Hey, Do you have any measurements of how much bandwidth is saved on each channel type on basic usage of linux/windows guests? Ideally, with numbers about additional CPU usage and added latency? Christophe On Thu, Mar 02, 2017 at 06:53:23PM +0200, Snir Sheriber wrote: > This series of patches allows compression of messages over > selected spice channels > > Few notes: > > *Currently lz4 stream and regular compression are in use for small and large > messages accordingly. packets are being sent in common msg type that was added, > and it utilize previous compressed message structure. > > *The stream compression & decompression dictionary is based on previous messages, > there for messages that has compressed\decompressed in stream mode are being saved > in continuous pre-allocated buffer and a pointer is used for tracking current > position. > > *Currently all channels are allowed to be compressed, we might want to avoid > compression for some channels (for good or just in specific cases) ***please > notice that usbredir compression was not revert yet so meanwhile i added 2 small > patches to disable its compression caps. > > *Multiple clients- basically it should work with more than one client, although adding > compression/decompression to just part of the clients could theoretically make it > worse (good for compression performance testing though) > > -If someone has encountered issues with the combination of compression and other spice features please let me know > -Suggestions and comments are welcome, especially for improving the messages sending :) > > Snir. > > Spice components: > server,client,spice-common,spice-protocol > > -- > 2.9.3 > > _______________________________________________ > Spice-devel mailing list > Spice-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/spice-devel
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