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Re: [bug-gawk] Increased RAM memory usage in gawk 5.0.1 compared to gawk
From: |
arnold |
Subject: |
Re: [bug-gawk] Increased RAM memory usage in gawk 5.0.1 compared to gawk 4.1.4 |
Date: |
Sun, 11 Aug 2019 07:42:37 -0600 |
User-agent: |
Heirloom mailx 12.5 7/5/10 |
Hi.
Finn Magnusson via bug-gawk <address@hidden> wrote:
> Dear gawk developers
>
> Our team recently started using gawk 5.0.1 and found that the RAM memory
> usage seems to have increased compared to gawk version 4.1.4, which we
> were using before.
It seems that the run time also went way up. On 10 iterations, gawk-4.1.4
takes about 11 minutes, and gawk-master takes about 19. gawk-4.2.1 seems
to run about the same time as 4.1.4 but takes more memory, but still less
than gawk-master.
Running valgrind on 2 iterations found zero definite leaks. That's good,
but it means that the issue is more subtle. I am continuing to investigate.
BTW, your change to disable the 4.2 IGNORECASE speed-up is fine for your
program, which doesn't use IGNORECASE, but is wrong for the general
case, so I cannot include it in the code base.
Thanks,
Arnold