Re: JIT compiling with LLVM v12

Amit Langote <langote_amit_f8@lab.ntt.co.jp>

From: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
To: Michael Paquier <michael@paquier.xyz>, David Steele <david@pgmasters.net>
Cc: Andres Freund <andres@anarazel.de>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, pgsql-hackers@postgresql.org
Date: 2018-03-29T00:59:56Z
Lists: pgsql-hackers
On 2018/03/29 9:35, Michael Paquier wrote:
> On Wed, Mar 28, 2018 at 06:24:53PM -0400, David Steele wrote:
>> On 3/28/18 6:09 PM, Andres Freund wrote:
>>> Hah! Happy to, if there's enough people interested.  I've a talk about
>>> it too (state of jit, 2018 edition), but I wasn't planning to go into
>>> too low level details. More about what is good, what is bad, and how we
>>> make it better ;)
>>
>> +1 for an unconference session.  This is some seriously cool stuff.
> 
> Take room for two sessions then, with a break in-between to give enough
> time to people to recover from the damage of the first session :)
> 
> Jokes apart, an unconference session at PGcon would be great.

+1

Thanks,
Amit



Commits

  1. Improve JIT docs.

  2. Add documentation for the JIT feature.

  3. Add EXPLAIN support for JIT.

  4. Add inlining support to LLVM JIT provider.

  5. JIT tuple deforming in LLVM JIT provider.

  6. Add FIELDNO_* macro designating offset into structs required for JIT.

  7. Add expression compilation support to LLVM JIT provider.

  8. Expand list of synchronized types and functions in LLVM JIT provider.

  9. Add helpers for emitting LLVM IR.

  10. Basic planner and executor integration for JIT.

  11. Debugging and profiling support for LLVM JIT provider.

  12. Support for optimizing and emitting code in LLVM JIT provider.

  13. Add file containing extensions of the LLVM C API.

  14. Basic JIT provider and error handling infrastructure.

  15. Add configure infrastructure (--with-llvm) to enable LLVM support.

  16. Add C++ support to configure.

  17. Add PGAC_PROG_VARCC_VARFLAGS_OPT autoconf macro.

  18. Fix VM buffer pin management in heap_lock_updated_tuple_rec().

  19. Allow tupleslots to have a fixed tupledesc, use in executor nodes.

  20. Expression evaluation based aggregate transition invocation.

  21. Perform slot validity checks in a separate pass over expression.

  22. Rely on executor utils to build targetlist for DML RETURNING.

  23. Refer to OS X as "macOS", except for the port name which is still "darwin".