[OpenWeBWorK-devel] Fwd: timing data on WW2.1 (HEAD as of 10.16.2004)

[Sam H. <sh...@ma...>]

Here is some timing data from Mike:

> All of this data was taken on the development machine:  
> devel.webwork.rochester.edu
>
> The quick summary is:
>
>
> Summary:  Taken from data attached. Time is in seconds and is real 
> time, not CPU time,
>  so it is only useful for long processes.  "diff = " measures the time 
> from when the ContentGenerator
> module is called to the time it returns.
>
> Adding  class list of 160 students:
> [Sat Oct 16 10:19:56 2004] 96404 1097936396 - 
> [/webwork2/test_gdbm/instructor/users/] [diff = 3.000000 gdbm]
> [Sat Oct 16 10:36:13 2004] 96406 1097937373 - 
> [/webwork2/test_sql/instructor/users/] [diff = 6.000000 sql]
> [Sat Oct 16 10:20:07 2004] 96403 1097936407 - 
> [/webwork2/test_single_sql/instructor/users/] [diff = 3.000000 
> sql_single]
>
>
> Assign set 1 (12 problems) to 160 users:
> [Sat Oct 16 10:50:11 2004] 96403 1097938211 - 
> [/webwork2/test_gdbm/instructor/sets/1/users/] [diff = 154.000000 
> gdbm]
> [Sat Oct 16 10:47:11 2004] 96406 1097938031 - 
> [/webwork2/test_sql/instructor/sets/1/users/] [diff = 70.000000 sql]
> [Sat Oct 16 10:51:38 2004] 96404 1097938298 - 
> [/webwork2/test_single_sql/instructor/sets/1/users/] [diff = 61.000000 
> sql_single]
>
> Assign 160 users to sets 2, 3, and 4  (41 problems)  (using Instructor 
> tools page)
> [Sat Oct 16 10:50:11 2004] 96403 1097938211 - 
> [/webwork2/test_gdbm/instructor/sets/1/users/] [diff = 154.000000 
> gdbm]
> [Sat Oct 16 10:47:11 2004] 96406 1097938031 - 
> [/webwork2/test_sql/instructor/sets/1/users/] [diff = 70.000000 sql]
> [Sat Oct 16 10:51:38 2004] 96404 1097938298 - 
> [/webwork2/test_single_sql/instructor/sets/1/users/] [diff = 61.000000 
> sql_single]
>
> Assign set 5 (7 problems) to 160 students from the instructor tools 
> page:
> [Sat Oct 16 14:57:39 2004] 96406 1097953059 - 
> [/webwork2/test_gdbm/instructor/assigner/] [diff = 89.000000 gdbm]
> [Sat Oct 16 14:54:57 2004] 96404 1097952897 - 
> [/webwork2/test_sql/instructor/assigner/] [diff = 136.000000 sql]
> [Sat Oct 16 15:17:46 2004] 96406 1097954266 - 
> [/webwork2/test_single_sql/instructor/assigner/] [diff = 65.000000 
> sql_single]
>
>
> score sets 0 to 5:
> [Sat Oct 16 15:44:20 2004] 96406 1097955860 - 
> [/webwork2/test_gdbm/instructor/scoring/] [diff = 67.000000 gdbm]
> [Sat Oct 16 15:46:00 2004] 96406 1097955960 - 
> [/webwork2/test_sql/instructor/scoring/] [diff = 76.000000 sql]
> [Sat Oct 16 15:41:58 2004] 96403 1097955718 - 
> [/webwork2/test_single_sql/instructor/scoring/] [diff = 73.000000 
> sql_single]
>
> view library (setDerivatives1, 30 problems displayMode=images)
> [Sat Oct 16 15:50:43 2004] 96406 1097956243 - 
> [/webwork2/test_gdbm/instructor/setmaker/] [diff = 13.000000 gdbm]
> [Sat Oct 16 15:51:45 2004] 8926 1097956305 - 
> [/webwork2/test_sql/instructor/setmaker/] [diff = 15.000000 sql]
> [Sat Oct 16 15:52:19 2004] 8926 1097956339 - 
> [/webwork2/test_single_sql/instructor/setmaker/] [diff = 17.000000 
> sql_single]
>
> ---- This last one is a bit puzzling.  Why is single_sql slower than 
> sql?
>
> The other readings were all pretty short. It's clear that single_sql 
> speeds up assigning problems.
> It wonder why it doesn't do even better than that.  Why is the library 
> display slow in single_sql?
>
> In general single_sql is at least as good as the competition so there 
> are no deal stoppers.
>
> Take care,
> Mike
>
>