#pest | 2023-08-21

11:41

awt_akris

!!ticker btc usd

11:41

deedbot

$25,912

~ 2 hours 17 minutes ~

13:59

asciilifeform

http://logs.bitdash.io/pest/2023-08-18#1029950 << it was baked strictly to run the linux which asciilifeform ported to it. to get airtight process isolation on a shared machine.

13:59

bitbot

Logged on 2023-08-18 23:59:00 gregorynyssa[deedbot|PeterL|signpost]: Was there any particular MIPS III program which you needed to execute?

14:01

asciilifeform

i.e. 'qemu' without the 9000 kilometres of mystery src and the exploitable bugs.

14:01

asciilifeform

whole emulator fit in l0 cache (<13kB exe)

14:02

asciilifeform

notion was, you run the thing with memory image, the linux 'boots' in <0.1sec, runs whatever (e.g. pdf to jpeg tool), shits out output on tcp

14:03

asciilifeform

with no permanent state change

14:09

asciilifeform

experiment concerned the question of whether one could even have a usably-fast full-system emulator without dynamic recompilation.

14:09

asciilifeform

( answr was 'maybe', on 3Ghz opteron, 'm' gave performance roughly like 486dx2, lol )

14:11

asciilifeform

bottleneck, unsurprisingly, was tlb lookup (i.e. virtual to phys address translation on erry mem access)

~ 5 hours 46 minutes ~

19:58

shinohai

awt: was the chroot issue only one you had during bootstrap of pentacle? I'm still getting debootstrap errors such as "E: Couldn't download file:debs/dists/stretch/main/binary-amd64/Packages" etc. Had to manually insert keys since apparently "deb.debian.org" wants to redirect to "archive.debian.org" - sadly I nuked last in

19:58

shinohai

stall.

19:59

awt_akris

shinohai: yes that was the only issue

20:03

shinohai

Have nfi what issue is, have tried on both Gentoo and Ubuntu - same thing.

~ 45 minutes ~

20:49

signpost