Home » Archive by category "Recreation" (Page 3)

Facebook 也參戰參與 StarCraft 的 AI 測試,只是成績不太好...

Facebook 也參與了 StarCraft 的 AI 測試,不過成績不太好:「Facebook Quietly Enters StarCraft War for AI Bots, and Loses」。

不過跟 DeepMind 投入的項目不太一樣,Facebook 投入的是 StarCraft,DeepMind 投入的是 StarCraft II...

比賽有二十八組,Facebook 拿下第六名,但前三名都只是獨立愛好者:

Final results released Sunday indicate Facebook still has a way to go: CherryPi finished sixth in a field of 28; the top three bots were all made by lone, hobbyist coders.

不太像認真要玩...

Netflix 在美國漲價

Okay,所以 Netflix 在美國的價錢漲了:「Netflix Is Increasing Its Monthly Subscription Cost」。

基本版不變:

The basic streaming plan, which only allows for streaming on only one screen at a time, will remain at $7.99 a month.

雙螢幕版漲 $1 變成 $10.99:

The company’s most popular plan — which allows customers to stream titles on two devices with a single account — will increase by $1 to $10.99 a month.

四螢幕版漲 $2 變成 $13.99:

The premium plan — which allows customers to use the same account for four screens at once — will increase by $2 to $13.99 a month.

紐約時報的說明是因為自製成本增加,如果是這樣的話,其他地區也應該有可能會找機會漲?

The price hike arrives as Netflix continues to increase production of original TV and movie content. The company said that by the end of the year it will have spent around $6 billion for original content in 2017. In August, Ted Sarandos, Netflix’s chief content officer, told Variety that the company planned to spend about $7 billion for original programming next year.

星海爭霸 II 官方的 AI Workshop

Blizzard 公佈了在十一月的月初將會舉辦星海二的 AI Workshop:「Announcing the StarCraft II AI Workshop」。

On November 3 and 4, Blizzard and DeepMind will co-host the StarCraft II AI Workshop at the Hilton Anaheim hotel, next to the Anaheim Convention Center.

官方 (包括 DeepMind 團隊) 也會針對 SC2LE (Starcraft II Learning Environment) 與 SC2API (StarCraft II API) 提供交流:

Engineers and researchers from Blizzard and DeepMind will also be on-hand to meet with attendees and answers questions about the SC2LE and SC2API.

然後時間會跟 BlizzCon 2017 重疊 (目前看起來是卡到最後兩天),票是不能通用的:

While this event takes place during BlizzCon 2017, it is considered a separate event and is not part of the official BlizzCon program – therefore BlizzCon badges will not grant access to the AI workshop. However, we will be providing a limited pool of shareable BlizzCon badges that attendees of the AI workshop can use to check out BlizzCon and catch the StarCraft II Global Finals for inspiration on how to build superior AIs!

接下來應該會有不少消息出來... DeepMind 團隊的開發進度有可以跟頂尖選手競賽嗎?

imgproxy:自動處理圖片的工具

看到「imgproxy: Resize your images instantly and securely」這篇文章,介紹「DarthSim/imgproxy」這個專案,想起很久以前的同事在 PIXNET 弄的 *.pimg.tw 系列服務...

imgproxy 可以 resizing,也可以 croping,然後也支援 signature token 機制,感覺是每個大一點的站台都會自己刻一次的服務 XD

整個專案以 Golang 為主,效能應該是不錯... 不過一般前面還是會放 cache 機制 (像是 CDN 之類的服務),而不會把 loading 直接打進來,避免同樣的圖片一直重複計算。

用 Xbox 控制器操控潛艇

拿民用品當作軍事器材不是第一次了,不過拿來操作潛艇倒是蠻值得看一下的:「The U.S. Navy's most advanced submarines will soon be using Xbox controllers」。


在 lab 環境測試的畫面。

原因頗簡單,就是成本考量,而且很容易取得:

The company says the photonic mast handgrip and imaging control panel that cost about $38,000 can be replaced with an Xbox controller that typically costs less than $30.

不過有個問題啊,軍用品一般都可以抵抗 EMP,這種民用品應該不行吧 XDDD

歐盟對於盜版是否帶來傷害的研究

歐盟在 2014 年做了關於盜版與銷量的研究,結果一直被壓到最近才發表出來 (於是就大概可以猜到結論了...):「EU Piracy Report Suppression Raises Questions Over Transparency」。

“In general, the results do not show robust statistical evidence of displacement of sales by online copyright infringements,” the study notes.

甚至:

The study found that piracy had a slightly positive effect on the videogames industry, suggesting that those who play pirate games eventually become buyers of official content.

另外也描述了現有電影與 TV-series 定價策略偏高:

“Overall, the analysis indicates that for films and TV-series current prices are higher than 80 per cent of the illegal downloaders and streamers are willing to pay,” the study notes.

難怪被壓著...

AlphaGo 與柯潔下的三盤棋,包括了雙方的講解

Aja Huang (黃士傑) 的 Facebook 上看到 AlphaGo 與柯潔在烏鎮下的三盤棋的講解,這次的講解除了找柯潔與樊麾以外,更重要的是直接拿了與當時相同配備的 AlphaGo 出來使用 (只要柯潔想要看某些變化 AlphaGo 會怎麼應對,樊麾都會輸入進去跑模擬):

需要說明的是,視頻中參與覆盤的AlphaGo與烏鎮峰會比賽的版本和硬體配置(搭配4個TPU的單機版)完全一樣。希望大家享受這三盤精彩的對局,也能從這三個視頻的覆盤研究中有所收穫。祝大家觀影愉快。

PS4 下載速度很慢的原因

在「Why PS4 downloads are so slow」這篇作者花了不少力氣找出原因,發現 PS4 下載速度很慢是故意的... 另外討論了在什麼情況下會變慢,以及要怎麼避免的方式。

懶得看的人可以直接看 Conculsions 那段,主要的原因是 PS4 會因為背景程式而調整 TCP window size (就算背景程式在 idle 也會影響到下載的 TCP window size),進而影響速度:

If any applications are running, the PS4 appears to change the settings for PSN store downloads, artificially restricting their speed. Closing the other applications will remove the limit.

用 TCP window size 來調整速度也算是頗有「創意」的方法...

Anyway,遇到時的解決方法就是把所有在跑的程式都完整關掉,再下載就會正常多了...

Archives