How to speed up 6678700 patching process

Hello Gurus,

Please help me to understand the parameters to be set at DB end to speed up
the NLS driver patching process.
we are upgrading 11.5.9 to R12.1.1 on RHEL5. I applied the patch
8576725<https://updates.oracle.com/ARULink/PatchDetails/process_form?patch_num=8576725>
to
fix the bug as per note: [ID 839978.1].
We have 16G memory and 4CPU machine. Below is my SGA settings

SQL> show sga

Total System Global Area 5678776320 bytes
Fixed Size                  2213336 bytes
Variable Size            4496296488 bytes
Database Buffers         1140850688 bytes
Redo Buffers               39415808 bytes
SQL>


Thanks in Advance

Regards,
Avadhani

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