Memory-Mapping Error Example

MEM

from mne import create_info
from mne.io import Raw,RawArray
import numpy as np

for i in range(100):
    raw_info = create_info([str(i) for i in range(100)],25000,['eeg' for _ in range(100)])
    raw = RawArray(np.ones((100,int(1e7))),raw_info)
    raw.save('test%i-raw.fif' %(i))

raw = Raw('test0-raw.fif',preload='test_workfile')
for i in range(100):
    raw2 = Raw('test%i-raw.fif' %(i),preload='test%i_workfile' %(i))
    raw.append(raw2,preload='test%i_workfile' %(i))

new_ch_info = create_info(['Cz'],25000,['eeg'])
ch = RawArray(np.ones((1,int(1e7))),new_ch_info)

raw.add_channels([ch])