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posted by janrinok on Saturday August 27 2016, @06:42AM   Printer-friendly
from the faster-clouds dept.

Princeton University researchers presented a 25-core "manycore" CPU at the Hot Chips conference:

It was a week for chip launches with the Hot Chips conference setting the stage for the unveiling of the IBM Power9 processor (report forthcoming) and a custom ARM-based 64-core CPU from Chinese firm Phytium Technology. A 25-core academic manycore processor out of Princeton University also made its debut from the Silicon Valley event.

[...] "With Piton, we really sat down and rethought computer architecture in order to build a chip specifically for data centers and the cloud," said David Wentzlaff, a Princeton assistant professor of electrical engineering and associated faculty in the Department of Computer Science in an official announcement. "The chip we've made is among the largest chips ever built in academia and it shows how servers could run far more efficiently and cheaply."

Piton is based on the SPARC V9 64-bit ISA and supports Debian Linux. After being designed in early 2015, Piton was taped-out in IBM's 32nm SOI process. The 6×6 millimeter die has more than 460 million transistors. The silicon has been tested in the lab and is working, according to the research team.

The design is open source (open, DOI: 10.1145/2954679.2872414) (DX). More information here.


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  • (Score: 2) by Scruffy Beard 2 on Sunday August 28 2016, @05:03AM

    by Scruffy Beard 2 (6030) on Sunday August 28 2016, @05:03AM (#394103)

    Wait, does 20 count?

    Starting Score:    1  point
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  • (Score: 2) by Bot on Sunday August 28 2016, @05:06PM

    by Bot (3902) on Sunday August 28 2016, @05:06PM (#394257) Journal

    Yes, luckily for the VMs, but they are thinking about removing that corner case and offer systemd-VMd, basically to hurt docker.

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  • (Score: 2) by Wootery on Tuesday August 30 2016, @12:25PM

    by Wootery (2341) on Tuesday August 30 2016, @12:25PM (#395228)

    How about 2log2(3)?

    • (Score: 2) by Bot on Thursday September 08 2016, @03:02PM

      by Bot (3902) on Thursday September 08 2016, @03:02PM (#399180) Journal

      The smartassd detector will be triggered and systemd will probably reflash the BIOS EEPROM in retaliation. If you are lucky, though, the formula will yield a rounding error and systemd will simply coredump.

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      • (Score: 2) by Wootery on Saturday September 10 2016, @11:17PM

        by Wootery (2341) on Saturday September 10 2016, @11:17PM (#400131)

        Worth it.