sorear changed the topic of #riscv to: RISC-V instruction set architecture | https://riscv.org | Logs: https://libera.irclog.whitequark.org/riscv | Backup if libera.chat and freenode fall over: irc.oftc.net
Skyz has quit [Quit: Client closed]
Skyz has joined #riscv
Skyz has quit [Quit: Client closed]
Skyz has joined #riscv
Skyz has quit [Quit: Client closed]
FluffyMask has quit [Quit: WeeChat 2.9]
TMM_ has quit [Quit: https://quassel-irc.org - Chat comfortably. Anywhere.]
TMM_ has joined #riscv
richbridger has quit [Ping timeout: 245 seconds]
<jrtc27> meowray: thoughts on https://reviews.llvm.org/D103201#2788132?
<jrtc27> the cl::opt in the backend had the advantage that it worked for every tool
<jrtc27> but now each tool that wants -M needs to be modified :(
<jrtc27> maybe just adding it to llc is enough though..
TwoNotes has quit [Quit: Leaving]
davidlt has joined #riscv
vagrantc has joined #riscv
iorem has quit [Quit: Connection closed]
farcas has joined #riscv
hendursaga has quit [Ping timeout: 252 seconds]
hendursaga has joined #riscv
farcas has quit [Ping timeout: 272 seconds]
davidlt has quit [Ping timeout: 258 seconds]
hendursaga has quit [Ping timeout: 252 seconds]
farcas has joined #riscv
farcas has quit [Remote host closed the connection]
<meowray> jrtc27: -M means --disassembler-options=options so suitable for llvm-mc's disassembler and llvm-objdump -d ... but technically not that suitable for llc
<meowray> i don't mind -M for llc, though...
vagrantc has quit [Ping timeout: 272 seconds]
toshywoshy has quit [Read error: Connection reset by peer]
toshywoshy has joined #riscv
hendursaga has joined #riscv
iorem has joined #riscv
radu242 has quit [Quit: The Lounge - https://thelounge.chat]
davidlt has joined #riscv
iorem has quit [Ping timeout: 258 seconds]
s0ph0s has quit [Ping timeout: 252 seconds]
s0ph0s has joined #riscv
Sos has joined #riscv
vagrantc has joined #riscv
vagrantc has quit [Quit: leaving]
smartin has joined #riscv
iorem has joined #riscv
hendursa1 has joined #riscv
valentin has joined #riscv
hendursaga has quit [Ping timeout: 252 seconds]
hendursa1 has quit [Remote host closed the connection]
hendursa1 has joined #riscv
Sofia has quit [Ping timeout: 252 seconds]
Sofia has joined #riscv
<jrtc27> meowray: do you have a better suggestion for how to keep the ability to disable aliases in llc's output?
<jrtc27> I'm not tied to -M as an option, just want --riscv-no-aliases to go away so there's only one variable to check
ats has quit [Ping timeout: 244 seconds]
ats has joined #riscv
aburgess_ is now known as aburgess
<Sos> wooho my nezha is shipped
<GreaseMonkey> congrats, that was like a day or two behind my unmatched
<Sos> ahh i mean it's sent out
<Sos> gonna wait for it to go all over to marble
Andre_H has joined #riscv
ssb has quit [Ping timeout: 264 seconds]
Andre_H has quit [Client Quit]
<enthusi> my unmatched is not shipped but expected to do so within this week
<enthusi> I wonder about the set frequency from what I read on the forums. Someone mentioned that the Ubuntu image still uses and earlier boot which sets it to 1Ghz (vs. 1.2 Ghz)
<enthusi> anyone going to update the ubuntu image? :)
<davidlt> don't they have daily disk images?
<enthusi> I was referring to this one:
<enthusi> which links to: (updated April 22) https://cdimage.ubuntu.com/releases/21.04/release/
TwoNotes has joined #riscv
radu242 has joined #riscv
choozy has joined #riscv
radu242 has quit [Quit: The Lounge - https://thelounge.chat]
radu242 has joined #riscv
<leah2> enthusi: new fan is very good
<rjek> Which fan are people recommending?
<leah2> noctua 40mm
<rjek> ta
<leah2> get the one without pwm
<leah2> just 12V
<leah2> Noctua NF-A4x10 FLX
<rjek> ?
<leah2> yeah that one
<rjek> ta!
<enthusi> leah2: thanks! So your adapter works?
