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2008 LLVM Developers' Meeting
- Proceedings
- Attendees
|
- What: The second general meeting of LLVM Developers and Users.
- Why: To get acquainted, learn how LLVM is used, and exchange
ideas.
- When: August 1, 2008
- Where: Apple Campus
|
Sponsored By: Apple, Google, Adobe, University of Illinois
The meeting served as a forum for LLVM
developers and users to get acquainted, learn how LLVM is used, and
exchange ideas about LLVM, future extensions, and its (potential)
applications.
Proceedings
The day was structured to have general overview/introduction talks about some
major LLVM subsystems, followed by talks on applications of LLVM for various
specific projects.
In addition to being available here, the videos are also available on youtube.
| Media | Who | Description |
|---|
|
[Video]
|
Chris Lattner
Apple, Inc. |
Welcome and Thanks - A brief welcome, thanks and some logistics
for the day. |
|
[Slides]
[Video]
|
Steve Naroff
Apple, Inc. |
Clang Internals - Clang is
is a new C/ObjC/C++ front-end in development as part of the LLVM project.
This talk describes its current status, high level architecture, and how
its Abstract Syntax Trees (ASTs) work.
|
|
[Slides]
[Video]
|
Dan Gohman
Apple, Inc. |
CodeGen Overview and Focus on SelectionDAGs - A high-level
overview of the LLVM Code Generator, with specific depth and overview in the
area of the SelectionDAG phases.
|
|
[Slides]
[Video]
|
Evan Cheng
Apple, Inc. |
LLVM Register Allocation - Description of the current design and
architecture of the LLVM register allocator. The talk discusses some
optimizations that are currently performed as well as describing future
directions and where we'd like to go.
|
|
[Slides]
[Video]
|
Nate Begeman
Apple, Inc. |
Building an Efficient JIT - LLVM provides many of the facilities
that you need to assemble a JIT for various purposes. This talk walks
you through construction of a simple JIT for C code (based on Clang) and
talks about some of the important APIs for doing this. After getting it
working, Nate describes the efficiency implications of various choices and
describes how to dramatically improve the efficiency of the first
implementation.
|
|
[Slides]
[Video]
|
Chuck Rose III
Adobe Inc. |
Adobe Image Foundation and Adobe PixelBender - Adobe Image
Foundation is a system for JIT compiling code written in the Adobe
PixelBender language to run on the CPU and GPU. This talk describes how
AIF and PixelBender work and how it uses LLVM to evaluate dependencies,
reason about dirty regions of images, and do pixel processing when a GPU
cannot handle a program.
|
|
[Slides]
[Video]
|
Ted Kremenek
Apple, Inc. |
Finding Bugs with the Clang Static Analyzer - The Clang Static
Analyzer is a standalone tool that find bugs in C and Objective-C
programs. The analyzer is 100% open source and part of the Clang
project (a new C/Objective-C/C++ frontend for LLVM). Although still
very early in its development, the tool has been effective at finding
thousands of bugs in real-world C and Objective-C programs. This talk
presents a high-level overview of the goals, implementation, and
current status of the tool.
|
|
[Slides]
[Video]
|
Nuno Lopes
Instituto Superior Tecnico |
Building a JIT compiler for PHP in 2 days - This talk describes
the implementation of the PHP interpreter and how it was easily changed into
an LLVM JIT. This discusses why the facilities that LLVM provides make this
easy, and gives some (very early) results.
|
|
[Slides]
[Video]
|
Anton Korobeynikov
Saint Petersburg State University |
llvmc2 Compiler Driver - 'llvmc2' is the LLVM Compiler Driver,
which is useful to people building new languages and tools from the LLVM
toolchain. This talk describes the constraints and purpose of a compiler
driver and discusses how llvmc2 fills the needs and works with those
constraints. Finally, the talk describes some of the low-level architecture
and future directions of llvmc2.
|
|
[Slides]
[No video]
|
John Criswell
University of Illinois |
SVA: Using LLVM to Provide Memory Safety - SVA is an aggressive approach to
provide an efficient compiler-based system with memory safety on top
of the LLVM IR. Unfortunately, video is not available due to
camera problems.
|
|
[Slides]
[Video]
|
Nicolas Geoffray
Universite Pierre et Marie Curie |
The VMKit Project - VMKit is an implementation of the Java and
.NET Virtual Machines that use LLVM to optimize and JIT compile the code.
