Slides for our presentation at the Bucharest Technology Week

Zoltán Majó zoltan.majo at
Mon May 30 12:44:27 UTC 2016

Hi Rémi,

On 05/30/2016 02:36 PM, Remi Forax wrote:
> Hi Tobias,
> very nice set of slides, better than mine on tiered compilation.

thank you for the positive feedback!

> I think you should upload it on the Hotspot wiki for the future generation.

Good idea! We'll ask our colleagues on how to go about that. We'll keep 
you posted.

Thank you and best regards,


> There is one thing which is not clear to me at the end of the second part,
> in the LogLineBench, what policy did you use for String concatenation, is it one that use a StringBuilder or one that use method handles ?
> and BTW, part of the 'bloat' in the code cache also comes from the lambda forms compilation.
> regards,
> Rémi
> ----- Mail original -----
>> De: "Tobias Hartmann" <tobias.hartmann at>
>> À: "Vladimir Ivanov" <vladimir.x.ivanov at>
>> Cc: hotspot-compiler-dev at, "hotspot compiler staff ww grp" <hotspot_compiler_staff_ww_grp at>
>> Envoyé: Lundi 30 Mai 2016 12:21:06
>> Objet: Re: Slides for our presentation at the Bucharest Technology Week
>> Hi Vladimir,
>> On 30.05.2016 12:04, Vladimir Ivanov wrote:
>>> Nice slide deck!
>>> I suggest to post the link on open list as well.
>> Thank you! I CC'ed hotspot-compiler-dev.
>> Best regards,
>> Tobias
>>> On 5/30/16 10:12 AM, Tobias Hartmann wrote:
>>>> Hi,
>>>> Zoltan and I gave a talk about "The Java HotSpot VM - Under the Hood" at
>>>> the Bucharest Tech Week [1] last Friday. We introduced the (compiler)
>>>> internals of the VM and presented two of the new features for JDK 9
>>>> (Segmented Code Cache and Compact Strings).
>>>> In case you are interested, here are the slides:
>>>> Best regards,
>>>> Tobias
>>>> [1]

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