Re: C3600 kernel/64bit 4.* slow IO due to -mlong-calls

Thu, 15 Mar 2018 13:52:35 -0700 

On 2018-03-15 4:43 PM, Helge Deller wrote:

kernel  gcc     binutils    with mlong    without mlong
4.15.7  4.9.3   2.25.1     13.4 MB/s    27.0 MB/s
4.15.7  6.4.0   2.25.1     13.4 MB/s    27.0 MB/s
4.15.7  6.4.0   2.29.1     14.4 MB/s    25.0 MB/s

Interesting bad results!
It's hard to understand why the performance would deteriorate so much but I see essentially 
the same behavior.

Dave

--
John David Anglin  [email protected]

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