difftaichi

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How to apply force during for-loop in diffmpm

3

Take the _diffmpm_simple.py_ as an example, I was thinking to add an additional force during the p2g step, that is, （at line 87） `grid_v_in[f, base + offset] += weight *...

lynamer

how to fix field(s) are not placed error

3

So I'm trying to run the examples yet many of the examples throw the error as shown below:(diffmpm as an example) File "diffmpm.py", line 386, in main() File "diffmpm.py", line...

yangyichu

When I read your code, I found something that is not clear enough and may lead to some confusions, so I did a little bit refactoring including: * removed unused...

ifsheldon

I was thinking to detach a variable from gradient computation in ti.kernel. E.g y = copy(x).detach() f(x) = 5x + 6y I hope df/dx = 5, not 11. How can...

wangsd01

CUDA not working

3

``` [Taichi version 0.3.25, cuda 10.0, commit c5ce590f] Using CUDA Device [0]: GeForce GTX 980 Ti Device Compute Capability: 5.2 [E 01/30/20 00:43:20.664] [unified_allocator.cpp:UnifiedAllocator@23] Cuda Error cudaErrorMemoryAllocation: out of memory...

thomhughes

CUDA extremely slow on example where CPU is fast

4

First of all: cool library. I am trying to familiarize myself with it. I tried to make just a simple example. This code makes an image with a black-white gradient,...

juliusbierk

Question about the speed of the billiards example

1

I downloaded this billiards example and it runs for an entire minute to finish? I thought it was something simple that would figure out the solution in 100 iterations, in...

parsarahimi

About the 3D visualization

16

In README, I saw the 3D visualization of `diffmpm3d.py` is super cool https://raw.githubusercontent.com/yuanming-hu/public_files/master/learning/difftaichi/diffmpm3d.gif but when I try to reproduce the result, the code only produced `.bin` files. I am wondering...

liusida

I was debugging some modifications I made to mass_spring.py when I realized that the result of each run is non-deterministic. I went back to the original mass_spring.py and made sure...

ehannigan

Mass spring initialization conditions

1

Why is there a cyclical component to the actuation function here? Otherwise does the nn controller not learn a time dependent control signal? https://github.com/yuanming-hu/difftaichi/blob/master/examples/mass_spring.py#L107

tbarton16