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

[GRASS GIS]

#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:  7.2.1
 Component:  Raster       |    Version:  svn-trunk
Resolution:               |   Keywords:  ZLIB LZ4 ZSTD
       CPU:  OSX/Intel    |   Platform:  MacOSX
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Comment (by mmetz):

 Replying to [comment:59 neteler]:
 > Replying to [comment:58 mmetz]:
 > > Maybe some documentation that BZIP2 is not always providing the
 highest compression ratio, it needs to be evaluated for each dataset
 separately.
 >
 > Probably the notes on BZIP2 are sufficient here?
 >
 > https://grass.osgeo.org/grass72/manuals/r.compress.html#compression-
 algorithm-details

 and here

 https://grass.osgeo.org/grass72/manuals/rasterintro.html#raster-
 compression

 That should be sufficient.

 Notes on NULL file compression could be added to the raster intro.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2750#comment:60>
GRASS GIS <https://grass.osgeo.org>