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Replying to @hunaccl
お大事になさってね!
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15 Oct 2021
I tried the opposite (macOS on an iOS kernel) and quickly found out that the drivers are completely different (e.g. macOS's GPU driver uses the IOAccelerator interface while iOS uses IOGPU) so userspace isn't compatible
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I mean my question is rethorical, in my experience, the GPU process of an electron app has about 100 to 200M of bullshit of IOSurfaces and IOAccelerator stuff which is _definitely_ dirty.
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Watch: Area X.0 and @Accenture – Driving the future of #mobility and #smartcities. It is now live! Watch the interview with @sshorey Invest Ottawa, the company behind #Area X.0 @Invest_Ottawa #OttBiz #OttCity #IOAccelerator #IOPeerGroups #AI ow.ly/UIcE50F1fr0

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20 May 2021
Replying to @ccgus
IIRC IOAccelerator manages GPU buffers and commands. Giant swapped buffers might be over-allocations or leaks that the VM compressor is able to process efficiently.
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20 May 2021
Replying to @electrobarn
I’ve submitted FB9112835. I’ve narrowed it down to IOAccelerator at least.
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20 May 2021
Replying to myself, narrowing down the memory mystery. The IOAccelerator framework is using the 35GB according to vmmap -summary, 25.3G of which is swapped, with 3044 regions counted. WTF is going on, and what does IOAccelerator do anyway?
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I'm impressed by how far Asahi Linux got with Alyssa's help. I did not have patience to reverse-engineer the driver to the level I would know each IOConnectCallMethod arg structure, so to find out GPU memory maps I directly hooked framework (IOAccelerator) routines.
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A year ago I tried fuzzing not just IOConnectCallMethod calls but raw GPU buffers on Mac. x.com/astarasikov/status/110… x.com/astarasikov/status/110… This year I updated my POC for M1 which uses IOGPU instead of IOAccelerator github.com/astarasikov/macos…

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Congratulations to @rewindio for coming in at No. 49 on @globeandmail's list of Canada’s 400 top-growing companies in 2020.🥳 Learn more in @obj_news feature on the Ottawa company 👉 bit.ly/2GgMEOS #IOAccelerator

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21 Sep 2020
Replying to @Jakeashacks
Seems so yeah I checked on Mac iPhone and iPad. All 3 have the kext inside them (Mac has it compiled to x86 and arm) but I was able to establish connection only on iPhone and iPad. Also iirc IOAccelerator is still there (for now)
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Congratulations @contextere on this amazing accomplishment and for representing the Ottawa tech community 🎉 #IOAccelerator #Ottnews #FutureofWork
10 Sep 2020
Contextere is thrilled to have been invited to join a select group of WEF Global Innovators helping to define the #futureofwork thenewswire.com/press-releas…
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A big round of applause for @eabourdeau and the whole @welbi_co team. Their recreation management system was selected by @Revera_Inc to use in their residences across Canada. 👏👏👏 #WeMeanBusiness #IOAccelerator
31 Aug 2020
Revera chooses Welbi to personalize recreation programs for retirement living residents to reduce social isolation. Learn from Tom Wellner, Revera’s CEO, how Welbi is helping them take a step further towards helping older adults' live life to the fullest. welbi.co/press
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As cyber attacks are up 37%, 5 local security firms are helping teams keep secure w/ the increased risk of working from home: - @BluinkLtd - @CLAWCybernetIQ - @ciranews - ReShift - Software Secured Read about them here: bit.ly/3evtYGh #Ottnews #Ottbiz #IOAccelerator
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As cyber attacks are up 37%, 5 local security firms are helping teams keep secure w/ the increased risk of working from home: - @BluinkLtd - @CLAWCybernetIQ - @ciranews - ReShift - Software Secured Read about them here: bit.ly/3eBJ1OG #Ottnews #Ottbiz #IOAccelerator
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5 Ottawa Security Firms Make Work From Home More Secure bit.ly/394nAoE by Olivia Harris ✔️ @ciranews ✔️ @BluinkLtd ✔️ @CLAWCybernetIQ ✔️ Reshift Security ✔️ Software Secured #Ottbiz #Ottnews #IOAccelerator
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#IOAccelerator company @GBatteries is 1 of 10 startups pitching their sustainable mobility technology in the #MovinOnStartupChallenge2020 on June 4. 🔥 Audience votes assist the jury to determine the winners, so they need your help! Please sign up to vote bit.ly/2U2Lfzv
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Proud of this Ottawa-based, womxn-founded business & their impact-focused work. Learn more 👇 #IOAccelerator
Here’s how Treehouse Medical is taking action for women’s health and well being. We are building digital infrastructure for the maternal health community. A vital discussion to safeguard the gains made in this space. @UN_EWEC @GGJuliePayette @Invest_Ottawa #RiseForAll
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Ottawa-based Spiderwort closes $2.5M USD Series Seed financing to continue work on transformative biomaterials. Get the full story with @DavidMSali in @obj_news: bit.ly/36JGr75 #IOAccelerator
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Tomorrow, join @TreehouseMed for a timely discussion about childhood patience & self-regulation. To be shared with teachers, parents, or anyone interested in childhood psyc during this trying time. #COVID19 #IOAccelerator
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