You are hereFinal Submission Countdown

Final Submission Countdown


By admin - Posted on 29 July 2009

Contributed by Lester Mackey

Only sixteen minutes remained in the $1 million Netflix Prize competition when I handed over the final set of predictions to the Ensemble team captain. The members of our newly minted team had been working furiously through the night, hoping to improve upon our previous day’s score of .8554. It was hard to believe that just twenty-four hours ago we had passed the four-team coalition that had occupied the first place spot for the last 29 days. There was little time to celebrate; the previous leaders would not go down without a fight, so we had to be ready with something better. A call had been issued for any remaining valid predictors, anything that could tip the scale in this final day, and our members around the globe had answered the call: nearly 200 new predictor sets, some previously passed over for their poor performance and others newly conceived only moments prior, had flooded in from all corners of the team. It was now up to our blenders to work some last-minute magic.

11:26 AM 

me: gabor -- here's my new best
    i don't know how well it will do
    but it's possible it will give .8553

11:27 AM

Gabor: what does the blender say?

me: 0.855345926622
    so, cutting it close

Our submission window opened just 9 minutes before the contest closed.   Gabor, our captain, had asked me to give him a countdown to our submission time via Google Chat.

11:28 AM

me: 5 minutes

There was nothing left to do but wait.

11:29 AM

me: 4 minutes 
    bpc tied us
    booo

Indeed, the previous leaders had issued their final submission and risen to tie our score.  I decided to check the Ensemble mailing list to gauge our members’ reactions.  Some expressed delight, others, alarm.  David W. repeatedly expressed confusion about why we hadn’t submitted, as only less than 1 minute remained in the contest.  (His clock was 13 minutes fast.) 

11:30 AM

me: 3 minutes

11:31 AM 

me: 2 minutes

11:32 AM

me: wait
    peng says he has .8552
    !!

That’s right: one minute before our scheduled submission time, I spied a post by Peng revealing his latest blending effort.  With an estimated score of 0.85525, it soundly trumped our intended submission. I logged onto the Vandelay Industries server to retrieve the predictions file but didn’t know which of the several hundred files was the right one to download.

11:33 AM 

me: Peng -- what file is it quick!

No response.  Peng, you see, unbeknownst to me or anyone else had lost his internet connection and had texted the first post by Blackberry.

11:34 AM

me: WHAT FILE IS IT???

Jacob: This is the best RMSE we’ve seen so far, right? 
       I vote we swing for the fences and submit this   one!

Gabor: 1 minute and i have to submit!!!!!

11:35 AM

me: WE   DON'[T KNOW WHICH FILE--HURRRRRRRRY

Ces: SHouldn't we submit NOW?

Gabor: Lester!!!!!!!

You can imagine my frustration. 

It was now two minutes after our intended submit time and seven minutes until the contest closed.  I searched frantically through the folder for files with .85525 in the name but couldn’t seem to find any.

11:36 AM 

Gabor: !!!

me: i don;'t   know!!
    i can't find it!

Gabor: ok
       i submit yours

And then, I saw it.

11:37 AM 

me: wait
    i found it
    opera_est_0.855259.txt.gz

11:38 AM

Gabor: i'm uploading

me: ok, awesome

Gabor: i'm afraid it was late

me: uh oh
    it's not 11:42 yet

11:39 AM

Gabor: but uploading is slow

me: 4 minutes to spare
    it registered

Gabor: ok submission successful :)


Yes, submission successul.

me: That's what this team's all about -- living on the edge :)

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See the announcement on the official Netflix blog at: http://www.repliquemontrefr.net

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Team Ensemble,

1) Everything Everything Everything ... for a reason

2) If you're not living on the edge ... you're taking up too much space

3) Quitting IS Never An Option

Please do not spend too much time figuring out (although ... figuring things out ... seems to be your business model) what the world of granola is doing intersecting with your world.

I heard about the Netflix contest and somehow, link after link, found myself reading your countdown page.

Exhilarating ... to read about your last minute dash.

I understood ... and that prompted my acknowledgment.

Whatever the outcome ... having no regrets is as good a win as any ... although the cash would be nice too :-)/

Dr. GRANOLA®
occasionally masquerading as ...

Saul Wilner
Founder & President
1-800-GRANOLA, Inc
drgranola@800granola.com

确实是很激动和惊险的最后一刻。可惜当时我在睡觉。
It is a really exciting moment, but I am sleeping at that time.

Wow, I actually felt anxiety reading this!

I've had some really hard-deadlines, couriers picking up optical media (?), secure ports opening for new code shipments and upgrades at 3am etc... so I know that sometimes, at the last minute, you see something and you think... until next time? now? rebuild? can we? should we? OMG!

Snapping a final release build DVD of a huge banking system that was (ceremonially... i know... wtf) going to be delivered was funny... something had fucked up... or taking an encrypted build system on site... then downloading new code over a 20mbit connection and running an on the fly build because 'the wrong version of a spec file was used the whole of the last month' and shit like that... aaah good times....

I was told by a very good teacher of mine, the times he was editing 'by eye' assembly code during life tests of a system that would cost thousands if it failed during this test... I love programming on the edge :-)

some previously passed over for their poor performance and others newly conceived only moments prior, had flooded in from all corners of the team. It was now up to our blenders to work some last-minute magic.click here

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