Number of Bits Written to Memory - Protocol Buffers

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Message from discussion Number of Bits Written to Memory
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From: Kenton Varda <ken...@google.com>
Date: Tue, 22 Feb 2011 10:20:26 -0800
Message-ID: <AANLkTimy=95g85QmPGTQbjqD_EtTMi6rgo3+YV96P...@mail.gmail.com>
Subject: Re: [protobuf] Number of Bits Written to Memory
To: Tanya <turtle...@gmail.com>
Cc: Protocol Buffers <protobuf@googlegroups.com>
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Protobufs provide their own encoding.  You can't control exactly how the
bytes are written, unless you write your own encoder, which would defeat the
purpose.

On Thu, Feb 3, 2011 at 8:58 AM, Tanya <turtle...@gmail.com> wrote:

> Hi, we are looking at replacing a XML/JAXB project with something
> similar to protocol buffers, especially since it's multi-platform, but
> there are a couple of concerns we have seen that would prevent us from
> switching. I'd like to verify that what we think is actually true
> before passing on what seems to be a very cool solution Google has
> come up with.
>
> My main question revolves around how the bytes are stored. In our
> current solution, we store by bit, so some items have very strange
> amounts of bits being stored (i.e. 5 bits, 14 bits). We noticed that
> protocol buffers seem to only store by byte or word (very even amounts
> of bits) and have a unique way of encoding.
>
> Basically, we need some way of specifying how the bytes are encoded/
> written to memory, and we need to specify the number of bits written
> each time. Is this possible to do in protocol buffers? And if so, how
> would it be accomplished?
>
> Thanks. Any help is greatly appreciated.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Protocol Buffers" group.
> To post to this group, send email to protobuf@googlegroups.com.
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>
>

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Protobufs provide their own encoding. =A0You can&#39;t control exactly how =
the bytes are written, unless you write your own encoder, which would defea=
t the purpose.<br><br><div class=3D"gmail_quote">On Thu, Feb 3, 2011 at 8:5=
8 AM, Tanya <span dir=3D"ltr">&lt;<a href=3D"mailto:turtle...@gmail.com">tu=
rtle...@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">Hi, we are looking at replacing a XML/JAXB =
project with something<br>
similar to protocol buffers, especially since it&#39;s multi-platform, but<=
br>
there are a couple of concerns we have seen that would prevent us from<br>
switching. I&#39;d like to verify that what we think is actually true<br>
before passing on what seems to be a very cool solution Google has<br>
come up with.<br>
<br>
My main question revolves around how the bytes are stored. In our<br>
current solution, we store by bit, so some items have very strange<br>
amounts of bits being stored (i.e. 5 bits, 14 bits). We noticed that<br>
protocol buffers seem to only store by byte or word (very even amounts<br>
of bits) and have a unique way of encoding.<br>
<br>
Basically, we need some way of specifying how the bytes are encoded/<br>
written to memory, and we need to specify the number of bits written<br>
each time. Is this possible to do in protocol buffers? And if so, how<br>
would it be accomplished?<br>
<br>
Thanks. Any help is greatly appreciated.<br>
<font color=3D"#888888"><br>
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For more options, visit this group at <a href=3D"http://groups.google.com/g=
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tobuf?hl=3Den</a>.<br>
<br>
</font></blockquote></div><br>

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