#linuxcnc-devel Logs

Feb 10 2018

#linuxcnc-devel Calendar

10:10 AM hazzy1 is now known as hazzy
12:29 PM jepler: forum rebooting
12:37 PM seb_kuzminsky: devoting it to finding dc programs?
12:43 PM jepler: no, needs more RAM
12:44 PM jepler: the valid prefix table grows by ~20x and it already too 4GB for the 7-character prefix table
12:44 PM jepler: but from a 7-character prefix table, I should be able to do 10-character programs, given a week or so
12:46 PM jepler: .. I just bumped the "tmp_table_size" on forum from 16MB to 64MB. With the old default value of 16MB, it looks like about 66% of temporary tables (which are apparently created by e.g., 'JOIN's) were going to disk...
01:03 PM jepler: hm that hasn't made much difference
01:03 PM jepler: +-------------------------+-------+
01:03 PM jepler: | Variable_name | Value |
01:03 PM jepler: +-------------------------+-------+
01:03 PM jepler: | Created_tmp_disk_tables | 4066 |
01:03 PM jepler: | Created_tmp_files | 6 |
01:03 PM jepler: | Created_tmp_tables | 5463 |
01:03 PM jepler: +-------------------------+-------+
08:46 PM jepler: https://fosdem.org/2018/schedule/event/new_gpio_interface_for_linux/ https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git somebody should find out if this works with preempt-rt
08:46 PM jepler: it might cover a big swathe of dumb gpio on the arm boards we hate