On 09/23/2016 10:10 PM, Roman wrote:
В Чт, 22/09/2016 в 12:43 +0200, Jiri Vanek пишет:
Hello good people of Fedora!
Most of you is probably facing very slow java (java-1.8.0-openjdk) on
any arm32 device.
The luckier from you already tuned arm32 boards to not need java at
all.
But behold! The "new"[0] OpenJDK for arm32 crossed milestone when it
can be widely used.
If you need java on your arm32 board, try to replace (or install
alongside) your java-1.8.0-openjdk
special package java-1.8.0-openjdk-aarch32
The theoretical speedup[1] is aprox 100x faster. Practical speedup is
100x speedup, and u think that there will be someone who use java on
I do :)
arm? If serriously, i will try. ty
If nothing else does, koji builders are. And java stack is build for arms.
If no other benefit then 1/10 waiting for arm32 koji builds, then it fulfilled
its purpose.
But I believe the package will have also human-target audience.
hth!
J.
somewhere between 10x-50x (for
now). You can see it in koji:
http://koji.fedoraproject.org/koji/buildinfo?buildID=780150 - java
build by "normal" java on aarch32
- 13 hours
http://koji.fedoraproject.org/koji/buildinfo?buildID=802986 - java
build by "new" java on aarch32 -
2 hours
We have already slowly started to enable virtual java provides:
f24 - no
f25 - java
f26 - java+java-devel
Please *don't* change your specfiles (if any) to something like:
ifarch arm32
BuildRequires java-1.8.0-openjdk-aarch32-devel
else
BuildRequires java-1.8.0-openjdk-devel
fi
You will mess up things a lot. The provides will come with stability
and in longer run the package
will be merged back to java-1.8.0-openjdk packages (as it is still
the same friendly openjdk, just
with different virtual machine)
hth
J.
[0] http://koji.fedoraproject.org/koji/packageinfo?packageID=22627
[1] http://mail.openjdk.java.net/pipermail/aarch32-port-dev/2016-Sept
ember/000440.html
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