[GRASS-dev] [GRASS GIS] #2750: LZ4 when writing raster rows; better than double I/O bound r.mapcalc speed

GRASS GIS trac at osgeo.org
Sat Oct 3 09:24:38 PDT 2015


#2750: LZ4 when writing raster rows; better than double I/O bound r.mapcalc speed
--------------------------+---------------------------
  Reporter:  sprice       |      Owner:  grass-dev@…
      Type:  enhancement  |     Status:  new
  Priority:  normal       |  Milestone:  7.1.0
 Component:  Raster       |    Version:  svn-trunk
Resolution:               |   Keywords:  ZLIB LZ4 ZSTD
       CPU:  OSX/Intel    |   Platform:  MacOSX
--------------------------+---------------------------

Comment (by neteler):

 Replying to [comment:1 sprice]:
 > I've gone ahead and added code to also compress FCELL/DCELL.

 Great!

 A question: is the NULL file also compressed (see the related ticket
 #2349) with the new compression algorithm? This would be important - I
 could not yet check your patches myself.

--
Ticket URL: <https://trac.osgeo.org/grass/ticket/2750#comment:3>
GRASS GIS <https://grass.osgeo.org>



More information about the grass-dev mailing list