test_cuda | simple script to test if there is any GPU memory | GPU library
kandi X-RAY | test_cuda Summary
kandi X-RAY | test_cuda Summary
A simple script to test if there is any GPU memory available.
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QUESTION
I have a custom CUDA extension for pytorch (https://pytorch.org/tutorials/advanced/cpp_extension.html), which used to work fine with pytorch1.4, CUDA10.1, and Titan Xp GPUs. However, recently we changed our system to new A40 GPUs and CUDA11.1. When I try to build my custom pytorch extension using CUDA11.1, pytorch 1.8.1, gcc 9.3.0, and Ubuntu 20.04 I get the following errors:
...ANSWER
Answered 2021-May-10 at 13:55I found the issue. The Intel MKL module wasn't loaded properly and caused the error. After fixing this the compilation worked just fine also with CUDA 11.1 and pytorch 1.8.1!
QUESTION
I've just finished to refactor my program to use cublasLt lib for GEMM and I fell into a CUBLAS_STATUS_INVALID_VALUE when executing cublasLtMatmulAlgoGetHeuristic
in the function below.
CudaMatrix.cu:product
...ANSWER
Answered 2020-Mar-16 at 12:01I did 2 mistakes
The matrixLayout
was not properly set, I wrote a function to write it before each multiplication based on the op
applied to the matrix.
Additionally I put the matrix memory row major instead of column major.
Now the code is working well for square and non square product and row major memory.
cublaslt_mat_mul.cu
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Install test_cuda
You can use test_cuda like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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