Personal computing discussed

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by Waco
Sat Jan 20, 2018 10:05 am
Forum: Developer's Den
Topic: C Code Perfect Storm of Stupid
Replies: 47
Views: 1302

Re: C Code Perfect Storm of Stupid

FORTRAN 90 FTW :) Finding anyone who knows Fortran is pretty difficult too. :( A few of our big codes that run a huge number of core hours are Fortran and we're running out of people who know it well enough to maintain it. Pancake - no web developers in my world...just C/C++/Python/Fortran develope...
by Waco
Sat Jan 20, 2018 12:43 am
Forum: The Back Porch
Topic: Active Safety in Cars: What's good?
Replies: 74
Views: 1697

Re: Active Safety in Cars: What's good?

I feel like there's something wrong with me saying this, but... for a high-performance car, wouldn't a supercharger be a better idea? Sure a Turbo isn't always-on, but fuel economy for a Corvette just seems like a lost cause compared to dealing with turbo lag. I'm not really sure what you're asking...
by Waco
Thu Jan 18, 2018 8:41 pm
Forum: Developer's Den
Topic: C Code Perfect Storm of Stupid
Replies: 47
Views: 1302

Re: C Code Perfect Storm of Stupid

This thread makes me appreciate you C-types even more. I wanted to get into programming and I didn't because every degree program I could find wanted 1) lots of calculus and 2) Java or some other higher-level language focus. I wanted to actually get into a program where I learned the CPU, assembly,...
by Waco
Thu Jan 18, 2018 5:31 pm
Forum: Developer's Den
Topic: C Code Perfect Storm of Stupid
Replies: 47
Views: 1302

Re: C Code Perfect Storm of Stupid

There was also code in the same module which was attempting to clear a buffer (the address of which had been passed in as a pointer) by doing a "memset(buffer, 0, sizeof(buffer));"... anyone whose done much C programming knows that sizeof(buffer) in this case would be the size of the poin...
by Waco
Thu Jan 18, 2018 3:48 pm
Forum: Developer's Den
Topic: C Code Perfect Storm of Stupid
Replies: 47
Views: 1302

Re: C Code Perfect Storm of Stupid

just brew it! wrote:
...if you try to write a real-time system in Java

:lol: Thanks for making me nearly spit coffee at my monitor.
by Waco
Thu Jan 18, 2018 3:02 pm
Forum: Developer's Den
Topic: C Code Perfect Storm of Stupid
Replies: 47
Views: 1302

Re: C Code Perfect Storm of Stupid

Once upon a time I had faith that all developers at least gave their application a cursory run through helgrind prior to deploying anything. Working in the industry for 30+ years will convince you beyond a shadow of a doubt that at least 50% of software developers don't have a f*cking clue what the...
by Waco
Thu Jan 18, 2018 2:49 pm
Forum: Developer's Den
Topic: C Code Perfect Storm of Stupid
Replies: 47
Views: 1302

Re: C Code Perfect Storm of Stupid

Once upon a time I had faith that all developers at least gave their application a cursory run through helgrind prior to deploying anything.

I've since lost all that faith and have some active malice towards uncareful programmers. :P

EDIT: It's now my first path to fixing things multithreaded.
by Waco
Thu Jan 18, 2018 2:46 pm
Forum: The Back Porch
Topic: Average fuel consumption
Replies: 63
Views: 1298

Re: Average fuel consumption

Can't help but feel that modern pedal feel could be improved immensely if they just used an eccentric cam on the throttle cable to make engine torque slightly closer to linear in relation to the pedal travel. Almost all throttle bodies and carburetors in recent (a few decades) memory have an eccent...
by Waco
Thu Jan 18, 2018 12:00 pm
Forum: The Back Porch
Topic: Average fuel consumption
Replies: 63
Views: 1298

Re: Average fuel consumption

I still prefer throttle cables to electronic throttles. One more thing to break, one more thing to introduce lag, etc. I don't mind the system on my C5, but I really wish it were simpler. Eh. Can make that argument against any electronic upgrade that automotive engines have seen over the past 60-od...
by Waco
Thu Jan 18, 2018 11:03 am
Forum: The Back Porch
Topic: Average fuel consumption
Replies: 63
Views: 1298

