Why isn't OCR using more CPU power for quicker recognition?

Hello,
I'm currently running OCR (optical character recognition) aka. text recognition in Acrobat Pro XI, and it goes fairly slowly. I am wondering why this process cannot be sped up. I thought maybe this was the maximum capacity of my processor, but this is clearly not the case.
Indeed, the resource usage looks like this:
8% of CPU, about 100-150mb of RAM during OCR.
I would have expected much larger resource consumption for such a computationally heavy task. Indeed, I want more resource usage to get the task done quicker.
I have a Intel Core i7 5820K processor (6-core), and 16GB of DDR4 RAM at 2133mhz. This doesn't seem to be making use of the hardware I purchased.
What can I do to make it faster? Or is this functionality simply not coded in a way that can exploit the full power of my PC?
Thanks.

The hardware is not all that relevant. The local machine can (and typically does) have many processes making demands.
Even if a dedicated, no other features, OCR desktop application is used one would have to kill all the other processes to optimize availability of resources.
For wham-bam performance you'd go with servers and server products.
The slip stream of their passage can rock you. But, such is expensive.
Be well...

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