ANSYS Technical Support Call… or a Pizza Order

We came in the other day to find this in our ANSYS Technical Support voice mail box:

Tech Support?

Pretty darn funny.  I wonder if he would take one slice if we applied cyclo-symmetric boundary conditions?

Cyclo symmetric pizza slice

Monster in the Closet: PADT Goes Live with 512 Core HVPC CUBE Cluster

imageThere is a closet in the back of PADT’s product development lab. It does not store empty boxes, old files, or obsolete hardware.  Within that closet is a monster.  Not the sort of monster that scares little children at night.  No, this is a monster that puts fear into the heart of those who try to paint high performance computing as a difficult and expensive task only to be undertaking by those who are in the priesthood.  It makes salespeople who earn fat commissions by selling consulting services and unnecessary add-ons quake in fear.

This closet holds PADT’s latest upgrade to our compute infrastructure: a 512 core CUBE HVPC Cluster.  No data center, no special consultants, no expensive add-ons. Just 512 cores chugging away at solving FLUENT and CFX problems, and pumping a large amount of heat up into the ceiling.

Here are the specifics:

CUBE C512 Columbia Class Cluster

  • 512 AMD 2.4GHz Cores (in 8 nodes, 4 sockets per node, 16 cores per socket)
  • 2TB RAM (256 GB per node of DDR3 1600 ECC RAM)
  • Raid Controller Card (1 per node)
  • 24TB Data Disk Space (3TB per node of SAS2 15k drives in RAID0)
  • Infiniband (8 Port switch, 40 Gbps)
  • 52 Port GIGE switch connected to 2 GIGE ports per node
  • 42 U Rack with thermal convection ducting (chimney)
  • Keyboard, monitor, mouse in drawer
  • CENTOS (switching to RedHat soon)

We built this system with CFD simulation in mind.  The original goal was to provide a proof of concept to expand our CUBE HVPC offering, showing that you can create a cluster of this size, with very good speed, for a price that small and medium sized companies can afford.  We also needed a way to run large problems for benchmarks in support of our ANSYS sales efforts and to provide faster technical support our FLUENT and CFX customers.  We already have a growing queue of benchmarks waiting to get into the machine.

The image above is the glamour shot.  Here is what it looks like in the closet:

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Keeping with our theme of High Value Performance Computing we stuck it into this closet that was built for telephone equipment and networking equipment back at the turn of the century when Motorola had this suite.  We were able to fit a modern rack in next to an old rack that was in there. We then used the included duct to push the air up into our ceiling space and moved the A/C ducting to duct right into the front of the units.  We did need to keep the flow going into the rack instead of into the area under the networking and telephone switches, so we used an old video game poster:

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Anyone remember Ratchet and Clank? 
Best PS2 games ever.

It works well and adds a little color to the closet.

So far our testing has shown some great numbers. Not the fastest cluster out there, but if you look at the cost, it offers incredible performance.   You could add a drive array over Infiniband, faster chips, and some redundant power. And it will run faster and more reliably, but it will cost much more.  We are cheap so we like this solution.

Oh yea, with the parts from our old CFD cluster and some new bits, we will be building a smaller mini-cluster using INTEL chips, a GPU or two, and a ton of fast disk and RAM as our FEA cluster.  Look for an update on that in a couple of months.

Interested in getting a cluster like this for you computing pleasure?  A system configured like this one will run about $150,000 (video game poster is extra). Visit our CUBE page to learn more or just shoot an email to sales@padtinc.com.  Don’t worry, we don’t sell these with sales people, someone from IT will get back with you.

11411 – Symmetry in Subscribers

Every day we get a little update from Constant Contact on how many people subscribed or unsubscribed from our mailing list.  The number this morning was 11411:

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I don’t really remember when it got above 10,000, but 11,000 is an impressive number of people who want to be kept informed about various things going on at PADT.  But what struck me for some reason was the symmetry of the number: 11-4-11

Does symmetry in numbers fascinate you?  Or am I just weird   Does posting stuff like this risk a reduction in our subscriber count?

If you want to help us get to 11511, or 12012, subscribe to PADT’s emails on our subscription page.

 

Empty High-End Computer Rack, What Should we Fill it With?

Empty high end rack
Empty high end rack

We have a new rack installed in our compute server room (well closet really).  I wonder what we can fill that with? Looks like it can handle a lot of heat, and a lot of units.  We shall see what the week brings.

I smell some new CUBE HVPC hardware in PADT’s future. Stay Tuned.

PADT Sign at the End of the Rainbow

Ted Harris captured this picture when going home last Friday.  This is what you find at the end of a rainbow.

