Re: [HACKERS] Base64 decode/encode performance

2008-09-10 Thread Martijn van Oosterhout
On Wed, Sep 10, 2008 at 10:44:00AM -0400, Mark Mielke wrote: > >There are 2 killer problems: > > > >- decode does not seem to handle architectures that segfault > > on unaligned int32 accesses. > > Out of curiosity - does this problem exist on any platform for which > PostgreSQL is currently por

Re: [HACKERS] Base64 decode/encode performance

2008-09-10 Thread tomas
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Wed, Sep 10, 2008 at 10:44:00AM -0400, Mark Mielke wrote: > Marko Kreen wrote: [...] >> - decode does not seem to handle architectures that segfault >> on unaligned int32 accesses. > > Out of curiosity - does this problem exist on any platform for

Re: [HACKERS] Base64 decode/encode performance

2008-09-10 Thread Mark Mielke
Marko Kreen wrote: (Note: the b64encode there reads 3 chars at a time, b64decode int32 at a time.) There are 2 killer problems: - decode does not seem to handle architectures that segfault on unaligned int32 accesses. Out of curiosity - does this problem exist on any platform for which Pos

Re: [HACKERS] Base64 decode/encode performance

2008-09-10 Thread Marko Kreen
On 9/10/08, Gaetano Mendola <[EMAIL PROTECTED]> wrote: > I have been experimenting with some base64 encoding/decoding implementation. > > I find out that the one at http://code.google.com/p/stringencoders is the > best > obtaining a 1.3 speedup vs the postgres one. > > Do you think is worth to

[HACKERS] Base64 decode/encode performance

2008-09-10 Thread Gaetano Mendola
Hi, I have been experimenting with some base64 encoding/decoding implementation. I find out that the one at http://code.google.com/p/stringencoders is the best obtaining a 1.3 speedup vs the postgres one. Do you think is worth to submit a patch that replaces the postgres base64 implementation wi