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Re: Regression of speed in lzip-1.25-rc1
From: |
wrotycz |
Subject: |
Re: Regression of speed in lzip-1.25-rc1 |
Date: |
Thu, 05 Dec 2024 19:54:12 +0100 |
User-agent: |
GWP-Draft |
Turns out that was compiled with Clang. Confusion come from the fact that when I checked strings for GCC and got exactly the same as with v1.25-rc1
~~~
$ strings prog | grep GCC:
~~~
But when dug a bit the net I found this tool:
~~~
$ objdump -s --section .comment prog
~~~
that shown clang along with GCC, therefore I had to conclude it was compiled with Clang.
Sorry for false alarm.
--
Plzip faster compression and slower decompression is still a thing.
~~~
$ time lzip-1.25-rc1 -kf mozilla
real 0m48.818s
user 0m48.310s
sys 0m0.248s
$ time plzip-1.12-rc1 -kf -n1 mozilla
real 0m43.435s
user 0m43.165s
sys 0m0.290s
$ time for i in `seq 1 10`; do lzip-1.25-rc1 -t mozilla.lz; done
real 0m21.027s
user 0m20.726s
sys 0m0.222s
$ time for i in `seq 1 10`; do plzip-1.12-rc1 -t mozilla.lz; done
real 0m23.625s
user 0m23.323s
sys 0m0.224s
~~~