# Latest

**URL:** https://community.tenstorrent.com/latest.md

[Latest](https://community.tenstorrent.com/latest.md) · [Categories](https://community.tenstorrent.com/categories.md) · [Tags](https://community.tenstorrent.com/tags.md)

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## [P100/p150 PCIe Root Complex](https://community.tenstorrent.com/t/p100-p150-pcie-root-complex/70)

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**Author:** [@kevpatt](https://community.tenstorrent.com/u/kevpatt)\
**Replies:** 0\
**Last updated:** [July 1, 2025, 2:23am UTC](https://community.tenstorrent.com/t/p100-p150-pcie-root-complex/70 "2025-07-01T02:23:50Z")

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I have a two-part question regarding the new Blackhole-based p100/p150 cards. Does the Blackhole processor physically implement a PCIe Root Complex mode? In other words, is it technically possible to switch the PCIe 5…

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## [Blackhole: is an ATX3.1 PSU a hard requirement?](https://community.tenstorrent.com/t/blackhole-is-an-atx3-1-psu-a-hard-requirement/64)

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**Author:** [@hsnyder](https://community.tenstorrent.com/u/hsnyder)\
**Replies:** 0\
**Last updated:** [April 14, 2025, 2:05am UTC](https://community.tenstorrent.com/t/blackhole-is-an-atx3-1-psu-a-hard-requirement/64 "2025-04-14T02:05:06Z")

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The Blackhole p150a system requirements lists an ATX3.1 PSU. Is it safe to use an nvidia-stype 4xPCIe to 12VHPWR adapter with an older power supply for a Blackhole p150a, or is a new ATX3.1 PSU a hard requirement?

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## [Where to find hardward documentation?](https://community.tenstorrent.com/t/where-to-find-hardward-documentation/62)

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**Author:** [@hsnyder](https://community.tenstorrent.com/u/hsnyder)\
**Replies:** 1\
**Last updated:** [April 11, 2025, 7:38pm UTC](https://community.tenstorrent.com/t/where-to-find-hardward-documentation/62 "2025-04-11T19:38:59Z")

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Hi. I ordered a Blackhole card and am starting to read up on the programming model while I wait for it to arrive. Where do I look for detailed information about a specific hardware model? For example, suppose I want to i…

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## [Upcoming Office Hours -- Chat with TT Engineers!](https://community.tenstorrent.com/t/upcoming-office-hours-chat-with-tt-engineers/58)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [March 31, 2025, 3:26pm UTC](https://community.tenstorrent.com/t/upcoming-office-hours-chat-with-tt-engineers/58 "2025-03-31T15:26:54Z")

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:technologist: We just scheduled our next office hours with TT engineers for Wednesday, April 16 at 9:00 am PT. We’re trying out some times that are hopefully more EMEA-friendly, so please let me know what works best for…

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## [Upcoming webinar: Modeling multi-device and scale-out in a compiler](https://community.tenstorrent.com/t/upcoming-webinar-modeling-multi-device-and-scale-out-in-a-compiler/56)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [March 26, 2025, 6:22pm UTC](https://community.tenstorrent.com/t/upcoming-webinar-modeling-multi-device-and-scale-out-in-a-compiler/56 "2025-03-26T18:22:05Z")

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We’re excited to start kicking off more community events where Tenstorrent engineers go in-depth on topics that cover all parts of the AI software stack! Join Tenstorrent online on Wednesday, April 30th for a deep dive …

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## [Sys Eng, PCI Driver, and FW](https://community.tenstorrent.com/t/sys-eng-pci-driver-and-fw/25)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:06pm UTC](https://community.tenstorrent.com/t/sys-eng-pci-driver-and-fw/25 "2025-01-16T22:06:40Z")

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KMD: Please navigate to GitHub - tenstorrent/tt-kmd: Tenstorrent Kernel Module and follow the readme to install the kernel mode PCI driver. Flash: Please navigate to GitHub - tenstorrent/tt-flash: Tenstorrent Firmware U…

