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bsmith0 commented on Reformatting 100k Files at Google in 2011   laurent.le-brun.eu/blog/t... · Posted by u/laurentlb
bsmith0 · a year ago
I'd be curious what role "global approvers" at Google/Google's scale typically have/how many are there/what's the process?
bsmith0 commented on Harvard won’t require SAT or ACT through 2026 as test-optional push grows   washingtonpost.com/educat... · Posted by u/ren_engineer
MyHypatia · 4 years ago
If students can still submit AP test scores as part of their application, then I don't have a problem with them eliminating the SAT. AP tests are much harder than the SAT, and more representative of college material anyway. Studying for the SATs was a giant waste of time, while I actually learned a lot studying for AP tests.

Not all highschools have AP classes, so AP tests should not be required to apply, obviously. AP tests provide an objective metric to compare students who go to high schools with AP courses. For students who don't have AP courses, I think using grades is reasonable. All students can still submit additional non-required test scores and other supporting material for their application. At least now we are not wasting students time with this SAT bullshit.

I think the SATs are like Leetcode but even less useful. Obviously Leetcode is some indication that someone can program, but we're all aware that Leetcode is nothing like actual programming in a job. Similarly, the SAT is some indication that someone can do college, but nothing like actual college. I just think the cost of wasting millions of kids' hours studying for the SAT is a tragic waste of time, when they can be studying for their classes or more rigorous tests that test actual subject material like AP tests.

bsmith0 · 4 years ago
Senior year AP scores aren't available for seniors until way after the application process. I think I ended up having 7/11 of my tests during senior year.

Imo the main advantage APs brings is GPA weighting/more impressive looking transcripts.

I think scores often aren't even considered by admissions -- purely used for college credit.

bsmith0 commented on Sundar Pichai warns of threats to internet freedom   bbc.com/news/technology-5... · Posted by u/ptrkmhms
Sophistifunk · 4 years ago
From where I sit the #1 risk to the free and open internet these days is Google.

Edit: two reasons:

1) Because adtech is destroying society. Surveillance is never good. Ads as funding smears absolutely everything with perverse incentives that act consistently against both the explicit wishes and implicit best-interests of the viewers, and (it seems moreso every year) society at large.

2) Google is doing everything it can to protect and defend their control over said adtech, using all mechanisms at its disposal including a monopoly on Search, almost a monopoly (and veto power) on what defines HTML (Blink not Chrome), and like 70% of mobile platform.

bsmith0 · 4 years ago
These are the most predictable HN comments
bsmith0 commented on Aurora   web.dev/introducing-auror... · Posted by u/feross
tut-urut-utut · 4 years ago
Do we need to hear about every Google propaganda article published on web.dev?
bsmith0 · 4 years ago
Lol don't worry, HN spends a lot more time complaining about web.dev than praising it.
bsmith0 commented on The NSA Instruction (2019)   vaibhavsagar.com/blog/201... · Posted by u/cjg
nickysielicki · 4 years ago
Popcount is easily recognized by llvm (and it’s actually mentioned in the article...)

In the case of the code you’ve posted, you’re shifting out the LSB before you check the bit, so it’s not quite right, but (in general) popcount is recognized and used when possible.

bsmith0 · 4 years ago
Yep my bad! I think flipping the order should work still though.

The two links in the article:

https://lemire.me/blog/2016/05/23/the-surprising-cleverness-...

And the LLVM source indicate to me it only picks up on x&(x-1) pattern, which would miss the popcount optimization on code like mine.

bsmith0 commented on The NSA Instruction (2019)   vaibhavsagar.com/blog/201... · Posted by u/cjg
bsmith0 · 4 years ago
Here's a dumb question. If someone asked me to do it I'd probably write code like:

while(x != 0) { c += x&1; x >>= 1; }

Is this something that should be added to LLVM?

Edit: flip the order

bsmith0 commented on Resistor Noise Can Be Deafening, and Hard to Reduce (2007)   analog.com/en/analog-dial... · Posted by u/bcaa7f3a8bbc
failwhaleshark · 4 years ago
On a tangent: acoustic noise.

My HP 32SII made terrible resistor noises. Bzzzzzzz like some sort of bad tinnitus. I could also hear it on an HP 48G when I placed my ear up to it.

Wouldn't it be possible to use SMT resistors and pot them in silastic to quiet them down?

u/bsmith0

KarmaCake day144July 25, 2018
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SWE @ Palantir | CompE @ UIUC

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