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

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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

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John David Anglin  dave.anglin@xxxxxxxx

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