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Important paper from Google on large batch optimization. They do impressively careful experiments measuring # iterations needed to achieve target validation error at various batch sizes. The main "surprise" is the lack of surprises. [thread]

https://t.co/7QIx5CFdfJ

The paper is a good example of lots of elements of good experimental design. They validate their metric by showing lots of variants give consistent results. They tune hyperparamters separately for each condition, check that optimum isn't at the endpoints, and measure sensitivity.

They have separate experiments where the hold fixed # iterations and # epochs, which (as they explain) measure very different things. They avoid confounds, such as batch norm's artificial dependence between batch size and regularization strength.

When the experiments are done carefully enough, the results are remarkably consistent between different datasets and architectures. Qualitatively, MNIST behaves just like ImageNet.

Importantly, they don't find any evidence for a "sharp/flat optima" effect whereby better optimization leads to worse final results. They have a good discussion of experimental artifacts/confounds in past papers where such effects were reported.

Sri Parasurameswara Swamy Mandir, Gudimallam, Andhrapradesh

Gudimallam is a small village located in Chittoor district. It is seven miles away from Tirupati. This small village came to significance,due to it's very beautiful Shiva Mandir with history of thousands of years. 1/n

The main importance of the mandir lies in the Linga which is housed in the Garbhagriha of the temple & considered as the only one of such type. It is the earliest Linga discovered so far and it has been assigned to the 3rd century BCE.(Satavahana period) 2/n

SRI CHAMPAKADHAMA SWAMY, BANNERGHATTA HILL, BENGALURU (KAR)
#bharatmandir

The shrine is dedicated to Sri Vishnu along with Devi Lakshmi and Bhoodevi.
It is built in an area full of Champaka trees.
As champaka flowers are offered to Sri Vishnu here, it is called Champakadhama.

It is believed that King Janmejaya had sarpa-dosha. To get rid of it, he took bath in the nearby pond. He emerged with a golden body and sarpa-dosha was also removed. The pond is called Swarnamukhi and believed to have curative powers.
Sri Vishnu murti was consecrated by him.

It is also believed that this forest area was the Dandakaranya where Sri Ram stayed in exile.
Some believe that the original shrine was built by Pandavas.
The pushkarni/pond is emptied once a year so that the rock at the bottom (which has image of Anjaneya) may be worshipped.

"How the Avengers would respond to the Capitol riot" (a thread)

CAPTAIN AMERICA - tells Falcon, "I fought Nazis once before. They're extremely dangerous." They then see the guy scaling the Capitol wall fall into the shrubs. Falcon: "You sure these are the same Nazis?"

IRON MAN - lands by the guy carrying the podium. Says, "Mind if I borrow this?" then tosses it to Hulk, who swings it like a bat at the mob. Guy: "Hey, that's MY podium!" Iron Man: "Actually it's the Speaker's. And technically, it's a lectern." Then punches him through a wall.

BLACK WIDOW - enters hotel room where Jack Dorsey is tied up. Rips duct tape off his mouth. Jack: "I'll do anything you want!" BW: "Disable POTUS's Twitter. NOW!" Jack fumbles with his phone. "Done. Anything else?" BW: "Yeah. Trim your beard for God's sake." *tosses him clippers*

HULK - grabs a selfie stick from one of the guys and beats him over the head with it. Deeming it too small, he grabs another guy's Confederate flag and takes out a whole swath of rioters. He then tosses the flag to Cap, who uses it as a javelin to impale a fleeing Ted Cruz.

HAWKEYE - hears Iron Man in his earpiece say, "Looks like Orange Julius is tweeting from another account." Hawkeye: "On it." He locks in on Trump through the White House window and fires an arrow, knocking the phone out of Trump's hands. Hawkeye: "Damn that felt good."

Story of Thumba Poo and Shiva

Thumba poo is a tiny white flower which grows in all areas. These flowers are used for treatment for sinus. Small children who have polyps in Nose are told to crush tumbha leaves and apply in nose part.
There is an interesting story of Thumba and

Mahadeva. Thumba flowers were not taken for Shiva Pooja. Saddened to this Thumba prayed sincerely and Mahadeva appeared before her.
She was surprised that Shiva had appeared before her. Instead of saying that she wants to under his feet always, she said
@SriramKannan77

She said that her feet should be on his head. Shiva accepted her prayers. It is because of this Thumba flower is placed in the head of Shiva Linga.
Shambo Mahadeva
Om Namah Sivaye
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