래즈베리 파이가 벌써 출시된지 4년이 되어가고 v3까지 팔리고 있습니다. V3는 ARMv8 A53으로 첫번째 64bit processor가 됩니다. 올라가는 OS는 아직 32bit이라고 하고요. WIFI와 BT가 내장인데, LAN은 100MBps지원입니다. 기본가격은 35불. 주요칩은 브로드컴으로 부터 공급받습니다.

BCM2837 = AP

BCM43438 = Wireless combo

• A 1.2GHz 64-bit quad-core ARM Cortex-A53 CPU (~10x the performance of Raspberry Pi 1)
• Integrated 802.11n wireless LAN and Bluetooth 4.1
• Complete compatibility with Raspberry Pi 1 and 2

https://www.raspberrypi.org/blog/raspberry-pi-3-on-sale/

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Raspberry Pi 2의 경우 여러 kit과 함께 저렴하게 판매중입니다.

http://www.amazon.com/Eleduino-Raspberry-Integrated-Computer-Dongle/dp/B01ARQXMTC/ref=sr_1_10?s=electronics&ie=UTF8&qid=1456835869&sr=1-10&keywords=raspberry+pi+kit

http://www.amazon.com/components---Module--200-Guide--Edimax-Adapter--8GB-Adapter--Case--Power/dp/B00UGBI91U/ref=sr_1_6?s=electronics&ie=UTF8&qid=1456836126&sr=1-6&keywords=raspberry+pi+camera

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GSP + two Cameras

http://pidashcam.blogspot.com/

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오드로이드 - Odroid C2

• 2 GHz Amlogic S905 ARM Cortex-A53 quad-core processor with Mali-450 graphics
• 2GB RAM
• Gigabit Ethernet
• HDMI 2.0 with 4K/60 Hz and H.265/H.264 support
• 40 pin GPIO and 7 pin I2S
• 4 USB 2.0 ports
• IR receiver

http://liliputing.com/2016/02/40-odroid-c2-is-faster-has-more-memory-than-raspberry-pi-3.html

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바나나 파이 - Eleduino Banana Pi M3

http://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Dcomputers&field-keywords=Eleduino+Banana+Pi+

http://www.eleduino.com/

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Allwinner chip으로 만든 빵빵한 놈, Cortex-A7 QUAD/Octa core까지 다양하게 있음.

http://cubieboard.org/

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CHIP - $9 computer

http://getchip.com/pages/chip

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Qualcomm Snapdragon Dragonboard

https://developer.qualcomm.com/hardware/dragonboard-410c

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TI Beagleboard

http://beagleboard.org/black

TI Sensor Tag

http://www.ti.com/ww/en/wireless_connectivity/sensortag2015/?INTC=SensorTag&HQS=sensortag

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이런거 보면 삼성 진짜 대단하단 생각이 듭니다. 어마어마한 돈도 투자하고 엔지니어들고 갈아 넣었겠지만, 쉽지 않았지만 이제 세계 선두권에서 경쟁할수 있다고 봐도 될정도입니다.

첫번째 삼성의 custom ARM Core가 될테고요. custom core를 design할수 있는 회사는 애플, 퀄컴, 삼성 말고는 없습니다.

GPU는 ARM의 Mali T-880

Modem도 LTE Rel.12 Cat.12/13 지원으로 어디에도 꿀리지 않을것 같고

지역에 따라 어떤 모델은 퀄컴 S820(MSM8996)이 쓰일텐데 1대1 benchmark에서도 10-15% 우위에 있을것으로 생각이 됩니다. 1월에 출시되면 다이다이로 밴치마크가 빨리 올라오면 좋겠네요.

GPU도 좀더 차별화하고 강화하려면 AMD를 사던지 하면 좋겠네요.

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Samsung Unveils the Latest Application Processor, Exynos 8 Octa, Built on 14-Nanometer FinFET Process Technology

http://global.samsungtomorrow.com/samsung-unveils-the-latest-application-processor-exynos-8-octa-built-on-14-nanometer-finfet-process-technology/

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http://www.stuff.tv/me/news/samsung-shows-new-exynos-8-octa-processor

Like the Snapdragon 820, the new Exynos offering will also integrate the latest LTE tech - meaning download speeds of up to 600Mbps. Perfect for streaming 4K on the divine display the Galaxy S7 will likely be toting.

Talking of the 820, the side-by-side performance of the two next-gen chips is the real story here. With the (in)famous Samsung split from Snapdragon for the Galaxy S6, how the 820 holds up alongside the Exynos 8890 could be pivotal for Qualcomm.

---------------

http://www.sammobile.com/2015/11/16/rumored-model-numbers-for-snapdragon-820-and-exynos-8890-powered-galaxy-s7-and-galaxy-s7-edge/

As per this list the Galaxy S7 (SM-G930) and the Galaxy S7 edge (SM-G935) will be available with either the Snapdragon or Exynos processor depending upon markets and wireless carriers. The Snapdragon 820 powered models are listed for China (SM-G9300, SM-G9350), Verizon (SM-G930V, SM-G935V), Sprint (SM-G930P, SM-G935P) and US Cellular (SM-G930R4, SM-G935R4). It’s interesting to note that all of these are apparently destined for CDMA carriers.

---------------

http://seekingalpha.com/article/3679336-the-new-samsung-exynos-8890-is-bad-news-for-qualcomm-in-2-ways

The New Samsung Exynos 8890 Is Bad News For Qualcomm In 2 Ways

ARM에 맞는 stable kernel을 관리해주는 사람이 있었네요. 중요한 feature는 back port도 해주고 아주 친절하네요.

