numbagoogle-colaboratorynumba-pro

How to use numba in Colaboratory

Anybody tried to use numba in google collaboratory? I just can not figure out how to set it up in this environment. At the moment, I'm stuck with the error library nvvm not found.

Solution

  • Copy this code into cell. It works for me.

    !apt-get install nvidia-cuda-toolkit
!pip3 install numba

import os
os.environ['NUMBAPRO_LIBDEVICE'] = "/usr/lib/nvidia-cuda-toolkit/libdevice"
os.environ['NUMBAPRO_NVVM'] = "/usr/lib/x86_64-linux-gnu/libnvvm.so"

from numba import cuda
import numpy as np
import time

@cuda.jit
def hello(data):
    data[cuda.blockIdx.x, cuda.threadIdx.x] = cuda.blockIdx.x

numBlocks = 5
threadsPerBlock = 10

data = np.ones((numBlocks, threadsPerBlock), dtype=np.uint8)

hello[numBlocks, threadsPerBlock](data)

print(data)