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From: Tom Tromey <tromey@redhat.com>
To: Andrew Haley <aph@redhat.com>
Cc: Herman ten Brugge <hermantenbrugge@home.nl>, java@gcc.gnu.org
Subject: Re: very slow jni code callbacks
Date: Mon, 28 Sep 2009 19:01:00 -0000	[thread overview]
Message-ID: <m3iqf2lwps.fsf@fleche.redhat.com> (raw)
In-Reply-To: <4AC0A614.2040108@redhat.com> (Andrew Haley's message of "Mon, 28 	Sep 2009 13:03:32 +0100")

Andrew> This calls _Jv_GetTypesFromSignature, which in turn iterates though
Andrew> all the class loaders looking up the types of all the arguments.
Andrew> But as far as I can see this is a pointless waste of time: the only
Andrew> use of the type of each argument is to determine whether it's a
Andrew> primitive type or not, and we could certainly have done that when
Andrew> we created the jmethodID.

Yeah, this could use some improvement.
Even a variant of _Jv_GetTypesFromSignature that did less work would
help.

Tom

  parent reply	other threads:[~2009-09-28 19:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-27 13:23 Herman ten Brugge
2009-09-28 12:03 ` Andrew Haley
2009-09-28 12:10   ` Bryce McKinlay
2009-09-28 12:13     ` Andrew Haley
2009-09-28 19:01     ` Tom Tromey
2009-09-28 19:01   ` Tom Tromey [this message]
2009-09-28 19:47     ` Herman ten Brugge
2009-09-28 20:13       ` Andrew Haley

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