Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Sample Data are stored in a relational database.
A perl script is run to retrieve events located in a region defined by ra_max, dec_max, ra_min,dec_min. (typically 32x32 degrees).
The time spent by the query as well as the number of events found are kept.
The query is launched 100 times, statistics are output.

Section
Column

Image Modified

Column

On the X axis is the dimension : a value of 16 defines a square of 32x32 degrees.
The Y axis indicates the time in milliseconds.
The crosshairs show the number of events found divided by 10.

Details are available on this page.

...