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

2018-03-18 Thread John David Anglin
On 2018-03-16 9:37 AM, John David Anglin wrote: On 2018-03-16 7:25 AM, 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

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

2018-03-16 Thread John David Anglin
On 2018-03-16 7:25 AM, Helge Deller wrote: kernel gcc binutilswith mlongwithout mlong 4.15.7 4.9.3 2.25.1 13.4 MB/s27.0 MB/s 4.15.7 6.4.0 2.25.1 13.4 MB/s27.0 MB/s 4.15.7 6.4.0 2.29.1 14.4 MB/s25.0 MB/s Interesting bad results! It's hard to

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

2018-03-16 Thread Helge Deller
> >> kernel gcc binutilswith mlongwithout mlong > >> 4.15.7 4.9.3 2.25.1 13.4 MB/s27.0 MB/s > >> 4.15.7 6.4.0 2.25.1 13.4 MB/s27.0 MB/s > >> 4.15.7 6.4.0 2.29.1 14.4 MB/s25.0 MB/s > > Interesting bad results! > > > It's hard to understand why the