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It is a long exposure to get the colors in the rainbow, so the sign is a bit bright.  But not bad for holding an iPhone steady.

Christmas Right–Left Gift Exchange Story: Romance Style

For our Christmas parties at PADT we generally have over 40 employees so a traditional secret Santa gift exchange takes to long. So a couple of years ago we downloaded a right-left gift exchange story from the internet and it was a big hit. We ran out of stories on the internet, so we started writing our own, usually in some sort of over-the-top style.  This year it was sort of a romance story with an Italian lover, a green dress, sword play, and a angry suitor.  It takes place at Christmas time… so there is the rather weak tie to Christmas.

If you have never played this game before it is simple. Everyone gets their gift and forms a big circle in the middle of the room.  Someone with a strong voice reads the story and every the world LEFT is read, everyone passes the package they have to the left. Every time the world RIGHT is read, everyone passes the package they have to their right.  You should pause a bit at each LEFT/RIGHT to give people a chance to pass.  Using funny voices for the dialog also helps.

We hope you get as many laughs out of it as we did.

You can find our Film Noir style story from last year here.


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Silvia LEFTwater lounged in her chair and watched Sir Robert St. RIGHTman stride across the portico, from LEFT to RIGHT into the LEFT wing of the LEFTwater mansion. She fluttered her eyes and inhaled a deep breath that stretched the bodice of her deep green satin dress. She held it for a time till it LEFT her a little light headed. She then let out a long, sad sigh.

RIGHT now, based upon the sigh that just LEFT your body, I am guessing that your heart is once again RIGHT where I… last enjoyed your embrace.

Hearing Alberto’s voice coming from the doorway startled Silvia RIGHT out of her deep contemplation. During the summer they had enjoyed a brief, deep and passionate romance, stolen moments together RIGHT here in her Writeing study, that had LEFT her wanting more. If she was honest with herself, it had LEFT her devastated. But he had… gone away without saying a word, only WRITEing her a single note that explained he would return RIGHT before Christmas. She had moved on, or so she thought. She didn’t want to think about the complications that Alberto LEFT in his wake; she wanted to focus on Sir Robert RIGHT now.

“Alberto, it is such a pleasure to see you standing RIGHT here, you LEFT in such a hurry this summer.” She presented her RIGHT hand to him, which he took in both his LEFT and RIGHT hands, brushing his lips RIGHT against the top of her knuckles. “I am so glad you could be here for Christmas, it would not be RIGHT to celebrate it without you.”

Alberto looked down on her, gazing into her eyes in a way that LEFT her a bit breathless. “My dearest Silvia, you must be angry with me, and RIGHTly so. But it is now Christmas time and I want nothing LEFT to chance. So I have returned to RIGHT here, RIGHT now, to make things RIGHT. “

Silvia felt her heart leap RIGHT out of her chest. He had LEFT her depressed and forlorn and now he marched RIGHT in at Christmas to declare something. And RIGHT after Sir Robert had LEFT this very same room after making a proposal of marriage. In fact, she realized that Sir Robert had declared his love to her standing in the same place Alberto stood now.

“Silvia, my peach, my desire, when I , LEFT here this summer I feel I did it for the RIGHT reasons. I bought property on the LEFT bank of the seine and opened an art auction house. And I sold pictures that my aunt had LEFT in plain sight, RIGHT above the LEFTmost window of our country estate. They were rare examples of the REITenhouser school of portraiture, painted by REITenhouser himself and his students. I sold them for a fortune, which has LEFT me with enough money to do RIGHT by you.”

Just then, Silvia saw Sir Robert over Alberto’s LEFT shoulder, standing in the door that had been LEFT open. His RIGHT eye twitched as his RIGHT hand slowly moved to his RIGHT hip where his sword was secured to his belt. “Alberto!” he yelled with RIGHTeous indignation. “By all that these mad days have still LEFT holy in this world, you have given up your RIGHT to Slivia’s attention. I have stood RIGHT by her side when you LEFT her crying, RIGHT here on this couch. Draw your sword, and we shall see who is LEFT standing!”

Alberto stood at attention, he looked RIGHT into Sir Robert’s eyes and said “You have LEFT me with no choice, we shall set this RIGHT….” He paused and drew his sword with his LEFT hand, for Alberto was not only Italian, he was a LEFTy, “… here and now”

And then they battled, back and forth, parry and thrust, thrust and parry. Silvia stood speechless, clutching her hands to her LEFT chest against her pounding heart. As the men fought, she was LEFT with a feeling of exhilaration. She knew it was… wrong… and not RIGHT, to find pleasure in their struggle. But she could not help herself. He chest heaved, covered with dewdrops of sweat as she watched them struggle.

