Personal computing discussed

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by ptsant
Wed Jun 14, 2017 10:13 am
Forum: The Back Porch
Topic: Tell me about the new Crypto-Currency
Replies: 94
Views: 2443

Re: Tell me about the new Crypto-Currency

I think he is in Bitcoin for the "long haul." :o You might want to let him know that, despite what proponents believe, tracing Bitcoin transactions to individuals is trivially easy these days. [/day job] Even when the individual has a personal wallet? Wouldn't that mean matching the IP to...
by ptsant
Thu Jun 08, 2017 3:03 am
Forum: Processors
Topic: What are REAL consumer CPUs?
Replies: 132
Views: 3138

Re: What are REAL consumer CPUs?

Real consumer CPUs? The ARM chips in your phone/tablet/toaster! +1 I wonder hour Moore's Law looks if you "reset" it to ARM rather than intel. Those chips seem to get the kind of jumps in performance that we had in the 2000's and earlier with x86. It won't last. ARM chips have been harves...
by ptsant
Thu Jun 08, 2017 3:00 am
Forum: Processors
Topic: What are REAL consumer CPUs?
Replies: 132
Views: 3138

Re: What are REAL consumer CPUs?

OK after hearing all about AMD and Intel's new "Threadripper" and Core i9 CPUs along with their price tags, I'm beginning to wonder what exactly is a consumer CPU? Don't get wrong, I love having high end hardware but I would have to be making money with it to consider buying what are now ...
by ptsant
Tue Jun 06, 2017 2:49 am
Forum: Graphics
Topic: Budget Graphics for Ryzen?
Replies: 28
Views: 1043

Re: Budget Graphics for Ryzen?

It seems like the only option has been something along the lines of the GT 710. I was hoping for something a little newer than that for around $50-60. Ryzen not having integrated graphics until the APUs is really starting to suck for people wanting budget builds who want the extra cores but don't n...
by ptsant
Tue May 30, 2017 7:55 am
Forum: Graphics
Topic: RX480 Remorse for not buying?
Replies: 28
Views: 1240

Re: RX480 Remorse for not buying?

all the cheap AMD cards have probably been bought by crypto miners The mania is about to crash too. AMD and etailers are just laughing themselves to the bank. Well, that was what the people were saying a few years ago, but bitcoins have been appreciating in value. My mini-farm (2xR9 280X) paid for ...
by ptsant
Tue May 30, 2017 7:03 am
Forum: Processors
Topic: Skylake-X Round 2: 7980XE, 18 COARZ
Replies: 15
Views: 922

Re: Skylake-X Round 2: 7980XE, 18 COARZ

I guess Intel had been keeping these for 2025, until suddenly ... competition happened. Whatever your preferred platform (AMD or Intel). This is good news. Unless said competition leads to a significant bump in single threaded throughput, most consumer workloads won't give a damn, and so will non g...
by ptsant
Mon May 29, 2017 8:58 am
Forum: Processors
Topic: Skylake-X Round 2: 7980XE, 18 COARZ
Replies: 15
Views: 922

Re: Skylake-X Round 2: 7980XE, 18 COARZ

I guess Intel had been keeping these for 2025, until suddenly ... competition happened.

Whatever your preferred platform (AMD or Intel). This is good news.
by ptsant
Mon May 29, 2017 4:19 am
Forum: Graphics
Topic: RX480 Remorse for not buying?
Replies: 28
Views: 1240

Re: RX480 Remorse for not buying?

Yeah the RX 580 seems like a bad buy given the power consumption and only ho-hum performance increase. Hopefully AMD will offer something more worthwhile in the mid-range soon. If you find it at nice price, underclock/undervolt is trivial. The chip will certainly run at ~150W, if you want it to. So...
by ptsant
Mon May 29, 2017 3:13 am
Forum: Processors
Topic: VME Broken on AMD Ryzen
Replies: 28
Views: 2197

Re: VME Broken on AMD Ryzen

So could this prevent running old DOS games under DOSBox? I'm still a big fan of old DOS games and those are pretty much 16-bit. Who knows, some of them may even be 8-bit like some really old titles like Dragonworld (1984). DOSbox is not a virtual machine. In addition, if you are running in 64-bit ...
by ptsant
Mon May 29, 2017 3:11 am
Forum: Processors
Topic: VME Broken on AMD Ryzen
Replies: 28
Views: 2197

Re: VME Broken on AMD Ryzen

http://www.os2museum.com/wp/vme-broken-on-amd-ryzen/ This would be of rather minor importance - it's only going to affect 16-bit processes running in V86 mode on a 32-bit OS (or memory manager, JemmEx for FreeDOS being the cited one) - if it weren't for the fact that XP and Server 2003 execute the ...
by ptsant
Fri May 19, 2017 9:07 am
Forum: Apple Sanctuary
Topic: Retiring from gaming, need a MacBook for audio work
Replies: 15
Views: 744

