fmeyer

Secure Data Transfer Model Overview

Background Knowledge

• The session covers the basics of the Input/Output Memory Management Unit (IOMMU) and virtual IOMMU, and why there is a need for a new secure data transfer model.
• The IOMMU is a hardware unit that handles I/O translation and device isolation. A virtual IOMMU acts like a real one.

Current Data Transfer Model and Its Limitations

• The current data transfer model involves exposing the entire guest memory address space to the driver, which could potentially be exploited by malicious programs.

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Common

export OPT=/opt
export BUILDS=/some/where/mini_linux
mkdir -p $BUILDS

Linux kernel

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Summary

Holographic Wormhole

• The journal "Nature" published a cover story about a holographic wormhole created inside a quantum computer, sparking a flurry of tweets and news headlines.
• No wormhole has been observed or produced.
• The wormhole is a mathematical representation within a quantum computer.
• The story exaggerated the creation of a wormhole and the capabilities of quantum computers.
• This incident is an example of bad communication within the scientific community.

Incentives and Bad Communication in Science

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OpenAI DevDay Key Announcements

Past Accomplishments

1. A year ago, OpenAI launched ChatGPT as a "low-key research preview".
2. In March, they launched GPT-4, the most capable model in the world.
3. They have since launched voice and vision capabilities for ChatGPT.
4. DALL-E 3, the world's most advanced image model was recently launched.
5. For enterprise customers, they launched ChatGPT Enterprise with increased security, privacy, and speed.
6. OpenAI has around 2 million developers building on their API and about a hundred million weekly active users on ChatGPT.

fmeyer

#declare FrameNumber = clock; // clock ranges from 0 to 1

camera {
  location  <FrameNumber * 10, FrameNumber * 10, -20>
  look_at   <0, 0, 0>
  angle 60  // Adjust the field of view, larger means wider field of view.
}

// Light source
light_source {

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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

// This program produced false race reports when run under the C/C++
// ThreadSanitizer, as it did not understand the synchronization in
// the Go code.

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##### ../misc/cgo/testsanitizers
--- FAIL: TestShared (0.03s)
    --- FAIL: TestShared/tsan_shared (2.19s)
        cshared_test.go:71: `/tmp/TestShared464897178/tsan_shared` exited with exit status 66
            ==================
            WARNING: ThreadSanitizer: data race (pid=146300)
              Write of size 8 at 0x7fc3bfc95c10 by thread T1:
                #0 pthread_attr_getstacksize <null> (tsan_shared+0x00000041d5c2)
                #1 x_cgo_init <null> (libtsan_shared.so+0x000000098a15)

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<center>
{{ if .IsNamedParams }}
	{{- $site := .Get "site" -}}
	{{- $name := .Get "name" -}}

	{{- $domains := split $site "," -}}
	{{- $domains := apply $domains "printf" "site:%s" "." -}}
	{{- $domains := delimit $domains " || " -}}
	{{- $domains := printf " ( %s )" $domains -}}

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Werfqwerqwe

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Keybase proof

I hereby claim:

• I am fmeyer on github.
• I am fmeyer (https://keybase.io/fmeyer) on keybase.
• I have a public key ASACZeH6C6IwHYvOSvYXk71kOPmjafmtEmGpzf7NvrvatQo

To claim this, I am signing this object: