Texture cache size when rendering with Clarisse Python API

When I use the Python API ix.render_iamge() to render, I found that the size of the texture cache does not take effect. Is there a way to deal with it in the API?
Isotropix Community Forums
https://forum.isotropix.com/
-Input_Output.stream_texture_cache SIZE_IN_MiB
from ix_helper import *
# creating clarisse application (this created an AppObject)
create_application('C:/Program Files/Isotropix/Clarisse iFX 4.0/Clarisse/module')
# loading the miniride project using Clarisse API
ix.load_project('C:/Program Files/Isotropix/Clarisse iFX 4.0/content/canyon/miniride.project')
# launch the evaluation and render the image at the current frame
render = ix.render_image('project://canyon/miniride')
# save the resulting image as a 8 bit PNG
ix.save_png8(render, 'C:/tmp/miniride')
ix.application.get_prefs().get_item("Input_Output", "stream_texture_cache").set_double_value(66560)