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From: =?UTF-8?Q?Arne_Vajh=c3=b8j?= <arne@vajhoej.dk>
Newsgroups: comp.lang.java.programmer
Subject: Re: Jigsaw
Date: Fri, 28 Apr 2017 08:18:53 -0400
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On 4/28/2017 6:30 AM, j4n bur53 wrote:
> Arne Vajhøj schrieb:
>> On 4/27/2017 6:43 PM, j4n bur53 wrote:
>>> JDK 8: Total    in 5994    (44 gc) ms
>>> JDK 9: Total    in 9668    (16 gc) ms
>> That is a huge difference.
>>
>> I don't see such a big difference when I do my benchmark.
 >
> Maybe a problem with GC throughput,
>
> the faster JDK does 4 times more GC.
>
> I am testing on a 8-core machine.

Could be. My benchmark is compute intensive but
not so much GC intensive.

Sorry to ask, but are you tests using the same GC?

(if I remember correct then the default in 8 is
parallel and the default in 9 is G1)

Arne