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README.md

FAQ

  • Q: Do you have a FAQ about Taichi available?

    A: Here it is :-)

  • Q: Can a user iterate over irregular topology instead of grids, such as tetrahedra meshes, line segment vertices?

    A: These structures have to be represented using 1D arrays in Taichi. You can still iterate over it using for i in x or for i in range(n). However, there's little the Taichi compiler can do for you to optimize it.

  • Q: Can energies be differentiated natively?

    A: Yes. We do have an example for this.

  • Q: If so, I assume this must be some sort of autodiff process?

    A: Yes, we have an autodiff engine in Taichi.

  • Q: Does the compiler backend support the same quality of optimizations for the GPU and CPU?

    A: Mostly. The CPU/GPU compilation workflow are basically the same, except for vectorization on SIMD CPUs.

  • Q: For instance, if I switch to using the CUDA backend, do I lose the cool hash-table optimizations?

    A: You still have the hask table optimization on GPUs.