Hi,
I've spent the last weeks working on my LLVM compilation patchset. In
the course of that I *heavily* revised it. While still a good bit away
from committable, it's IMO definitely not a prototype anymore.
Below are results on my system for Q1 TPC-H scale 10 (~13Gb database)
Options
| Time
|
Default
| 20075 |
jit_expressions=on
| 16105 |
| jit_tuple_deforming=on | 14734 |
jit_perform_inlining=on
| 13441 |
Also I noticed that parallel execution didsables JIT.
At my computer with 4 cores time of Q1 with parallel execution is 6549.
Are there any principle problems with combining JIT and parallel execution?
--
Konstantin Knizhnik
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company