (or a 2x slowdown.)

`_call` is used for bloch redfield tensor. It allow to skip the overhead of using `Qobj` and can be call from cython space.

@hodgestar, to make it work with HEOM, I had to change `step` to return `rho` directly, (controlled by the `store_ados` options). Could you take a look and tell me if...

It will be added it the next major release.

`svd` is used by `steadystate`. There are no method in common between `Dense` and `CSR`, the default is `solve` for `Dense`, but `spsolve` for `CSR`. All iterative methods are only...