On Wed, Sep 14, 2011 at 2:23 PM, Kukjin Kim wrote:
> Siarhei Siamashka wrote:
>> By the way, does anybody have L2C-310 errata list? Is double linefill
>> actually safe to use in r3p0?
>>
> No. it is _not_ safe on EXYNOS4210.
>
> Since L2C-310 ERRTA, current EXYNOS4210 cannot enable double linefill
Siarhei Siamashka wrote:
>
> On Wed, Sep 14, 2011 at 10:57 AM, Kyungmin Park
> wrote:
> > On Wed, Sep 14, 2011 at 4:43 PM, Siarhei Siamashka
> > wrote:
> >> On Wed, Sep 14, 2011 at 9:08 AM, Kyungmin Park
> wrote:
> >>> Hi Siarhei,
> >>>
> >>> Interesting feature, and it's not samsung soc issue,
On Wed, Sep 14, 2011 at 10:57 AM, Kyungmin Park wrote:
> On Wed, Sep 14, 2011 at 4:43 PM, Siarhei Siamashka
> wrote:
>> On Wed, Sep 14, 2011 at 9:08 AM, Kyungmin Park wrote:
>>> Hi Siarhei,
>>>
>>> Interesting feature, and it's not samsung soc issue, so add the arm
>>> mailing list.
>>> It check
On Wed, Sep 14, 2011 at 4:43 PM, Siarhei Siamashka
wrote:
> On Wed, Sep 14, 2011 at 9:08 AM, Kyungmin Park wrote:
>> Hi Siarhei,
>>
>> Interesting feature, and it's not samsung soc issue, so add the arm
>> mailing list.
>> It checked and the see the read performance improvement from 868MiB/s
>> t
On Wed, Sep 14, 2011 at 9:08 AM, Kyungmin Park wrote:
> Hi Siarhei,
>
> Interesting feature, and it's not samsung soc issue, so add the arm
> mailing list.
> It checked and the see the read performance improvement from 868MiB/s
> to 981MiB/s with lmbench.
Maybe lmbench does not try very hard to g
On Wednesday 14 September 2011 11:38 AM, Kyungmin Park wrote:
Hi Siarhei,
Interesting feature, and it's not samsung soc issue, so add the arm
mailing list.
It checked and the see the read performance improvement from 868MiB/s
to 981MiB/s with lmbench.
It's helpful to test other SoC., e.g., OMAP4
Hi Siarhei,
Interesting feature, and it's not samsung soc issue, so add the arm
mailing list.
It checked and the see the read performance improvement from 868MiB/s
to 981MiB/s with lmbench.
It's helpful to test other SoC., e.g., OMAP4, STE and so on.
BTW, why do you set the 27-bit? In my PL310 Sp
Setting "Double linefill enable" bit improves memcpy performance
from ~750 MB/s to ~1150 MB/s when working with large buffers and
also the performance of just anything which may need good memory
bandwidth (for example, software rendered graphics).
Additionally setting "Double linefill on WRAP read