Without warning, when they stood RIGHT in front of Silvia, Alberto slashed across Roberts LEFT cheek, which LEFT a long red streak under his eye. It also splashed blood RIGHT on Slivias RIGHT hip, RIGHT above her hand tooled leather belt.

“STOP THIS RIGHT NOW!!!” she shouted. Her outburst LEFT both men stunned and they stood there in front of her, looking RIGHT at her. “It is Christmas and this is not RIGHT. Although I am honored by your gallantry and willingness to fight for my love, the decision shall be LEFT to be to decide what is RIGHT for me.”

She took a deep breath and both men admired her long auburn hair, tied into a braid that sat on her RIGHT shoulder. She looked fierce, and beautiful. Then the word leapt RIGHT out from her “I love you Alberto, I always will. I would have rather you not LEFT me, and what you did was not RIGHT. But I forgive you. I’m sorry Sir Robert, it would be best if you LEFT now.”

Sir Robert dropped his sword and turned to leave. He walked through the door he had LEFT open only minutes before when he had LEFT after he had proposed to her, and walked down the hallway and… across the courtyard to his waiting carriage.

Which LEFT Silvia once again alone with Alberto, and it felt RIGHT. “Oh Alberto!” She felt his LEFT and RIGHT arms tight around her, which LEFT her no option but to collapse into his warm body. “This will be the Best Christmas Ever!” she said. Alberto leaned back and said. ” My Dear, Silvia, my love, my desire, my passion. You are…….. correct”

Printing from this Blog

A quick note before I head out for a Chris Isaac concert (my wife is a fan, and I’m supportive… but let me note that she did not support me by going to see Rush) I wanted to let our readers know about printing on this new blog.

Long time The Focus readers are used to having a “Print” link that will make a  nicely formatted printout of articles.  Some people like to do that and then share them with others or keep them in a book for reference. On the new WordPress based blog there is no need for that. Simply go to the article itself by clicking on the title, then print it out using your browsers print function. WordPress takes care of the formatting.

Have a great weekend!

Wicked Games

Rush

PADT’s New Website on Lynx

We were testing out the new Website on different browsers and some smarty-mc-smarty decided to try it on Lynx:

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It is not as bad as I thought it would be…  Who remembers using Lynx?

Another 2012 “Pumpkin” Launch… Well an Ice Ball Anyway

So, being engineers, we are not satisfied with the performance of actual pumpkins. We begin to ask ourselves “Hmmmm… is there a better material to use? What would happen if I tried to shoot _____”

So during this years Halloween launch festivities the team decided to try out an ice ball. 

Here is the result:

PADT Company Pictures Through the Years

As we get ready to launch the new website and the new blog, I find myself looking back on PADT’s 18 year history.  While looking for some lab pictures I found a directory buried about 6 levels down on my C:\ drive called “CompanyPictures”  And inside are all of the pictures that we have kept over the years. After looking at them I thought it might be fun to put them out there on the Blog.

Unfortunately we did not think to take a picture till 2000. So we were already 6 years old.  Since then we only missed 2004.  Take a look. Maybe you recognize someone you used to work with here, maybe you used to work here.  Let us know what you think in the comments.

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First Look: Pumpkin Launch 2012

For a couple of years now, PADT has had a tradition of shooting off pumpkin mortars on Halloween.  Originally we took dry ice, sealed it with some water in a 2 Liter bottle, put it in a tube with a pumpkin on top and “bang-whooosh” a pumpkin goes a flying.

Being engineers, we have to improve on the process… this year we used foam wadding, put cameras inside foam “pumpkins” and tried launching an ice pumpkin.  Here is the first attempt:

 

Pumpkin Launch

Look for more videos tomorrow.

Fun


On this part of the blog PADT will be sharing “information” that may not have a lot of real value, but that we enjoy.  Look for links to things of high nerd value, a few jokes, silly pictures, and whatever else we feel might make you smile. There is a strict ban on LOL Cats, unless there is an engineering tie in.


Christmas Right–Left Gift Exchange Story: Film Noir Style

For our Christmas parties at PADT we generally have over 40 employees so a traditional secret Santa gift exchange takes to long. So a couple of years ago we downloaded a right-left gift exchange story from the internet and it was a big hit. We ran out of stories on the internet, so we started writing our own, usually in some sort of over-the-top style.  This year it was sort of a Film Noir style with a hard boiled detective, a blond bombshell, and a can of Right Guard.  There is a Christmas connection, but you have to read it to get it.

If you have never played this game before it is simple. Everyone gets their gift and forms a big circle in the middle of the room.  Someone with a strong voice reads the story and every the world LEFT is read, everyone passes the package they have to the left. Every time the world RIGHT is read, everyone passes the package they have to their right.  You should pause a bit at each LEFT/RIGHT to give people a chance to pass.  Using funny voices for the dialog also helps.