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## [LLMs x Law Hackathon - April 6](https://community.tenstorrent.com/t/llms-x-law-hackathon-april-6/49)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [March 25, 2025, 4:29pm UTC](https://community.tenstorrent.com/t/llms-x-law-hackathon-april-6/49 "2025-03-25T16:29:24Z")

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:megaphone: Exciting news! Tenstorrent will be at the LLMs x Law Hackathon at Stanford on Sunday, April 6 ! This event brings together hundreds of technologists and legal professionals to tackle challenges in the legal s…

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## [This Thursday: Attend our online event!](https://community.tenstorrent.com/t/this-thursday-attend-our-online-event/48)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [March 10, 2025, 6:17pm UTC](https://community.tenstorrent.com/t/this-thursday-attend-our-online-event/48 "2025-03-10T18:17:24Z")

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Join us online on March 13 at 4:00PM PT/7:00PM ET to learn about Tenstorrent from one of our engineers! AI Hardware Systems for All: An Intro for Software Developers —\> Tenstorrent (Online on Discord) This is a great o…

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## [🤩 New Upcoming Events!](https://community.tenstorrent.com/t/new-upcoming-events/47)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [February 27, 2025, 6:04pm UTC](https://community.tenstorrent.com/t/new-upcoming-events/47 "2025-02-27T18:04:16Z")

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:wave: Hi everyone! We have some exciting events coming up in the next couple of weeks: Next-Gen AI Infra with GenAI Collective, Tenstorrent, and Koyeb @Plug and Play Tech Center —\> Next-Gen AI Infra with GenAI Collecti…

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## [Announcing the Tenstorrent Bounty Program!](https://community.tenstorrent.com/t/announcing-the-tenstorrent-bounty-program/46)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [February 24, 2025, 5:20pm UTC](https://community.tenstorrent.com/t/announcing-the-tenstorrent-bounty-program/46 "2025-02-24T17:20:40Z")

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We’re thrilled to launch the Tenstorrent Bounty Program—a new way for our open-source community to make meaningful contributions to our Open-source repositories. Whether you’re tackling a simple bug fix, implementing a n…

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## [Office Hours with Tenstorrent: Accelerate AI & Optimize with Our Engineers 🚀](https://community.tenstorrent.com/t/office-hours-with-tenstorrent-accelerate-ai-optimize-with-our-engineers/43)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [January 23, 2025, 7:04pm UTC](https://community.tenstorrent.com/t/office-hours-with-tenstorrent-accelerate-ai-optimize-with-our-engineers/43 "2025-01-23T19:04:47Z")

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Are you an AI engineer interested in accelerating training and inference? Or a low-level kernel developer focusing on optimization? Then join us for an Office Hours Session with the Tenstorrent engineering team! :tada: T…

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## [How do I get started?](https://community.tenstorrent.com/t/how-do-i-get-started/41)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [January 22, 2025, 4:45pm UTC](https://community.tenstorrent.com/t/how-do-i-get-started/41 "2025-01-22T16:45:11Z")

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To get started with development on Tenstorrent, check out the Starting Guide in the documentation. This covers hardware and software installation along with next steps.

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## [Installation and running matmul\_single\_core example](https://community.tenstorrent.com/t/installation-and-running-matmul-single-core-example/29)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:23pm UTC](https://community.tenstorrent.com/t/installation-and-running-matmul-single-core-example/29 "2025-01-16T22:23:01Z")

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Question I have installed tt-metal as shown in the installation guide. Now I would like to execute the matmul single core example (https://docs.tenstorrent.com/tt-metalium/latest/tt\_metal/examples/matmul\_single\_core.ht…

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## [Is computation run on a Tenstorrent Tensix core accelerator card guaranteed to be deterministic?](https://community.tenstorrent.com/t/is-computation-run-on-a-tenstorrent-tensix-core-accelerator-card-guaranteed-to-be-deterministic/28)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:12pm UTC](https://community.tenstorrent.com/t/is-computation-run-on-a-tenstorrent-tensix-core-accelerator-card-guaranteed-to-be-deterministic/28 "2025-01-16T22:12:31Z")

