Driver: GTiff/GeoTIFF
Files: nans_32.tif
Size is 10000, 10000
Coordinate System is `'
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,10000.0)
Upper Right (10000.0,    0.0)
Lower Right (10000.0,10000.0)
Center      ( 5000.0, 5000.0)
Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
  Minimum=nan, Maximum=nan, Mean=nan, StdDev=nan
  Metadata:
    STATISTICS_MINIMUM=nan
    STATISTICS_MAXIMUM=nan
    STATISTICS_MEAN=nan
    STATISTICS_STDDEV=nan

real    0m12.596s
user    0m3.576s
sys     0m0.744s
even@pc-amd64:~/downloads/mapserver/gdal.svn.commit/gdal$  time gdalinfo -stats nans_32.tif
Driver: GTiff/GeoTIFF
Files: nans_32.tif
Size is 10000, 10000
Coordinate System is `'
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,10000.0)
Upper Right (10000.0,    0.0)
Lower Right (10000.0,10000.0)
Center      ( 5000.0, 5000.0)
Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
  Minimum=nan, Maximum=nan, Mean=nan, StdDev=nan
  Metadata:
    STATISTICS_MINIMUM=nan
    STATISTICS_MAXIMUM=nan
    STATISTICS_MEAN=nan
    STATISTICS_STDDEV=nan

real    0m11.962s
user    0m3.440s
sys     0m0.704s
even@pc-amd64:~/downloads/mapserver/gdal.svn.commit/gdal$  time gdalinfo -stats nans_32.tif
Driver: GTiff/GeoTIFF
Files: nans_32.tif
Size is 10000, 10000
Coordinate System is `'
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,10000.0)
Upper Right (10000.0,    0.0)
Lower Right (10000.0,10000.0)
Center      ( 5000.0, 5000.0)
Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
  Minimum=nan, Maximum=nan, Mean=nan, StdDev=nan
  Metadata:
    STATISTICS_MINIMUM=nan
    STATISTICS_MAXIMUM=nan
    STATISTICS_MEAN=nan
    STATISTICS_STDDEV=nan

real    0m11.845s
user    0m3.396s
sys     0m0.816s








Driver: GTiff/GeoTIFF
Files: nans_32.tif
Size is 10000, 10000
Coordinate System is `'
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,10000.0)
Upper Right (10000.0,    0.0)
Lower Right (10000.0,10000.0)
Center      ( 5000.0, 5000.0)
Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
  Minimum=nan, Maximum=nan, Mean=nan, StdDev=nan
  Metadata:
    STATISTICS_MINIMUM=nan
    STATISTICS_MAXIMUM=nan
    STATISTICS_MEAN=nan
    STATISTICS_STDDEV=nan

real    0m12.596s
user    0m3.576s
sys     0m0.744s
even@pc-amd64:~/downloads/mapserver/gdal.svn.commit/gdal$  time gdalinfo -stats nans_32.tif
Driver: GTiff/GeoTIFF
Files: nans_32.tif
Size is 10000, 10000
Coordinate System is `'
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,10000.0)
Upper Right (10000.0,    0.0)
Lower Right (10000.0,10000.0)
Center      ( 5000.0, 5000.0)
Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
  Minimum=nan, Maximum=nan, Mean=nan, StdDev=nan
  Metadata:
    STATISTICS_MINIMUM=nan
    STATISTICS_MAXIMUM=nan
    STATISTICS_MEAN=nan
    STATISTICS_STDDEV=nan

real    0m11.962s
user    0m3.440s
sys     0m0.704s
even@pc-amd64:~/downloads/mapserver/gdal.svn.commit/gdal$  time gdalinfo -stats nans_32.tif
Driver: GTiff/GeoTIFF
Files: nans_32.tif
Size is 10000, 10000
Coordinate System is `'
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,10000.0)
Upper Right (10000.0,    0.0)
Lower Right (10000.0,10000.0)
Center      ( 5000.0, 5000.0)
Band 1 Block=10000x1 Type=Float32, ColorInterp=Gray
  Minimum=nan, Maximum=nan, Mean=nan, StdDev=nan
  Metadata:
    STATISTICS_MINIMUM=nan
    STATISTICS_MAXIMUM=nan
    STATISTICS_MEAN=nan
    STATISTICS_STDDEV=nan

real    0m11.845s
user    0m3.396s
sys     0m0.816s