We hope you get as many laughs out of it as we did.

image


Jack Hammer sat in his office on the 5th floor of the WRIGHT insurance company building. His RIGHT hand held a cold cup of coffee, and in his LEFT was a RIGHT guard deodorant can. He wore a hat cocked slightly to the LEFT and parted his hair on the RIGHT. Two streams of cheesy Christmas music were coming through his walls, from Doctor LEFTentowskeys office on his RIGHT, and the accountant’s office on his LEFT. He didn’t know the name of the accountant, but he had LEFT Jack a Christmas Card with a picture of reindeer on the LEFT bank of the Siene in Paris, which Jack felt was just not… appropriate.

Christmas had been a lonely time for Jack ever since his wife Janice had LEFT him RIGHT before Christmas five years ago, waking up one morning and saying “We are not RIGHT for each other” She packed and walked RIGHT out the door.

As he was remembering this he heard footsteps coming down the hallway from the LEFT, and they stopped RIGHT in front of his door. After a few seconds he heard a rhythmic rapping on his door, three knocks one RIGHT after another, a pause, then three more RIGHT after that. It LEFT him a bit puzzled, but RIGHT now he needed the work and the distraction from his depressing thoughts.

He said “Come RIGHT In”. The door opened to reveal a stunning blond bombshell. The kind that comes RIGHT out of a pinup calendar. The kind that had come into his office several times in the past and LEFT him heart broken.

Her ruby red lips parted and she asked, with a slight accent that sounded almost Italian: “You Jack Hammer? My name is Cemento Smerigliatrice. My friend Joey RITEnhaour said you were the RIGHT man for the job?”

Her voice LEFT him a bit speechless, so he used the act of clearing off the RIGHT side of his desk to find a place to put the RIGHT guard down as an excuse to gain his composure. “I may be the RIGHT guy for the job, but it needs to be the RIGHT job.”

She walked over to his desk and around the RIGHT side to sit RIGHT there in front of him on the RIGHT corner. She said, leaving no chance LEFT for misinterpretation: “I need you to kill Santa Clause”

The statement hung there in the air, Jack was LEFT speechless.

“Why?” he asked

She pouted those red lips and leaned forward, putting her ample bosom RIGHT in front of his eyes and said: “Last year, that red coated jerk LEFT me coal. I came downstairs and found that he had eaten the cookies and drunk the milk I LEFT him. But hanging there RIGHT over the fireplace was my stocking full of coal. It just is not RIGHT!”

Jack Hammer was used to trouble, and the part of him that didn’t get LEFT on the battlefields of the Pacific during WWII enjoyed the RIGHT kind of danger. But her whole attitude LEFT him a little nervous. She had LEFT something out that just didn’t seem RIGHT.

He looked her up and down and stared RIGHT into her eyes, and noticed a small tear streaking down her LEFT cheek. He put his RIGHT and LEFT hand down on the LEFT and RIGHT arms of his chair and slowly pushed himself up until he stood RIGHT next to her. “RIGHT now gorgeous, I don’t care what is RIGHT and what is… not-RIGHT. Life has LEFT a hole RIGHT here in my heart” he lifted her RIGHT hand in his and placed it on the LEFT side of his chest. “It has LEFT me bitter, LEFT me without any hope. LEFT me without a lot of morals.”

She looked up and smiled an evil smile at him. The kind of smile that LEFT you wondering if you took a wrong turn in a bad part of town… or maybe a RIGHT turn.

He let go of her hand to reached out and pulled her body RIGHT up against his and whispered in her LEFT ear.

“Looking at you I’m guessing that if Santa LEFT you coal, you deserved it. He has every RIGHT to leave you coal, because if you check his list you would be in that naughty column on the LEFT side of the sheet. “

He then spun her around and pushed her RIGHT out the door. “The elevator is on your LEFT sweaty, you can ride it RIGHT down to hell!”

Jack Hammer sat RIGHT back down in his chair and picked up the RIGHT guard that was sitting RIGHT on his desk. Somehow, the exchange LEFT him feeling good for the first time in a long time.

Meanwhile, far up RIGHT on top of the World a large man in a red suite set a cup of hot cocoa on the LEFT side of his desk. He crossed out the name of Jack Hammer on the LEFT side of a long list, and wrote it in on the RIGHT side, under the heading of Nice. In a deep rumbly voice he said: “Ho Ho Ho. Every year I am LEFT with no doubt, that RIGHT around the world when people are LEFT with a simple choice, they always do what is… appropriate.