Brian Binovsky

@petereliaskraft Back in the 1980s my family business wrote code for 68k milspec CPU on VME cards we overclocked. They were used to create things like X.25 PADs for high profile financial clients. There were only libraries, no OS, and execution time was deterministic.

While operating system architectures have stood still for the past 30 years, hardware has been getting faster and faster. Accessing disks or the network used to take many milliseconds, now it takes microseconds. What would it take to build an OS that can handle these speeds--a nanosecond-scale OS architecture? I really like this paper because it attempts to provide OS abstractions for ultra-fast hardware. Right now, the overhead of going through the kernel is vastly higher than datacenter network latency, so ultra-fast programs must bypass the kernel altogether and access hardware directly. But this is a nightmare to program because it means code is hardware-dependent, and so has to be rewritten for every machine it runs on. The Demikernel solves this problem by providing a high-level OS interface for ultra-fast (kernel-bypass) I/O. This is tricky because it has to handle a variety of hardware and kernel-bypass strategies, carefully coordinate memory accesses across the I/O device, stack, and application, and multiplex CPUs at nanosecond timescales. The solution is to provide library OSes based around PDPIX, an extension of POSIX designed to support ultra-fast I/O. PDPIX replaces POSIX's pipes with I/O queues to allow applications to submit entire requests at once. It also incorporates coroutines (essentially, async/await) to allow ultra-fast CPU context switching. The big takeaway is that incredible hardware performance is of limited utility if there aren't good abstractions to use it. Hopefully OS researchers will keep making kernel bypass easier so we can all take full advantage of how fast computers are becoming!

@mjazark @Grubhub Yeap. It is fairly obvious GrubHub does not care about their poor security.

@GrubhubTech I recently had an account issue because GrubHub still does not use MFA and someone can log in using just a user name and password. Is GrubHub going to update their login process to this basic security sometime soon? How many people have to lose money?

@cherthedev Just about any kind of anti-theft can be bypassed with enough effort. Locking lug nuts included. My advice is put cheap cameras watching your outdoor items if possible. This proves not just theft, but helps to ID the thieves.

Woke up to stolen tires (and rims). Ok.

@CovidVaxVictims I'm pretty sure that the study data does not exclude those with adverse reactions. It would be great if those with adverse reactions came forward to help study their issues and get help (not just be rumors). There are generally less unmanaged adverse reactions than expected.

@CovidVaxVictims It's probably going to result in legal punishment if you force your way into the Capitol building yet people still did that. Some people don't care too much about consequences apparently.

@CovidVaxVictims snopes.com/fact-check/two…

@mmitchell_ai If you were seriously fired from Google, consider the bright side, now is the time to find your true value as an individual and show them what they lost as a collective.

I'm fired.

@Apple This is a 6th generation iPod Touch I bought from Walmart. As one can see, with less than 12 hours of usage from brand new, simply sitting in the same room it's entire life periodically being used to test apps. The battery pack has swollen the device apart.

@BankBetterGuy @BankofAmerica So finally by 9:30AM EST today, after 3 trips 30 miles away and back, I was able to cash this BofA account holder's check. At a branch with a 'special relationship' with this account holder. A waste of everyone's resources because BofA keeps having IT issues since late 2019.

@techhelpbbnj @BankofAmerica Horrible

@BankofAmerica Spent 4+ hours today going from North NJ, USA branch to branch. All had very little in the way of working computers, some no phones. Unable to cash a check. Lied to by representatives at least 7 times. Terrible service and 2nd time in Feb. 2020 BofA failed.

Despite responding, haven't heard back from BofA. I assume they intended to embed a link as well? If I can't cash this check at BofA, I consider their account holder in default even if it's really BofA's issue. Perhaps time to boycot.

@CharoneF Pfft ;)

@CharoneF Mother Nature?

@CharoneF LOL - I'll tweet if I want to

@CharoneF They know what you did last summer ;)

@CharoneF Insight-full deer hunting tip

@CharoneF Tweet defensively?

@CharoneF A can of cranberry for u 2