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Question General Q: Is computation run on a Tenstorrent Tensix core accelerator card guaranteed to be deterministic? Specifically, imagine you set up several (n+1; n\>1) servers with identical hardware + a N300S card an…

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## [Safe importing of main module - \`freeze\_support()\` Error](https://community.tenstorrent.com/t/safe-importing-of-main-module-freeze-support-error/27)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:09pm UTC](https://community.tenstorrent.com/t/safe-importing-of-main-module-freeze-support-error/27 "2025-01-16T22:09:44Z")

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If trying to run pybuda application from a Python file (.py), make sure that the main module can be safely imported by a new Python interpreter without causing unintended side effects (such a starting a new process). On…

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## [System Compatibility](https://community.tenstorrent.com/t/system-compatibility/26)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:07pm UTC](https://community.tenstorrent.com/t/system-compatibility/26 "2025-01-16T22:07:05Z")

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OS: Presently, Tenstorrent software is only supported on the Ubuntu 20.04 LTS (Focal Fossa) operating system. PCIe: To get maximum performance, we recommend PCIe 4.0x16. However, the cards and software stacks will run w…

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## [How does the core dedicated for memory processing/data kernel processing address the DRAM?](https://community.tenstorrent.com/t/how-does-the-core-dedicated-for-memory-processing-data-kernel-processing-address-the-dram/24)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:05pm UTC](https://community.tenstorrent.com/t/how-does-the-core-dedicated-for-memory-processing-data-kernel-processing-address-the-dram/24 "2025-01-16T22:05:46Z")

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RISC-Vs are 32 bit processors and 2 RISC-Vs run data movement kernels - they have access to 2 NOCs and their DMA engines. They can issue efficient read/writes from L1/DRAM to gather and scatter the data needed for compu…

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## [PermissionError on /tmp/\*.lock files](https://community.tenstorrent.com/t/permissionerror-on-tmp-lock-files/23)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:05pm UTC](https://community.tenstorrent.com/t/permissionerror-on-tmp-lock-files/23 "2025-01-16T22:05:18Z")

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If multiple users are running on a system with a shared Tenstorrent device, you may encounter an error like: PermissionError: \[Errno 13\] Permission denied: '/tmp/\*.lock'. You would need to remove these files between us…

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## [How to Reset an Accelerator Board](https://community.tenstorrent.com/t/how-to-reset-an-accelerator-board/22)

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**Author:** [@noahhein](https://community.tenstorrent.com/u/noahhein)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 10:04pm UTC](https://community.tenstorrent.com/t/how-to-reset-an-accelerator-board/22 "2025-01-16T22:04:30Z")

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If a Tenstorrent chip seems to hang and/or is producing unexpected behaviour, you may try a software reset of the board. For Grayskull: tt-smi -tr all If the software reset does not work, unfortunately you will have to…

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## [Welcome to the Tenstorrent community! 👋](https://community.tenstorrent.com/t/welcome-to-the-tenstorrent-community/21)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [January 15, 2025, 8:40pm UTC](https://community.tenstorrent.com/t/welcome-to-the-tenstorrent-community/21 "2025-01-15T20:40:49Z")

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We’re glad to have you here! This is a place to ask questions and share projects on Tenstorrent. Here are some things you can do to get started: :speaking\_head: Introduce yourself by adding your picture and informatio…

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## [Join us at FOSDEM '25, and more!](https://community.tenstorrent.com/t/join-us-at-fosdem-25-and-more/20)

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**Author:** [@anon94511361](https://community.tenstorrent.com/u/anon94511361)\
**Replies:** 0\
**Last updated:** [January 15, 2025, 4:44pm UTC](https://community.tenstorrent.com/t/join-us-at-fosdem-25-and-more/20 "2025-01-15T16:44:13Z")

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Looking to learn something new while connecting with Tenstorrent developers? Join with Tenstorrent team and community members at these upcoming events: Feb 2: Check out these talks on Tenstorrent at FOSDEM in Brussels, …
