[fpc-devel] Improving i8086 performance..
trixter at oldskool.org
Fri Jan 3 00:14:42 CET 2014
On 1/2/2014 4:52 PM, Nikolay Nikolov wrote:
> Here are the results from my 286:
A small reminder: The MUL/IMUL/DIV/IDIV speed was increased an order of
magnitude from the 8088/8086 to the 80286. On 8086 a MUL is roughly 115
cycles; on 80286 it's 21. (on 386, it can be as low as 9)
Just thought I'd mention it since the thread was originally about i8086.
Jim Leonard (trixter at oldskool.org)
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