Ankush Jain

Storage Systems graduate student @ Parallel Data Lab. Tweets not (very) academic.

[Ankush Jain @schwifty50]

@ajay9470 Not actively, spent a couple years trying to optimize them without grokking too much of the math or physics if that helps

[Ankush Jain @schwifty50]

@ajay9470 I moved to YT Music India, some family plan or something via dad's account I don't even remember but it was cheap. Anyway my daily jam these days is lofi music to plan a thesis proposal to.

[Varun Chandrasekaran @VarunChandrase3]

Looking to recruit "one" PhD student (in either ECE + CS @ UIUC) with STRONG interests in ML+Systems+Security, or demystifying foundation models. Deadline: Dec 15. Ping with any questions. Please RT and help amplify?

[Ankush Jain @schwifty50]

@axboe @rflaherty71 Would it be accurate to map this to be in the ballpark of the CPU overhead of ~200K IOPS (100G/64k) in the NVMe world + some DMA setup/teardown cost?

[Ankush Jain @schwifty50]

@GuilhermeAmadio @axboe It depends on your profiling requirements - if they're simple something like ifstat would suffice. If they're complex something like tcptop from bcc-tools (or anything in the BPF world) can be extended to get almost anything you'd want.

[Ankush Jain @schwifty50]

@RoshalSophia I use Zotero + bib auto-exports + the Zotero connector browser plugin - all bib items are automatically accumulated in the appropriate bib files as per your rules.

[Ankush Jain @schwifty50]

@AbhirathB It was just me saying that there are low-hanging fruits (alpha/productivity gain from tools) everywhere, and all will eventually adopt them but:

1) Incomes need to rise above a certain threshold

2) Most folks will still be slow to adopt. One person will, then a slow cascade

[Ankush Jain @schwifty50]

@AbhirathB I would encourage you to play around with this website:

https://t.co/HpP3J53Z21

Compare India's export profile and economic complexity to other countries in its PCI bracket. We've done great with 90th ptile industries, but not really 60-80th ptiles.

[Ankush Jain @schwifty50]

@AbhirathB But labor arbitrage usually refers to sweatshop-type labor. With BPOs/call center-style jobs, it is not just that it's cheaper, but also that folks can speak English and all. There's an element of skill.

Until the recent experiments with PLI in mfg, we haven't been great at that

[Ankush Jain @schwifty50]

@AbhirathB In general I am skeptical of this trend of prematurely identifying cultural root causes as the driving forces for certain behaviors.

The gap between what is possible and what exists is alpha. Alpha creates incentives, which all humans respond to, but with varying amts of interia

[Ankush Jain @schwifty50]

@AbhirathB I would disagree. India does not really do a great job at labor arbitrage (especially compared with peer countries, like BD). Successful Indian exports like pharma/IT/autos are not low-tech.

These can be explained by inertia to ideas. (Hacker culture being the extreme opposite).

[Ankush Jain @schwifty50]

@ffledgling @Android @Apple It's inevitable, but conventional automakers don't have the rapid iterative loops of tech. Tesla is able to do things faster because there's compute onboard and software-defined things and processes that deliver rapid OTA updates.

[Ankush Jain @schwifty50]

@mnwsth I think economic incentives guard against that. Your customers will pay per core, and it is in your interest to minimize the overhead.

[Ankush Jain @schwifty50]

@ajay9470 You're not?? Did something specific happen between 9 and 11?

[Ankush Jain @schwifty50]

GCC 11 feels SO MUCH FASTER than GCC 9 this is ridiculous.

[Ankush Jain @schwifty50]

@ajay9470 Compile time for decent-sized C/Cpp codebases, on somewhat ancient Sandy Bridge Xeons. Probably went down by half if not more.

[Ankush Jain @schwifty50]

@ajay9470 Check auto shop loaner tool sections? Pittsburgh has a tool library, not sure if you have something like that.

[Ankush Jain @schwifty50]

@ajay9470 Ok nvm for scooters looks like you can just hammer them out/in. I'd get a caliper, measure ID/OD/Width, look up the size ####, and order replacements by that number.

[Ankush Jain @schwifty50]

@ajay9470 Bearing sizes are very standard AFAIK and replacements are cheap, may need some extractor/press tool thing to get them out and put new ones in. You can get a bunch of loaner tools from AutoZone for free.