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- Subject: Re: [ANN] Lua 5.4.0 (work2) now available
- From: Roberto Ierusalimschy <roberto@...>
- Date: Mon, 25 Jun 2018 11:22:01 -0300
> 5.4.0 vs 5.3.4, heavy table usage, time in seconds (less is better)
> 5.3.4 / 5.4.0
> 17.232 / 16.104 -- 5.4_speed = 5.3_speed * 107.0%
> 1333.64 / 1429.24 -- 5.4_speed = 5.3_speed * 93.3%
> For first test case I've done three runs of each version. Times does not
> differ. For second test case I've done second run for 5.4.0 version
> to assure that execution is really slower. First run time was 1457.46s.
> Benchmark is reformatting source code for given set of Lua files.
> Formatter spends 30% to 60% of time in each run for merging text
> chunks. This produces a lot of "garbage" memory.
> First test case contains some typical files, 38 files, ~ 1 MiB total
> size. Second case is "survival" test with 2.2k files, ~ 101 MiB total
> size. Second test set includes first test set. Contains more
> machine-generated Lua files.
> OS GNU/Linux, 14.04.1-Ubuntu, kernel 3.19.0-32-generic.
Do you know how much memory each case used?