tarantool / tarantool/tarantool

luajit: benchmark LuaJIT with LTO

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build feature luajit performance
Dominant language
Lua
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Tarantool version:
all
OS version:
all
Bug description:
While adding LTO support to luajit build #3743, lack of benchmarking became obviuos.
We need to see whether compiling of LuaJIT with LTO gives some gains.
https://gitspartv.github.io/LuaJIT-Benchmarks/
https://lists.tarantool.org/pipermail/tarantool-patches/2020-June/017719.html

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Review the LTO work referenced by issue #3743 and the linked LuaJIT benchmark results first. Determine how to benchmark LuaJIT builds with and without LTO across the supported configurations, then record results that show whether LTO provides measurable gains.

Written by the indexing model from the issue text.

Assessment

Tech stack
lua
Domain
build-system, performance
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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