[OpenJDK Rasterizer] AWT & gcc 4.8 optimization options

[Sergey Bylokhov]

Right now I am trying to investigate where the code is affected by these 
options, and also I am trying to investigate possibility of code 
improvement.

On 27.11.15 13:28, Laurent Bourgès wrote:
> Hi,
>
> Just a reminder on this compiler issue.
>
> I tested today the impact of the proposed patch changing compiler
> options for AWT on my machine (i7 gcc 4.8.4):
>
> Without patch (clean build - client libs):
> EllipseTests-fill-true.ser                       1    25    445.220
> 445.336    445.196    0.127    444.944    445.543    25
>
> With patch:
> EllipseTests-fill-true.ser                       1    26    402.889
> 403.861    403.134    0.446    402.603    404.294    26
>
> The impact is very important on this test (large mask fills) ~ 10%
>
> Sergey, could you check on gcc 4.9.2 ?
>
>   Laurent
>
> 2015-10-21 21:04 GMT+02:00 Sergey Bylokhov <Sergey.Bylokhov at oracle.com
> <mailto:Sergey.Bylokhov at oracle.com>>:
>
>     The bug was filed:
>     https://bugs.openjdk.java.net/browse/JDK-8140266
>
>     I will try a few steps before push the current solution:
>     - change the code, so this option will not be necessary.
>     - check other compilers, it seems gcc 4.9.2 will be default for jdk9.
>


-- 
Best regards, Sergey.