Re: new String(byte[]) performance
От | Michael Paesold |
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Тема | Re: new String(byte[]) performance |
Дата | |
Msg-id | 006901c278de$2420aff0$4201a8c0@beeblebrox обсуждение исходный текст |
Ответ на | Re: new String(byte[]) performance (Aaron Mulder <ammulder@alumni.princeton.edu>) |
Список | pgsql-jdbc |
Aaron Mulder <ammulder@alumni.princeton.edu> wrote: > On Mon, 21 Oct 2002, Teofilis Martisius wrote: > > The things that take up most time now is transferring everything over > > network (PG_Stream.receiveTuple if i remember correctly) and allocating > > memmory for byte[] arrays. But I don't know any way to speed them up. > > There is probably room for improvement here under JDK 1.4, if we > want to get really fancy. I think we could manipulate IO buffers to read > directly from the network into byte arrays, rather than reading in from > the network at the hardware level, allocating a new buffer in the program, > and then copying the data from the network buffer to the program buffer. > But of course, IANAIOGuy; I've never actually tried that... :) > > Aaron You are talking about the new IO system in java.nio.*, right? I think there could be a major improvement. On the other hand this would definatly increase the maintenance overhead in the driver. Anyway, what else if not this would be a stronger reason for object oriented programming? ;-) Regards, Michael Paesold
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