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Comments (111)

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  tombert
  I had the 2019 Macbook Pro i9, so I think a function to determine thermal throttling could be written very simply: function isThermalThrottling() { return true; } Seriously, I loved that computer for the most part but I was a little annoyed that I paid a lot of money for the i9 CPU just to get worse performance than the i7.
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  Neywiny
  Seems like good work. From what I've heard developing on MacOS has not gotten easier over the years. I do question the point, though. I suppose there's merit in knowing if your configuration causes thermal throttling, but what are you able to do about it? There's no fan profile to tweak or anything. Can you undervolt them?
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  e40
  He could get notarization and code signing for free if he puts it into Homebrew. I would love to get it via that distribution mechanism.
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  motoboi
  Hypothesis: it’s not the CPU, it’s the USB controller saturating the thermal mass.So instead of the CPU or GPU going bonkers, the body gets too hot and they lose thermal dissipation capacity for the normal usage and then overheat and then throttle. They go 100% on the graphs because the throttling reduces frequencies and then load becomes too heavy.Experiment other adapters and monitors.
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  marksomnian
  Site appears to be hugged to death, repo is: https://github.com/angristan/MacThrottle
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  scottlamb
  > I know it’s thermal throttling because I can see in iStat Menus that my CPU usage is 100% while the power usage in watts goes down.There's another possibility. If your battery is low and you've mistakenly plugged it into a low-power USB-C source (phone charger), you will also see 100% CPU usage, low power usage, and terrible performance. Probably not the author's problem, but it's been mine more than once! It might be worth adding something to detect this case, too. You can see your charger power under "System Information"; I assume there's an API for it also.
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  twilo
  You can just ping your CPU usage to the menu bar and monitor that. I have CPU and total system wattage up there so I always know if something weird is going on.https://github.com/exelban/stats
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  ksec
  I really wish Apple uses Vapour Chamber cooling for next MacBook Air M5.On my MacBook Pro, I have come to the conclusion that Apple priorities low noise level over heat dissipation. And I have my Mac fan control to have a minimum fan speed.
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  dcrazy
  I’m curious why you used `@_silgen_name` to forward-declare the Darwin notification APIs. Does `import Darwin` not make them available?
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  nazgu1
  There is a problem/bug with thermal pressure notifications. Did you stumbled upon such issue with your app? https://github.com/macmade/Hot/issues/73
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  atymic
  Found https://github.com/macmade/Hot which works for my intel mac :)
• carterschonwald
  Mac fan control seems to track component temps which is pretty nice
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  the_black_hand
  My 2017 macbook is basically brick. Crazy how just opening chrome sets off fans like a jet engine. How much cpu can checking gmail really use?Foolish me is considering buying a new macbook this year. I have no choice because Apple and Microsoft will do everything in their power to ship the shittiest personal computing products every year.
• anon
  undefined
• lloydatkinson
  Does such a thing exist for Windows?
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  rkagerer
  This would be a really useful thing to indicate via an unobtrusive LED on the chassis somewhere.
• tonymet
  I hope this great tutorial encourages more developers to build native apps. Still the best development and consumer experience .
• luxuryballs
  This is the type of software you hope Apple will “Sherlock” and bake into the OS!
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  mschuster91
  Another thing to keep in mind with MacBook Pro models or any other device that has fans... if you have cats, dogs or other heavily shedding animals, you must regularly (for me, once a year, for people with German Shedders more like once a quarter) open them up and thoroughly clean them.The amount of fur that manages to squeeze everywhere is insane.
• gigatexal
  neat! got it installed. thank you.you could easily put this in the App Store (maybe?) and I'd have thrown a few bucks your way.
• sys_64738
  brew install stats
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  edwardtay
  [flagged]
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  Bad_Initialism
  It won't run on a MacBook Air M1 running Sonoma. Only Tahoe.Come along with me! We'll destroy the planet so fast that we'll all be cinders before you know it.All we have to do is gobble the marketing speak so fast and make everything shiny and new, and we'll all be dead before you can say "Greta Thunberg."Come die with me for thin and for stylish. Kill the animals with me for "sleek".Die. With. Me. Now! I made an app!