Re: Retiring from gaming, need a MacBook for audio work

Just be aware that beneath the shiny Apple logo, the differences in hardware can be significant: the base model with from 5 years ago is not at all comparable with the latest i7 with 16GB RAM. And don't consider the Macbook non-Pro/Pro/Air to be even remotely similar. The non-pro Macbook is (computa...
by ptsant
Mon May 15, 2017 10:17 am
Forum: Processors
Topic: Looks like RyZen got caught cheating on benchmarks
Replies: 64
Views: 3981

Re: Looks like RyZen got caught cheating on benchmarks

When I got my Ryzen 1700x, I ran my own assembly hand-coded benchmark from the 90s. I have scores from K5, Pentium, K7, Phenom II, Vishera etc and the code still runs as it is under linux. So I thought it would be nice to see how Ryzen does. The benchmark itself is not particularly interesting, bec...
by ptsant
Thu May 04, 2017 3:03 am
Forum: System Builders Anonymous
Topic: Upgrade my aging FX8350
Replies: 49
Views: 6943

Re: Upgrade my aging FX8350

Hello all I thought I'd give you an update. You may remember that I was perplexed by the fact that my FX8350 would not wake from sleep, requiring a complex ritual every time (hard off, CMOS clear etc). I thought it was approaching end of life and decided to upgrade to a Ryzen 1700X before the appear...
by ptsant
Thu May 04, 2017 2:35 am
Forum: Processors
Topic: Looks like RyZen got caught cheating on benchmarks
Replies: 64
Views: 3981

Re: Looks like RyZen got caught cheating on benchmarks

TR says it all right here. Now admittedly CPU-Z was never a proper benchmarking tool, which is why TR wisely avoided using it, but that's still no excuse for "optimizing" your way to success in microbenchmarks by intentionally ignoring the program code. Especially when those optimizations...
by ptsant
Thu May 04, 2017 2:32 am
Forum: Processors
Topic: Looks like RyZen got caught cheating on benchmarks
Replies: 64
Views: 3981

Re: Looks like RyZen got caught cheating on benchmarks

When I got my Ryzen 1700x, I ran my own assembly hand-coded benchmark from the 90s. I have scores from K5, Pentium, K7, Phenom II, Vishera etc and the code still runs as it is under linux. So I thought it would be nice to see how Ryzen does. The benchmark itself is not particularly interesting, beca...
by ptsant
Thu Apr 27, 2017 2:16 am
Forum: Processors
Topic: AMD Ryzen 5 or AMD FX?
Replies: 12
Views: 1162

Re: AMD Ryzen 5 or AMD FX?

Hoping for some input as my younger brother wants to upgrade his rig a little. He is currently a pretty dated set up from roughly 1-2 years ago (parts bought at various times) Motherboard: MSI - A88XM Gaming. CPU: AMD Athlon X4 880k (shockingly the top supported CPU) GFX: 2GB Gigabyte Radeon R7 360...
by ptsant
Sat Apr 22, 2017 1:21 pm
Forum: Graphics
Topic: Flash your RX480 to an RX580
Replies: 25
Views: 4152

Re: Flash your RX480 to an RX580

so does that nullify 480s "advantage"? PS, before the RX580 launch I lobbied TR to do some investigation into the RX480 vs RX580 frequency/voltage relationships using manual voltage adjustments. That's still something that nobody else has really exclusively covered and it would've given T...
by ptsant
Tue Apr 18, 2017 2:24 pm
Forum: Processors
Topic: 80387 math coprocessors
Replies: 61
Views: 2994

Re: 80387 math coprocessors

The Pentium was the first x86 CPU with a fully pipelined FPU. When designing the Pentium, Intel wanted to go after the Workstation market which was dominated by RISC chips with fast floating point. The Pentium failed at that aim, but a side effect of this was that it had, for the x86 world, a super...
by ptsant
Tue Apr 18, 2017 2:22 pm
Forum: Processors
Topic: 80387 math coprocessors
Replies: 61
Views: 2994

Re: 80387 math coprocessors

All that said, I did get a few extra FPS out of Doom and Doom II on my old 486SX system by running an ancient shareware 8087 emulator. I suppose the game emulated a 387 if it didn't detect the real thing, and the simpler 8087 was faster to emulate. Something else was going on, DOOM (at least, not s...
by ptsant
Tue Apr 18, 2017 5:58 am
Forum: Processors
Topic: 80387 math coprocessors
Replies: 61
Views: 2994

