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From: Pavel Machek <>
To: Javier Malave <>
Subject: Re: [RFC 0/9] Popcorn Linux Distributed Thread Execution
Date: Thu, 7 May 2020 19:46:31 +0200
Message-ID: <20200507174631.GE1216@bug> (raw)
In-Reply-To: <>

On Wed 2020-04-29 15:32:47, Javier Malave wrote:
> This patch set adds the Popcorn Distributed Thread Execution support
> to the kernel. It is based off of Linux 5.2 commit 72a20ce. We are
> looking for feedback on design and implementation from the community.

You may want to cc linux-api mailing list...?

> Popcorn Linux is a Linux kernel-based software stack that enables
> applications to execute, with a shared code base, on distributed hosts.
> Popcorn allows applications to start execution on a particular host and
> migrate, at run-time, to a remote host. Multi-threaded applications may
> migrate any particular thread to any remote host. 

Sounds like a lot of fun.

> Popcorn Linux implements a software-based distributed shared memory 
> by extending Linux's virtual memory subsystem and it enables processes 
> on different machines to observe a common and coherent virtual address
> space. Coherency of virtual memory pages of different hosts is ensured 
> using a reader-replicate/writer-invalidate, page-level consistency protocol.

Sounds interesting. I guess this needs very, very fast network. Do you have some performance numbers 

Best regards,
(cesky, pictures)

      parent reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0>
2020-04-29 19:32 ` Javier Malave
2020-04-29 19:32   ` [RFC 1/9] Core Popcorn Changes Javier Malave
2020-04-29 19:32   ` [RFC 2/9] Add x86 specifc files for Popcorn Javier Malave
2020-04-29 19:32   ` [RFC 3/9] Temporary revert L1TF mitigation " Javier Malave
2020-04-29 19:32   ` [RFC 4/9] Popcorn system call additions Javier Malave
2020-04-29 19:32   ` [RFC 5/9] Popcorn Utility Javier Malave
2020-04-29 19:32   ` [RFC 6/9] Process Server for Popcorn Distributed Thread Execution Javier Malave
2020-04-29 19:32   ` [RFC 7/9] Virtual Memory Address Server for " Javier Malave
2020-04-29 19:32   ` [RFC 8/9] Page " Javier Malave
2020-04-29 19:32   ` [RFC 9/9] Add Popcorn Message Layer and socket support Javier Malave
2020-05-07 17:46   ` Pavel Machek [this message]

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