Re: Average fuel consumption

This TBW system is the entire reason why tuning devices work. The engine computer is intentionally limiting engine output to save the transmission from warranty claims. Tuning devices allow the engine to run at its full achievable output. It's why kids who slap Cobb Accessports on their WRXs tend t...
by Waco
Thu Jan 18, 2018 10:57 am
Forum: Storage
Topic: Recommended NAS Devices
Replies: 38
Views: 954

Re: Recommended NAS Devices

Not sure if you are referring to the fact that 4x6TB > 16? Since I am using RAIDZ1, and after other overhead etc. is factored in, the net storage space of my pool is 16.6TB so pretty much spot on. No. Ryu was pretty clearly indicating what Waco just said: you are perpetuating two false canards that...
by Waco
Thu Jan 18, 2018 7:02 am
Forum: The Back Porch
Topic: Average fuel consumption
Replies: 63
Views: 1298

Re: Average fuel consumption

derFunkenstein wrote:
synthtel2 wrote:
semi-binary

but isn't binary, itself, binary? Either it is or it isn't and there' can't be a semi-binary or else there are >2 states. :lol:

He's upgraded his gas pedal to TLC; a little more ECC is required but it's much smoother now. :P
by Waco
Thu Jan 18, 2018 6:53 am
Forum: Storage
Topic: Recommended NAS Devices
Replies: 38
Views: 954

Re: Recommended NAS Devices

I'm on my phone so I won't quote that, but your fear of rogue memory and checksums is unfounded. The way ZFS handles checksum mismatches on scrub is to re-read the sectors in question to another buffer in memory, recheck the checksum, and only act if they match in both places. You'd have to be incre...
by Waco
Wed Jan 17, 2018 6:58 pm
Forum: The Back Porch
Topic: Active Safety in Cars: What's good?
Replies: 74
Views: 1697

Re: Active Safety in Cars: What's good?

You prefer turbo to NA? For small motors? Absolutely. It makes them feel much larger thanks to the prodigious torque curve (if properly sized) and tuning for altitude is far easier. I prefer larger motors in general but at 7500 feet of elevation it takes a lot more motor than normal to get a reason...
by Waco
Wed Jan 17, 2018 6:02 pm
Forum: The Back Porch
Topic: Average fuel consumption
Replies: 63
Views: 1298

Re: Average fuel consumption

derFunkenstein wrote:
So gas pedals clearly are not binary.

Clearly engine mounts are supposed to be consumables. :P
by Waco
Wed Jan 17, 2018 2:44 pm
Forum: Storage
Topic: Recommended NAS Devices
Replies: 38
Views: 954

Re: Recommended NAS Devices

deruberhanyok wrote:
Price? Heard this before. It doesn't really hold up IMO.

It's a hell of a lot more if you need something with more than a few slots - I have 24 bays in mine and last I checked the 8+ bay prebuilts get steep very quickly.
by Waco
Wed Jan 17, 2018 12:06 pm
Forum: The Back Porch
Topic: Average fuel consumption
Replies: 63
Views: 1298

Re: Average fuel consumption

End User wrote:
Upon further investigation I see that my normal 1st gear pulls result in 4.7 mpg. Spirited driving for the win!

The instantaneous measure on my car will read around 1.8 MPG if I remain at full throttle. :lol: Mixed driving on the track yields 5-6 MPG if I'm really hammering it.
by Waco
Wed Jan 17, 2018 12:00 pm
Forum: The Back Porch
Topic: Active Safety in Cars: What's good?
Replies: 74
Views: 1697

Re: Active Safety in Cars: What's good?

Subaru does have solutions for that, you know (says someone on his 4th Subie turbo since MY 2002). Haha, my first ride in a WRX STi had me giggling like a little girl. The second ride was no different. Turbos are like VR--you can read about it all you want, but once it's only after experiencing it ...
by Waco
Wed Jan 17, 2018 11:58 am
Forum: Cases and Power Supplies
Topic: PC SHUTS DOWN
Replies: 9
Views: 468

Re: PC SHUTS DOWN

Gigabyte boards are notorious for this (boot cycling). If there's an updated BIOS it might be worth trying it out.
by Waco
Wed Jan 17, 2018 11:30 am
Forum: Storage
Topic: Recommended NAS Devices
Replies: 38
Views: 954

Re: Recommended NAS Devices

DIY NAS is certainly an endeavor you have to commit yourself to spending some time and thought on - you can do things very badly if you're not careful.
by Waco
Wed Jan 17, 2018 10:47 am
Forum: General Hardware
Topic: My home theater is sounding weird
Replies: 13
Views: 525

Re: My home theater is sounding weird

notfred wrote:
Almost certainly got switched in to one of the various large hall / cinema modes that receivers have.

