Comment 15 for bug 981210

Hey,

I have Qt 4.6.1 installed on my computer, which I know isn't the
version which ships with Mixxx any more but I was able to test on a
mid-2010 macbook pro, OSX 10.7.4.

The 4 mean values it displays are:

881ns 966ns
499ns 545ns

Adam

On 8 December 2012 14:21, Daniel Schürmann <email address hidden> wrote:
> Hello,
>
> Now we have results from various Win and Linux.
>
> Is there one who what's to run the test on Mac OS and Win7?
> Than we can finally decide how to fix this bug.
>
> Please help, thank you!
>
> The test source can be found at
> https://bugs.launchpad.net/mixxx/+bug/981210.
>
> Kind regards,
>
> Daniel
>
>
>
>
>
> 2012/12/4 Daniel Schürmann <email address hidden>
>>
>> Hello,
>>
>> Please do not use the attached Project from my last Post. Max found out
>> that the results are not reliable.
>> I have prepared a improved version attached to
>> https://bugs.launchpad.net/mixxx/+bug/981210,
>>
>> Thank you,
>>
>> Daniel
>>
>>
>>
>> 2012/12/4 Daniel Schürmann <email address hidden>
>>>
>>> Hello,
>>> when working on https://bugs.launchpad.net/mixxx/+bug/981210, It turns
>>> out that at least on my hardware QPixamp is drawed slower than QImage. This
>>> seems differ to that, what is stated in the Qt documentation.
>>>
>>> Attached you will find a test QT project which shows the issue with two
>>> Mixxx logos.
>>> I would be pleased if you can post your results at
>>> https://bugs.launchpad.net/mixxx/+bug/981210, so we are able to decide how
>>> we will fix this bug.
>>>
>>> My results are:
>>> Qt4.8 Ubuntu Precise, nVidia 310.19, NVS 3100M:
>>> QPixamp: min 38 µs mean 115 µs
>>> QImage: min 22 µs mean 58 µs
>>>
>>> Qt4.8 WinXp in a VBox
>>> QPixamp: mean 55 µs
>>> QImage: mean 39 µs
>>> (It seams there is a Problem with Timing measurement in the VBox because
>>> the Minimum Values are about 0.)
>>>
>>> Thank You
>>>
>>> Daniel
>>>
>>>
>>
>
>
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