[Vm-dev] BMPReadWriterPlugin , do we really need it?
andreas.raab at gmx.de
Wed Dec 22 09:47:42 UTC 2010
On 12/22/2010 12:49 AM, John M McIntosh wrote:
> This would depend on *if* your JPEG test is using the JPEG primitives, or is it using the software jpeg logic (with slight primitive optimization).
The comparison is with libjpeg and libpng. If you don't use those you
loose big time.
> On 2010-12-22, at 12:30 AM, Andreas Raab wrote:
>> On 12/21/2010 11:40 PM, Igor Stasenko wrote:
>>> One of the reasons why this format are so slow, because reading 10x
>>> times more data from hard disk
>>> takes 10x more time than reading 1x data and unpacking it.
>> Simply not true. Run the benchmarks. PNG and BMP are roughly equal; JPEG is quite a bit slower.
>> - Andreas
> John M. McIntosh<johnmci at smalltalkconsulting.com> Twitter: squeaker68882
> Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com
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