Hi,
On Thu, Sep 24, 2020 at 11:40 AM Ard Biesheuvel wrote:
>
> On Thu, 24 Sep 2020 at 20:22, Doug Anderson wrote:
> >
> > Hi,
> >
> > On Thu, Sep 24, 2020 at 8:36 AM Ard Biesheuvel wrote:
> > >
> > > On Thu, 24 Sep 2020 at 17:28, Doug Anderson wrote:
> > > >
> > > > On Thu, Sep 24, 2020 at 1:3
On Thu, 24 Sep 2020 at 20:22, Doug Anderson wrote:
>
> Hi,
>
> On Thu, Sep 24, 2020 at 8:36 AM Ard Biesheuvel wrote:
> >
> > On Thu, 24 Sep 2020 at 17:28, Doug Anderson wrote:
> > >
> > > On Thu, Sep 24, 2020 at 1:32 AM Ard Biesheuvel wrote:
> > > >
> > ...
> > > > > > +#define REPS 1
Hi,
On Thu, Sep 24, 2020 at 8:36 AM Ard Biesheuvel wrote:
>
> On Thu, 24 Sep 2020 at 17:28, Doug Anderson wrote:
> >
> > On Thu, Sep 24, 2020 at 1:32 AM Ard Biesheuvel wrote:
> > >
> ...
> > > > > +#define REPS 100
> > > >
> > > > Is this sufficient? I'm not sure what the lower bound
On Thu, 24 Sep 2020 at 17:28, Doug Anderson wrote:
>
> On Thu, Sep 24, 2020 at 1:32 AM Ard Biesheuvel wrote:
> >
...
> > > > +#define REPS 100
> > >
> > > Is this sufficient? I'm not sure what the lower bound on what's
> > > expected of ktime. If I'm doing the math right, on your syst
Hi,
On Thu, Sep 24, 2020 at 1:32 AM Ard Biesheuvel wrote:
>
> On Thu, 24 Sep 2020 at 02:36, Doug Anderson wrote:
> >
> > Hi,
> >
> > On Wed, Sep 23, 2020 at 11:22 AM Ard Biesheuvel wrote:
> > >
> > > Currently, we use the jiffies counter as a time source, by staring at
> > > it until a HZ perio
On Thu, 24 Sep 2020 at 02:36, Doug Anderson wrote:
>
> Hi,
>
> On Wed, Sep 23, 2020 at 11:22 AM Ard Biesheuvel wrote:
> >
> > Currently, we use the jiffies counter as a time source, by staring at
> > it until a HZ period elapses, and then staring at it again and perform
> > as many XOR operations
Hi,
On Wed, Sep 23, 2020 at 11:22 AM Ard Biesheuvel wrote:
>
> Currently, we use the jiffies counter as a time source, by staring at
> it until a HZ period elapses, and then staring at it again and perform
> as many XOR operations as we can at the same time until another HZ
> period elapses, so t
Currently, we use the jiffies counter as a time source, by staring at
it until a HZ period elapses, and then staring at it again and perform
as many XOR operations as we can at the same time until another HZ
period elapses, so that we can calculate the throughput. This takes
longer than necessary,