[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
Sun Nov 12 13:54:51 PST 2017


#2750: LZ4 when writing raster rows; better than double I/O bound r.mapcalc speed
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  Reporter:  sprice       |      Owner:  grass-dev@…
      Type:  enhancement  |     Status:  new
  Priority:  normal       |  Milestone:  7.4.0
 Component:  Raster       |    Version:  svn-trunk
Resolution:               |   Keywords:  ZLIB LZ4 ZSTD
       CPU:  OSX/Intel    |   Platform:  MacOSX
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Comment (by Nikos Alexandris):

 Suggested tests implemented at
 https://github.com/NikosAlexandris/test_r_compress. Expectedly, tests will
 work with either `GRASS_COMPRESS_NULLS=0` or `GRASS_COMPRESS_NULLS=1`.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2750#comment:66>
GRASS GIS <https://grass.osgeo.org>



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