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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://infosec.exchange/users/ryanc/statuses/112234691081322164">Ryan Castellucci :nonbinary_flag: (ryanc@infosec.exchange)'s status on Monday, 08-Apr-2024 17:37:59 JST</a><a href="https://infosec.exchange/@ryanc" title="ryanc@infosec.exchange"><img src="https://gnusocial.jp/avatar/174285-48-20231204225121.webp" width="48" height="48" alt="Ryan Castellucci :nonbinary_flag:" style="position: absolute; left: 0; top: 0;">Ryan Castellucci :nonbinary_flag:</a><div><a href="https://chaos.social/@singe/112234261614360574" rel="in-reply-to">in reply to</a><ul><li></ul></div></section><article><p><a href="https://chaos.social/@singe" rel="nofollow noreferrer">@singe</a> I ran it on the documentation for libtomcrypt:</p>$ time qpdf --recompress-flate --compression-level=9 --object-streams=generate crypt-1.18.2.pdf crypt-1.18.2_z9.pdf<br>real    0m0.257s<br>user    0m0.225s<br>sys     0m0.031s<br>$ LD_PRELOAD=./libzshim.so time qpdf --recompress-flate --compression-level=9 --object-streams=generate crypt-1.18.2.pdf crypt-1.18.2_zopfli.pdf<br>60.26user 0.11system 1:00.41elapsed 99%CPU (0avgtext+0avgdata 24536maxresident)k<br>0inputs+0outputs (0major+33070minor)pagefaults 0swaps<br>ryanc@penguin:~/code/zshim$ ls -al crypt-1.18.2*.pdf<br>-rw-r--r-- 1 ryanc ryanc 830815 Apr  7 01:17 crypt-1.18.2.pdf<br>-rw-r--r-- 1 ryanc ryanc 822428 Apr  8 09:13 crypt-1.18.2_z9.pdf<br>-rw-r--r-- 1 ryanc ryanc 792577 Apr  8 09:32 crypt-1.18.2_zopfli.pdf<br><p>zopfli is slow... I did say "brute force".</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/2907882#notice-5790426">In conversation</a><time datetime="2024-04-08T17:37:59+09:00" title="Monday, 08-Apr-2024 17:37:59 JST">about 7 months ago</time> <span>from <span><a href="https://infosec.exchange/@ryanc/112234691081322164" rel="external" title="Sent from infosec.exchange via ActivityPub">infosec.exchange</a></span></span><a href="https://infosec.exchange/@ryanc/112234691081322164">permalink</a></footer></blockquote>

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Ryan Castellucci :nonbinary_flag: (ryanc@infosec.exchange)'s status on Monday, 08-Apr-2024 17:37:59 JSTRyan Castellucci :nonbinary_flag:
in reply to
- Dominic White
@singe I ran it on the documentation for libtomcrypt:
$ time qpdf --recompress-flate --compression-level=9 --object-streams=generate crypt-1.18.2.pdf crypt-1.18.2_z9.pdf
real 0m0.257s
user 0m0.225s
sys 0m0.031s
$ LD_PRELOAD=./libzshim.so time qpdf --recompress-flate --compression-level=9 --object-streams=generate crypt-1.18.2.pdf crypt-1.18.2_zopfli.pdf
60.26user 0.11system 1:00.41elapsed 99%CPU (0avgtext+0avgdata 24536maxresident)k
0inputs+0outputs (0major+33070minor)pagefaults 0swaps
ryanc@penguin:~/code/zshim$ ls -al crypt-1.18.2*.pdf
-rw-r--r-- 1 ryanc ryanc 830815 Apr 7 01:17 crypt-1.18.2.pdf
-rw-r--r-- 1 ryanc ryanc 822428 Apr 8 09:13 crypt-1.18.2_z9.pdf
-rw-r--r-- 1 ryanc ryanc 792577 Apr 8 09:32 crypt-1.18.2_zopfli.pdf
zopfli is slow... I did say "brute force".
In conversationabout 7 months ago from infosec.exchangepermalink

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