Re: 80387 math coprocessors

one of the reasons the contemporary AMD CPUs (K5-K6) lost to Intel Pentiums, whose FPU actually warranted the name , in many gaming tests. FTFY :D LOL I don't remember the details from that era, although I could probably dig out the reference assembly manuals for the K5 and the Pentium at home. My ...
by ptsant
Mon Apr 17, 2017 3:40 pm
Forum: Processors
Topic: 80387 math coprocessors
Replies: 61
Views: 2994

Re: 80387 math coprocessors

I recall my parents old computer having an empty socket for an Intel 80387 Math Coprocessor. I knew what it was for, but I always wondered if it would have made games run faster. I was an Ultima junkie, mostly wasting away my teenage years playing The Black Gate and The Serpent Isle. Would installi...
by ptsant
Wed Apr 12, 2017 4:03 am
Forum: Storage
Topic: SSD reliability
Replies: 43
Views: 1973

Re: SSD reliability

The difference is speed is huge. Your friend will care once he sees how much faster the programs start. Reliability varies with brands and models, for both HDs and SSDs. I would say that a standard SSD today is not very likely to read the limit of writes (no, reads don't use that up) and any failure...
by ptsant
Wed Apr 05, 2017 1:29 pm
Forum: Processors
Topic: 1700 vs 1700X : minimal difference
Replies: 14
Views: 1358

Re: 1700 vs 1700X : minimal difference

I would never have imagined that someone bothered to test the exact same chip running at the exact same speed (note that XFR and turbo are inactivated when OC), only to say that they have the same performance. It seems rather obvious to me. The other question, ie does the 1700 OC on average as well ...
by ptsant
Wed Apr 05, 2017 1:16 pm
Forum: Overclocking, Tweaking, & Cooling
Topic: cooler manufacturers and AM4 hardware
Replies: 20
Views: 1413

Re: cooler manufacturers and AM4 hardware

I bought the Crosshair VI, which has holes for AM3+ backplates. Haven't actually tested, but in theory you should be able to use your cooler if it comes with its own backplate. If you have a kinda expensive cooler, it's worth considering the Crosshair VI for that reason. My Corsair H80 worked withou...
by ptsant
Wed Apr 05, 2017 5:32 am
Forum: Motherboards, Chipsets, & RAM
Topic: Poll: Ryzen RAM amounts
Replies: 34
Views: 1835

Re: Poll: Ryzen RAM amounts

Running a research program that aligns biological sequences against the human genome requires exactly 31.5GB, so I went with 32GB dual-rank DDR4. I may upgrade to 64GB 2633MHz ECC DDR4 at some point in the future...
by ptsant
Wed Apr 05, 2017 4:56 am
Forum: Processors
Topic: 1700 vs 1700X : minimal difference
Replies: 14
Views: 1358

Re: 1700 vs 1700X : minimal difference

Theoretically the 1700X has 13% advantage in all-core freq and a 5% advantage in single-core turbo, at stock. OC perf should be the same, depending on silicon lottery.

I find these results a bit strange and would be curious to see some replication.
by ptsant
Tue Apr 04, 2017 3:59 am
Forum: Processors
Topic: AotS Ryzen patch
Replies: 22
Views: 1367

Re: AotS Ryzen patch

Let's be clear. Games do not run poorly on Ryzen. These benchmarks are not how gamers actually game. I crank up as much details and resolution as my GPU can muster. I don't set my games to 1080p with base settings so that I can compare to other CPUs. Most gamers are actually GPU-bound as most gamer...
by ptsant
Tue Mar 28, 2017 2:04 pm
Forum: Processors
Topic: Ryzen 5 - Your Choice?
Replies: 62
Views: 5035

Re: Ryzen 5 - Your Choice?

The i5 during Sandybridge was the best gaming chip. The i5 outperformed the i7 thanks to the HT performing terrible in gaming titles. Games also weren't taking advantage of much more than 2 cores back then, plus whatever background programs you were running. The same thing can be said about the i7....
by ptsant
Mon Mar 27, 2017 10:15 am
Forum: Processors
Topic: You will do elaborate power efficiency tests of Ryzen won't you
Replies: 10
Views: 1325

Re: You will do elaborate power efficiency tests of Ryzen won't you

+1 for more detailed power tests pls
by ptsant
Mon Mar 27, 2017 10:12 am
Forum: Processors
Topic: AMD X390/X399 HEDT Platform
Replies: 25
Views: 2919

Re: AMD X390/X399 HEDT Platform

TravelMug wrote:
ptsant wrote:
IPC is defined per clock, don't confuse with single-thread performance which depends on clock speed.


I'm not confusing anything. The IPC is at best at Broadwell levels as per AMD themselves. They are 6-8% behind Kaby Lake.


Of course. But then, there is no Kaby Lake Intel 8-core part, is there?
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