The code of the "oneapi_load_kernels" function before this modification
was loading kernels and compiling them, if needed, for all devices in
the associated GPU context. This makes sense for one GPU execution
scenario, as well as for execution scenario of multi identical GPU,
but in cases where Blender users have several different GPUs in
render, the previous implementation would compile all kernels
for all devices for each device, unnecessarily doing the same
work multiple times. Because of this, I am changing the
implementation so that now compilation happens only for the used
device per used device, ensuring that no unnecessary work is done.
No render performance changes are expected.
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