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Using this arrayfire release (https://arrayfire.s3.amazonaws.com/3.8.0/ArrayFire-v3.8.0_Linux_x86_64.sh) on the opencl backend with the python api I get the following error.
import arrayfire as af
af.set_backend('opencl')
random_signal = af.random.randn(100)
test = af.signal.fft(random_signal)Error
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
<ipython-input-7-a744aa37e707> in <module>
----> 1 test = af.signal.fft(random_signal)
~/miniconda3/envs/af/lib/python3.7/site-packages/arrayfire/signal.py in fft(signal, dim0, scale)
177
178 output = Array()
--> 179 safe_call(backend.get().af_fft(c_pointer(output.arr), signal.arr, c_double_t(scale), c_dim_t(dim0)))
180 return output
181
~/miniconda3/envs/af/lib/python3.7/site-packages/arrayfire/util.py in safe_call(af_error)
77 err_len = c_dim_t(0)
78 backend.get().af_get_last_error(c_pointer(err_str), c_pointer(err_len))
---> 79 raise RuntimeError(to_str(err_str))
80
81 def get_version():
RuntimeError: In function void opencl::fft_inplace(opencl::Array<T>&, int, bool) [with T = cl_float2]
In file src/backend/opencl/fft.cpp:
I'm running Ubuntu 20.04 with Nvidia OpenCL Drivers. I have arrayfire debugging enabled and got the following output when the error occurred.
BUILD LOG
************************************************
<kernel>:19:10: error: expected expression
(float2)(};
^
<kernel>:891:1: error: expected '}'
^
<kernel>:18:32: note: to match this '{'
__constant float2 twiddles[] = {
^
<kernel>:890:2: error: expected ';' after top level declarator
}
^
;
************************************************
FFTGeneratedStockhamAction::compileKernels failed
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