Horton

Re: JIT compiling with LLVM v12.2

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Thomas Munro <thomas.munro@enterprisedb.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2018-03-21T02:41:31Z
Lists: pgsql-hackers 
On 2018-03-20 19:29:55 -0700, Andres Freund wrote:
> Hi,
> 
> On 2018-03-21 15:22:08 +1300, Thomas Munro wrote:
> > Somehow your configure test correctly concludes that my $CC (clang
> > 4.0) doesn't support -fexcess-precision=standard but that my $CXX
> > (clang++ 4.0) does, despite producing a nearly identical warning:
> 
> Yea, there was a copy & pasto (s/ac_c_werror_flag/ac_cxx_werror_flag/),
> sorry. If you rebase onto the committed version, it should work?  I'll
> push a version rebased of the jit tree soon.

Well, or not. Seems git.pg.o is down atm:

debug1: Next authentication method: publickey
debug1: Offering public key: RSA SHA256:cMbSa8YBm8AgaIeMtCSFvvPDrrrdadCxzQaFiWFe+7c /home/andres/.ssh/id_rsa
debug1: Server accepts key: pkalg ssh-rsa blen 277
<hang>

Will try tomorrow.

Greetings,

Andres Freund

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".