<leah2> ah nice, there's an adapter to lower th epower
<leah2> enthusi: one print was a bit too tight
<leah2> building gcc for 10min now, core temp 47/51C
<sorear> I'd like to know what kind of IPC you get on compile jobs
<leah2> ipc?
<sorear> instructions/cycle
<leah2> 47868772166 cycles # 1.196 GHz
<leah2> 16867987140 instructions # 0.35 insn per cycle
<leah2> in 10s
<enthusi> so you're running off SD currently?
<leah2> booted from sd, running a chroot on nvme
<leah2> sorear: fwiw this is a full gcc 10.3 build and it's been going on for 6h already
<sorear> I'm guessing that's with all 4 cores loaded then
<sorear> not half bad
<enthusi> leah2: so the available ubuntu image?
<leah2> freedomsdk
<leah2> sorear: 40029.80 msec cpu-clock # 4.000 CPUs utilized
<jrtc27> 0.35 IPC isn't great...
<rjek> Is that microcode everywhere, or terrible memory/cache?
<sorear> it's grossly inadequate cache (2MB) for running 4 gcc jobs at once
<sorear> still i think it's about twice what the unleashed managed under those circumstances
<enthusi> cool. very ncie
<rjek> 2MB is positively stingy
<jrtc27> I mean, the 4 performance cores of the M1 share 4 MiB of L2 cache, and they can churn through compiles pretty quickly
<jrtc27> but the U74 is still an in-order core, right?
<jrtc27> so, yeah, misses are going to suck hard
* rjek wonders what the fan is for :)
<sorear> i've found terrible secondary sources claiming the performance core cache is 12MB and backed by a 16MB "system level cache"
<rjek> leah2: Do you have STL for the mount adaptor for the fan?
<sorear> rjek:
<sorear> rjek: safety measure, i'm pretty sure, don't want to rely on automatic thermal management this early in the life cycle
hendursa1 has quit [Quit: hendursa1]
hendursaga has joined #riscv
<leah2> sorear: i think you can hit 85C w/o fan
<leah2> and then it turns off
<rjek> sorear: Perhaps so!
<leah2> but yeah, 52C stable cpu temperature seems ok to me
<davidlt> yes, 85C is set as critical
<sorear> someone said a week or so ago that the 85C cutoff is done in the linux kernel
<davidlt> yes, the default from the sensor is 125C IIRC
<davidlt> the configuration for 85C is done in U-Boot
<sorear> davidlt: are you saying that the sensor is capable of safing the system without software in the loop, but it needs to be reconfigured one-time?
<davidlt> Yes
<davidlt> the default is 125C is way too high for FU740
<davidlt> I don't recall exactly, but I think we program it in U-Boot SPL to 85C
<davidlt> e.g. on my ambient temperature with no fans and CPU stress testing it takes 40-50 minutes IIRC to hit those
<davidlt> but it depend on various factors
<sorear> …that is an impressive amount of thermal mass for a chip
<davidlt> I advice to always have the fan cooling it and PCIe switch
<davidlt> from what I gather my board is quite cool compared to others :)
<davidlt> but that's a very small sample and completely different ambient temperatures
<davidlt> FU740 is still in-order
theruran has joined #riscv
cmuellner has quit [Remote host closed the connection]
cmuellner has joined #riscv
cmuellner has quit [Quit: Leaving]
cmuellner has joined #riscv
ssb has joined #riscv
choozy has quit [Quit: https://quassel-irc.org - Chat comfortably. Anywhere.]
<enthusi> leah2: did you print it yourself or ordered it? WHat material to use for thermal endurance?
<leah2> a friend made it in PETG
<enthusi> ah, so I can't even beg you for one :)
<leah2> i have one left but it's a tiny bit too small
<enthusi> oh? to tight from the inside? So one could sandpaper it or so?
<leah2> probably
<leah2> it jumps out currently
<sirn> leah2: just curious, was it the heatsink part or the fan part that's a bit too small?
<leah2> i think just the fan part
<leah2> but i gotta check
<leah2> but right now it's compiling
<sirn> ah ok later is fine if you can, thanks
<leah2> i wanna finish gcc at least :D
<sirn> well at least now you can let it compile while sleeping :P
<enthusi> gcc took > 1h even on modern 4 core laptop here
valentin has quit [Ping timeout: 244 seconds]
<sirn> it took 6-7 hours on unmatched the last time i tried
balrog has quit [Quit: Bye]
<leah2> it takes ~8min on my ryzen :<
<leah2> or 18?
