<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">I'm on a holy trifecta of 2011-era X220/T520/T420 Thinkpads most of the time running FF-ESR and FF regular, <br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">I have Auto_Tab_Discard installed on FF which quiets down my CPU to some 8-12%. Puts tabs to sleep.<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">I have anywhere from 120-270 tabs in 4 sessions of FF(lowers head in shame). <br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Without this add-on, FF historically would be consuming around 25-28% of CPU time(htop), fan blowing, uncomfortable on lap.<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Khalid, that T450 is from 2015-ish and remarkably more power-efficient than the T420 stuff from 3-4 years prior. <br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">I have some difficulty with java-happy sites on FF-ESR but no issues with FF regular, both were CPU hogs, until my daughter schooled me in the glory of of Auto_tab_Discard.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">See:</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><a href="https://add0n.com/tab-discard.html">https://add0n.com/tab-discard.html</a></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br clear="all"></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Ron S.<br></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jan 31, 2022 at 9:19 PM Khalid Baheyeldin <<a href="mailto:kb@2bits.com">kb@2bits.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr">From another thread ... <br></div><div dir="ltr"><br></div><div dir="ltr">On Mon, Jan 31, 2022 at 7:03 PM Chris Frey <<a href="mailto:cdfrey@foursquare.net" target="_blank">cdfrey@foursquare.net</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Mon, Jan 31, 2022 at 12:46:43PM -0500, Doug Moen wrote:<br>
> Sounds like Debian is too slow and bloated for this hardware. I bet<br>
> that Plan 9 would really fly on it. Plan 9 is from the right era and<br>
> there's been no large scale effort to make it a thousand times slower<br>
> and require a thousand times as much memory, as has happened with<br>
> Linux distros.<br>
<br>
This may have been in jest, but boy howdy, is it real.<br>
<br>
I'm still running Debian Buster 10, and recently due to security updates<br>
and end-of-life requiring the change, Firefox was updated from 78.15esr<br>
to 91.5esr. Watching youtube is now a 100% CPU grinding, fan blowing,<br>
choppy video, sluggish UI affair on my poor Thinkpad T510.<br>
<br>
I kinda long for that bygone era.<br></blockquote></div><div><br></div><div>I am on a Thinkpad 450. No idea when it was made. BIOS date is 2018, but</div><div>that may be an update that the previous owner applied, or I did apply it <br></div><div>after I bought it. <br></div><div><br></div><div>Model number is 20BUS6150U</div><div>CPU is Intel Core i5-5300U CPU @ 2.30GHz</div><div><br></div><div>And I am on Xubuntu 20.04 64bit, with Firefox 96.0.</div><div><br></div><div>I definitely had issues with Firefox's memory usage, which was a problem even <br></div><div>with 12GB of RAM. Turns out the issue was too many Firefox windows opened. <br></div><div>Once I bookmarked the tabs in several windows and closed them, the laptop <br></div><div>never goes to swap.</div><div><br></div><div>Here is dstat (again)</div><div><br></div><div><span style="font-family:monospace">$ dstat --noupdate -tclpydr 10 | cat<br>----system---- --total-cpu-usage-- ---load-avg--- ---procs--- ---system-- -dsk/total- --io/total-<br> time |usr sys idl wai stl| 1m 5m 15m |run blk new| int csw | read writ| read writ<br>31-01 21:09:48| 5 1 94 0 0|0.32 0.93 1.16| 0 0 1.3| 838 1918 | 0 19k| 0 1.00 <br>31-01 21:09:58| 12 2 86 0 0|0.42 0.93 1.16| 0 0 0.6|1559 3998 | 0 21k| 0 3.60 <br>31-01 21:10:08| 17 3 80 0 0|0.51 0.93 1.16|2.0 0 1.4|1947 4579 | 0 3686B| 0 0.30 <br>31-01 21:10:18| 17 3 81 0 0|0.51 0.92 1.15| 0 0 1.4|1816 4434 | 0 20k| 0 0.60 <br>31-01 21:10:28| 5 1 94 0 0|0.43 0.89 1.14| 0 0 1.3| 891 2082 | 0 21k| 0 2.80 <br>31-01 21:10:38| 7 1 92 0 0|0.36 0.86 1.12|5.0 0 1.1| 940 2489 | 0 186k| 0 7.10 <br></span></div><div><span style="font-family:monospace"><br></span></div><div><span style="font-family:monospace">Then I start Firefox<br></span></div><div><span style="font-family:monospace"><br></span></div><div><span style="font-family:monospace">31-01 21:10:48| 44 7 49 0 0|1.03 0.98 1.16|1.0 0 3.5|3307 16k| 0 17k| 0 0.60 <br>31-01 21:10:58| 31 4 65 0 0|0.87 0.94 1.15|2.0 0 0.8|2382 12k| 0 138k| 0 8.90 <br>31-01 21:11:08| 27 4 69 0 0|0.73 0.91 1.14|1.0 0 1.4|2240 12k| 0 46k| 0 4.40 <br>31-01 21:11:18| 35 4 61 0 0|0.78 0.91 1.13|3.0 0 1.3|2749 13k| 0 62k| 0 4.50 <br>31-01 21:11:28| 34 4 62 0 0|0.82 0.92 1.13| 0 0 1.2|2496 13k| 0 42k| 0 5.90 <br>31-01 21:11:38| 34 6 60 0 0|1.01 0.95 1.14|3.0 0 1.2|2762 13k| 0 296k| 0 12.2 <br></span></div><div><br></div><div>Yes, CPU usage goes up (idle time goes down from 81% to 61%). <br></div><div>But the fan never kicks in and the laptop remains responsive. <br></div><div>Some Javascript on some other pages do cause the fan to kick in though.<br></div><div><br></div><div>I do have NoScript, and UBlock Origin. But <a href="http://google.com" target="_blank">google.com</a> and <a href="http://gstatic.com" target="_blank">gstatic.com</a> are allowed. <br></div><div><div>-- </div><div dir="ltr">Khalid M. Baheyeldin<br><a href="http://2bits.com" target="_blank">2bits.com</a>, Inc.<br>Fast Reliable Drupal<br>Drupal performance optimization, hosting and consulting.<br>"Sooner or later, this combustible mixture of ignorance and power is going to blow up in our faces." -- Dr. Carl Sagan</div></div></div>
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