Threadripper

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MajorDomo
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Re: Threadripper

Post by MajorDomo »

TR3960X , 24 cores @ 3.8 to 4.5 GHz = 91 to 108GHz.
TR3970X, 32 cores @ 3.7 to 4.5 GHz = 118 to 144GHz

Thee cost/performance still makes the Ryzen 3950X top of my Christmas letter to santa.
But it is impressive the type of computer you can buy for less than a calibration these days!

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smacl
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Re: Threadripper

Post by smacl »

MajorDomo wrote:
Tue Nov 26, 2019 9:04 am
TR3960X , 24 cores @ 3.8 to 4.5 GHz = 91 to 108GHz.
TR3970X, 32 cores @ 3.7 to 4.5 GHz = 118 to 144GHz

Thee cost/performance still makes the Ryzen 3950X top of my Christmas letter to santa.
But it is impressive the type of computer you can buy for less than a calibration these days!
Two threads per core for all of the modern AMD stuff so you can effectively double the above for heavily threaded applications. I agree the Ryzen 3950X is a fantastic chip for the money and sits well in many very reasonably priced motherboards too, so very competitive total build cost. Only downside is that most Ryzen motherboards I've seen are limited to 64GB RAM where threadripper boards tend to be 128gb or better.

Some useful performance reviews on the newest chips for many photogrammetry and point cloud programs from the good folks at Puget Systems here; https://www.pugetsystems.com/all_articles.php

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Re: Threadripper

Post by Tookie »

And threadripper has 4 memory channels and more (60?) PCIe lanes for more direct Attached Nvme drives.

I think the storage bandwidth would make the extra money worthwhile.

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Re: Threadripper

Post by dhirota »

Ryzen 3990X + ASUS ROG ZENITH II EXTREME available at Newegg for $5,000+ including tax and shipping (depending on location).
Dennis Hirota, PhD, PE, LPLS
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Re: Threadripper

Post by dhirota »

Tookie wrote:
Tue Nov 26, 2019 6:18 pm
And threadripper has 4 memory channels and more (60?) PCIe lanes for more direct Attached Nvme drives.

I think the storage bandwidth would make the extra money worthwhile.
My Ryzen 3990X + ASUS ROG ZENITH II EXTREME motherboard will show up from Newegg on Tuesday, February 11. The major problem is testing to see if I can stuff more than 256GB of RAM on the motherboard with 64 PCIe4 lanes (with 5 NVMe ports). Originally, I thought the problem was getting the 3990X processor, but now it might be finding the RAM at a reasonable price.
Dennis Hirota, PhD, PE, LPLS
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Re: Threadripper

Post by smacl »

Nice review of the 3990x with benchmarks below, looks like a beast. Not sure if you'll get more than 256GB of RAM into it at this stage as AMD want to differentiate between the HEDT and server market with Epyc.


youtu.be/NtnPaB9bzGo

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Re: Threadripper

Post by dhirota »

smacl wrote:
Sun Feb 09, 2020 10:45 am
..... Not sure if you'll get more than 256GB of RAM into it at this stage as AMD want to differentiate between the HEDT and server market with Epyc.
After a little searching found registered ECC RDIMM
DDR4-2666-32GB sticks for $101.00 each (8X32GB)=$ 808 new
DDR4-2933-32GB sticks for $167.13 each (8X32GB)=$1,336 new
DDR4-3200-32GB sticks for $175.00 each (8X32GB)=$1,400 new
DDR4-2933-64GB sticks for $329.56 each (4X64GB)=$1,318 new

I also found some 128GB sticks for $2,500 each for DELL and HP servers. I did not know they made them that big.

Tomorrow, I need to check if ASUS tech support says that it is OK to use the 64GB sticks to 512GB total RAM size. I need to also check my source for refurbished RAM sticks for 32GB and 64GB ECC RDIMM size.

If anyone has heard about using 512GB of RAM on a TRX40 MB, I would be interested to learn about it? What type? and How much?
Dennis Hirota, PhD, PE, LPLS
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Re: Threadripper

Post by smacl »

Be very interested to hear how you get on Dennis. Do you envisage many point cloud workloads going past the 256GB mark? I'm aware that quite a lot of the image processing stuff can be very memory intensive requiring an array of one element per HDR pixel with one photograph per thread which comes out at ~2GB per thread for 32kx32k RGB.

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Re: Threadripper

Post by dhirota »

smacl wrote:
Mon Feb 10, 2020 8:29 am
Be very interested to hear how you get on Dennis. Do you envisage many point cloud workloads going past the 256GB mark? I'm aware that quite a lot of the image processing stuff can be very memory intensive requiring an array of one element per HDR pixel with one photograph per thread which comes out at ~2GB per thread for 32kx32k RGB.
Shane,

The post-processing of NavVIS uses 2.0-2.5GB per thread for the imaging, but they have some gross applications that ran through 256GB on their system. I can use 1.5TB on each of our three Intel Xeon systems, but they only have 16 threads each, so that will not help.
Dennis Hirota, PhD, PE, LPLS
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Re: Threadripper

Post by dhirota »

HERE THEY ARE

20200211_113756_SMALL.jpg

The ASUS ROG Zenith II Extreme is the heaviest MB I have lifted out of the box (The Intel Server MB might be close)

5.465 lbs= 2.479KG

AMD Ryzen 3990X in box with orange torque torx wrench

1.964 lbs=891 gm

Now to check all the install instructions.
You do not have the required permissions to view the files attached to this post.
Dennis Hirota, PhD, PE, LPLS
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