-------------------

https://wiki.linaro.org/LSK

Linaro Stable Kernel (LSK)

Overview

Linaro Stable Kernel (LSK) aims to provide a stable basis for system integration of ARM hardware, integrating Linaro developed features available in mainline with kernel.org Long Term Stable (LTS) releases to allow integration of those features in production systems.

Most LSK features can be disabled at either build or run time so are included as part of the core LSK functionality. To support those feature sets which have substantial impacts on the kernel and cannot be disabled at build or run time the LSK is provided in multiple flavours. Currently these are:

• "Core" - features which can be runtime disabled

• "Android" - additional changes from AOSP

• "RT" - the RT patch set adding realtime features to the Linux kernel

The number of flavours is kept to a minimum in order to make selection simpler. As much as possible is in the core LSK in order to ensure that features are as widely available as possible.

Currently the LSK release in Feature mode is base based on kernel version v3.18. Note: details for maintenance mode LSK versions can be found below.

Support

Each Linaro Stable Kernel (LSK) is maintained for two years. During the first year [Feature-Mode], both features and bug fixes are integrated and during the second year [Maintenance-Mode] only bug fixes are integrated. Bug reports should be filed against Linaro Stable Kernel project. Any queries should be directed to the Linaro support system in the first instance.

Adding code to LSK

Any bug fixes which apply to the standard kernel and could be included in a kernel.org LTS release should be submitted there, the kernel.org LTS releases are integrated into the LSK.

New features need to be reviewed by the TSC in discussion with the LSK team. Features should be present in current versions of the upstream kernel or in the process of being integrated there.

Code specific to the LSK should be submitted to the LSK team for review by e-mail using standard kernel submission techniques such as patches in e-mail or git pull requests. The addresses to send things to are:

• LSK Tech Lead: Kevin Hilman <khilman AT linaro DOT org>

• LSK Engineer: Alex Shi <Alex.Shi AT linaro DOT org>

• Linaro Kernel mailing list <linaro-kernel AT lists DOT linaro DOT org>

Please include "LSK feature request" in the Subject line.

The submission should include information to help track upstream work on the feature, in order of preference:

1. Commit IDs from the standard kernel in the changelogs of the individual patches.
2. A description of how the equivalent change was made upstream or why it isn't required in LSK (eg, explaining that this is taken care of by features not present in the stable kernel).
3. References to where out of tree development is happening including contact information for followup.

This will aid ongoing maintenance of the features. Any new features should be discussed with the LSK team in advance to determine the most straightforward approach.

Features in LSK v3.18 [Feature Mode]

Getting LSK

Linaro Stable Kernel (LSK) is available in a git repository on git.linaro.org. There are branches for each flavor of the kernel:

PC에서도 많이 올라가지 않는 코어수가 모바일폰에서 많이 올라가는 것은 전혀 의미가 없다고 생각합니다. 하지만 코어하나 늘리는데 원가가 거의 차이가 없는 상황에서라면 코어를 많이 늘려서 파워와 performance에 도움을 줄수 있다면 늘리는 것도 좋은 방법이라고 생각합니닫. 코어가 10개가 들어간다는데

• 2 x 2.5GHz Cortex-A72 cores
• 4 x 2GHz Cortex-A53 cores
• 4 x 1.4GHz Cortex-A53 cores

ARM의 A57이 좀 문제가 많다더니 A57를 넣지 않았네요. 높은 성능이 필요할때만 A72 duo core를 이용합니다. ARM의 Big-Little 구조에서 Big-Middle-Little구조라고 마케팅해야할것 같습니다. 눈을 감고 잘 생각해보니 이게 좋은 묘수입니다.

http://www.engadget.com/2015/05/12/mediatek-helio-x20-deca-core-mobile-chip/

원글에 한사람이 이런 댓글을 달았네요. 몇년내에 10 아래(큰숫자)로도 많이 내려갈것도 같고요. 다시 Quad core로 돌아갈것 같기도하고요.

Imagination이 주도하는 MIPS에 Qualcomm, Intel, Broadcom이 조인한다는 뉴스입니다. MIPS가 ARM보다 ultra low-power에 더 좋은걸까요? 아니면 한쪽으로 쏠림방지를 위한 Plan B or C 정도로 다리하나 걸치려는 걸까요?

Intel, Qualcomm, Broadcom firms join MIPS open-source push

Qualcomm Atheros, Lantiq (part of Intel) and Broadcom have appointed representatives to the board of the Prpl (‘purple’) Foundation, organisation set-up by Imagination Technologies to support open-source software on the MIPS architecture. 

At the same time, CUPP Computing, Elliptic Technologies, Imperas Software, Kernkonzept and Seltech joined the foundation at lower levels. 

“Newcomers to the prpl Foundation’s board of directors will participate at the executive level and appoint representatives to the technical steering committee and to engineering groups including the security, prplWrt, and QEMU (quick emulator) engineering groups”, said the Foundation.

Prpl, is open to other architectures, and focusses on “datacenter-to-device portable software and virtualised architectures”, it said. Initial domains onm its hit list are: datacenter, networking, storage, connected consumer, embedded and IoT. 

- See more at: http://www.electronicsweekly.com/news/business/intel-qualcomm-broadcom-firms-join-mips-open-source-push-2015-05/#sthash.I9oPf3PR.dpuf