I wish they'd just stop adding those "features". They *never* sound good in any context. :o
by Waco
Wed Jan 17, 2018 10:37 am
Forum: Storage
Topic: BIOS not showing up my SSDs
Replies: 9
Views: 247

Re: BIOS not showing up my SSDs

Try disabling any "fast boot" features. The RAID BIOS should come up if enabled regardless of whether or not it detects any disks attached but many fast booting options skip initialization of that part of the RAID BIOS.
by Waco
Wed Jan 17, 2018 10:35 am
Forum: Storage
Topic: Recommended NAS Devices
Replies: 38
Views: 954

Re: Recommended NAS Devices

I love FreeNAS but almost everything you posted here isn't true. ECC, while recommended, is required no more than with any other filesystem. In the interest of (hopefully) putting this to bed, here's a post from Matt Ahrens (one of the original developers of ZFS) regarding the ECC issue: https://ar...
by Waco
Wed Jan 17, 2018 9:04 am
Forum: Storage
Topic: Recommended NAS Devices
Replies: 38
Views: 954

Re: Recommended NAS Devices

FreeNAS is great indeed but you should be aware that the ZFS file system which is the standard and recommended choice is designed to be used with ECC memory so it should be used with an ECC-capable platform only. I run FreeNAS on an HP ProLiant Microserver Gen8 and that gives me plenty of power and...
by Waco
Fri Jan 12, 2018 11:07 am
Forum: Processors
Topic: Intel Processor bug incoming?
Replies: 196
Views: 6845

Re: Intel Processor bug incoming?

cegras wrote:

Yep. Desktop users may not care but this is causing absolute hell in performance-sensitive applications with lots of syscalls.
by Waco
Wed Jan 10, 2018 12:41 pm
Forum: Processors
Topic: The Ryzen 2200G and Ryzen 5 2400G CPUs
Replies: 50
Views: 1419

Re: The Ryzen 2200G and Ryzen 5 2400G CPUs

I really need to see what CPUs her mobo is compatible with. Pretty sure I can find something K10-based in the stash that I could drop in there to at least get her onto something produced in the past decade. :lol: It's got DDR2 RAM in it so at least it's Socket AM2 (not 939). I have a Phenom II X4 9...
by Waco
Wed Jan 10, 2018 12:38 pm
Forum: Graphics
Topic: Video card prices
Replies: 170
Views: 4805

Re: Video card prices

Sigh. I sorely need a 1080 / 1080 Ti equivalent and while prices seemed almost reasonable a month or so ago...I guess I'm waiting again. Perhaps Volta's new spin will be out before prices are less volatile. :lol:
by Waco
Wed Jan 10, 2018 12:29 pm
Forum: Processors
Topic: The Ryzen 2200G and Ryzen 5 2400G CPUs
Replies: 50
Views: 1419

Re: The Ryzen 2200G and Ryzen 5 2400G CPUs

The Ryzen 5 2400G is very likely going to be in my next HTPC build - very light gaming (indie games) and a bit of encoding occasionally.
by Waco
Wed Jan 10, 2018 11:23 am
Forum: Overclocking, Tweaking, & Cooling
Topic: I7 8700 reaching 100C
Replies: 81
Views: 4642

Re: I7 8700 reaching 100C

8700 and a 1080Ti in a HTPC case-without water. YOU DO LIKE A CHALLENGE DON'T YOU. Seems like a pretty basic setup to me - you just have to accept that high temperatures are the norm under heavy load. I have a (now outdated but still very useful) 2700K and GTX 780 in my HTPC. It's all but silent un...
by Waco
Wed Jan 10, 2018 11:11 am
Forum: Processors
Topic: Intel Processor bug incoming?
Replies: 196
Views: 6845

Re: Intel Processor bug incoming?

BTW, here's the BSOD you got if you're one of the unfortunate people who still have a K8-based system and installed the MS Meltdown/Spectre patch before MS blacklisted them: http://uchima.net/trstuff/meltdown-k8-bsod.jpg It's almost as useful as the Windows 10 "Something Happened" bsod. :)
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