<leah2> hmm
<sirn> i would love 24-cores U74
<sirn> definitely not with that fan
khem has quit [Read error: Connection reset by peer]
psydroid has quit [Write error: Connection reset by peer]
llamp[m] has quit [Read error: Connection reset by peer]
ahs3[m] has quit [Read error: Connection reset by peer]
demostanis[m] has quit [Read error: Connection reset by peer]
llamp[m] has joined #riscv
psydroid has joined #riscv
demostanis[m] has joined #riscv
khem has joined #riscv
ahs3[m] has joined #riscv
psydroid has quit [Changing host]
psydroid has joined #riscv
FluffyMask has joined #riscv
Sos has quit [Quit: Leaving]
<davidlt> sirn, you can replace the fan, all 3 headers can drive standard PC fans
<sirn> davidlt: i already did replaced and it's working great, was only making a joke about fan noise if there were 24-cores U74 :p
gordonDrogon has quit [Ping timeout: 252 seconds]
adjtm has joined #riscv
valentin has joined #riscv
iorem has quit [Quit: Connection closed]
<leah2> is there a cpuburn program for U74?
<meowray> jrtc27: llc -M no-aliases seems fine. it means assembly output
choozy has joined #riscv
gordonDrogon has joined #riscv
khilman has quit [*.net *.split]
mobius has quit [*.net *.split]
edef has quit [*.net *.split]
Slide-O-Mix has quit [*.net *.split]
GreaseMonkey has quit [*.net *.split]
edef_ has joined #riscv
greaser|q has joined #riscv
mobius has joined #riscv
khilman has joined #riscv
edef_ has quit [Changing host]
edef_ has joined #riscv
edef_ is now known as edef
Sos has joined #riscv
Skyz has joined #riscv
gordonDrogon has quit [Ping timeout: 258 seconds]
Skyz2 has joined #riscv
Skyz has quit [Ping timeout: 250 seconds]
farcas has joined #riscv
Skyz2 is now known as Skyz
Skyz has quit [Client Quit]
Skyz has joined #riscv
Skyz has quit [Client Quit]
Skyz has joined #riscv
Skyz has quit [Quit: Client closed]
Skyz has joined #riscv
Andre_H has joined #riscv
gordonDrogon has joined #riscv
Skyz has quit [Quit: Client closed]
Skyz has joined #riscv
riff_IRC has joined #riscv
riff-IRC has quit [Ping timeout: 264 seconds]
greaser|q has quit [Changing host]
greaser|q has joined #riscv
greaser|q is now known as GreaseMonkey
Skyz has quit [Quit: Client closed]
valentin has quit [Read error: Connection reset by peer]
valentin_ has joined #riscv
Skyz has joined #riscv
Skyz has quit [Quit: Client closed]
davidlt has quit [Ping timeout: 250 seconds]
smartin has quit [Quit: smartin]
mahmutov has joined #riscv
Slide-O-Mix has joined #riscv
choozy has quit [Remote host closed the connection]
Skyz has joined #riscv
TMM_ has quit [Quit: https://quassel-irc.org - Chat comfortably. Anywhere.]
TMM_ has joined #riscv
Skyz has quit [Quit: Client closed]
choozy has joined #riscv
Skyz has joined #riscv
Skyz has quit [Quit: Client closed]
Skyz has joined #riscv
Sofia has quit [Ping timeout: 252 seconds]
Sofia has joined #riscv
mhorne has quit [Ping timeout: 268 seconds]
TwoNotes has quit [Quit: Leaving]
Skyz has quit [Quit: Client closed]
Skyz has joined #riscv
mhorne has joined #riscv
Skyz has quit [Client Quit]
mahmutov has quit [Read error: Connection reset by peer]
mahmutov has joined #riscv
Skyz has joined #riscv
mahmutov_ has joined #riscv
mahmutov has quit [Ping timeout: 252 seconds]
craigo has joined #riscv
Andre_H has quit [Ping timeout: 250 seconds]
choozy has quit [Quit: https://quassel-irc.org - Chat comfortably. Anywhere.]
valentin_ has quit [Read error: Connection reset by peer]
valentin has joined #riscv
Skyz has quit [Quit: Client closed]
Sos has quit [Quit: Leaving]
farcas has quit [Ping timeout: 272 seconds]
farcas has joined #riscv
frost has joined #riscv
Skyz has joined #riscv
iorem has joined #riscv