This talk describes how VMKit integrates components from various systems,
how bytecode translation works, describes the current performance status
of the system, and discusses areas for future extension.
|
|
[Slides]
[Video]
|
Tim Sander
Technischen Universitat Darmstadt |
Designflow: using LLVM to compile to Hardware - This project uses
LLVM to compile code to a mixed hardware and software implementation. This
detects pieces of programs that may be efficiently compiled to VHDL and
synthesized them onto an FPGA. The rest of the program is compiled to
PowerPC code and uses to drive the FPGA. The system automatically handles
data migration and other handshaking between the two systems.
|
|
[Slides]
[Video]
|
Scott Petersen
Adobe Inc. |
Flash C Compiler: Compiling C code to the Adobe Flash Virtual
Machine - FlaCC is a research project that compiles C code to
ActionScript using llvm-gcc with a custom flash code generator. This
enables almost arbitrary C and C++ code to be executed safely and
efficiently within a Flash container on web pages. This talk describes
the implementation of the system and shows several compelling examples
that use it to run other language and CPU interpreters within Flash as
well as run existing large programs within C. The demos are also
extremely impressive :).
|
This table lists all attendees that have registered for this
year's conference.
| Name | Organization |
|---|
| Talin - | Google |
| Vikram Adve | University of Illinois at Urbana-Champaign |
| Nathan Allan | Alphora / Database Consulting Group |
| Owen Anderson | Apple, Inc. |
| Chris Aoki | Sun Microsystems, Inc. |
| Michael AuYeung | The Aerospace Corporation |
| Joseph Battelle | Logitech |
| Nate Begeman | Apple, Inc. |
| Kris Bell | Apple, Inc. |
| Jay Bharadwaj | Intel Corporation |
| Robert Bowdidge | Self |
| Max Burke | Electronic Arts |
| Anders Carlsson | Apple, Inc. |
| Chandler Carruth | Google, Inc |
| Evan Cheng | Apple, Inc. |
| Andy Chou | Coverity, Inc. |
| Eric Christopher | Apple, Inc |
| Jan Civlin | AMD |
| Marshall Clow | Qualcomm, Inc. |
| John Criswell | University of Illinois |
| Brooks Davis | The Aerospace Corporation / The FreeBSD Project |
| Andrew Donoho | IBM |
| Stefanus Du Toit | RapidMind |
| Daniel Dunbar | Stanford University / Apple Inc. |
| Bernardo Elayda | Wind River |
| Ken Ferry | Apple, Inc. |
| Tim Foley | Self |
| Chandrashekhar Garud | Sun Microsystems |
| Nicolas Geoffray | Université Pierre et Marie Curie |
| Dan Gohman | Apple, Inc. |
| John Golenbieski | Self |
| Eric Gouriou | Apple, Inc. |
| Ryan Govostes | Alacatia Labs, Inc. |
| David Greene | Cray, Inc. |
| Jim Grosbach | Apple, Inc. |
| Vinod Grover | NVIDIA |
| Alfonso Guerra | Apokalypse Software Corp. |
| Mohammad Reza Haghighat | Intel Corporation |
| Chris Hanson | Apple, Inc. |
| Kurt Harriman | Greenplum |
| Stuart Hastings | Apple, Inc. |
| John Hixson | University of the Pacific |
| Robert Hundt | Google |
| Oliver Hunt | Apple, Inc. |
| Changhao Jiang | Facebook Inc. |
| dale johannesen | Apple, Inc. |
| Francois Jouaux | Apple, Inc. |
| Benjamin King | DemandEO.com |
| George King | arboreality.net |
| Nick Kledzik | Apple, Inc. |
| Anton Korobeynikov | Saint Petersburg State University |
| Ted Kremenek | Apple, Inc. |
| Chris Lattner | Apple, Inc. |
| Tanya Lattner | Apple, Inc. |
| Andrew Lenharth | University of Illinois |
| Mark Leone | Self |
| Julien Lerouge | Apple, Inc. |
| Nicholas Lewycky | Google |
| Nuno Lopes | Instituto Superior Técnico |
| olivier maggi | numeriz |
| Dmitri Makarov | AMD |
| Ali Mashtizadeh | VMware, Inc. |
| Henry Mason | Apple, Inc. |
| Scott Michel | Aerospace |
| Keir Mierle | Google |
| Daniel Moniz | Unified Research |
| Marcel Moolenaar | The FreeBSD Project |
| Alireza Moshtaghi | Microchip Technology |
| Ginger Myles | Apple, Inc. |
| Prashanth Narayanaswamy | Sun Microsystems |
| Steve Naroff | Apple, Inc. |
| Ted Neward | Neward & Associates |
| Jay O'Conor | Self |
| Maksim Panchenko | Sun Microsystems |
| Ji Young Park | AMD Inc. |
| Terence Parr | University of San Francisco |
| Devang Patel | Apple, Inc. |
| Scott Petersen | Adobe Systems, Inc. |
| Richard Phillips | Wolfram Research |
| Ernest Prabhakar | Apple, Inc. |
| Gregor Purdy | Apple, Inc. |
| Paul Ramsey | Dreamworks Animation |
| Joseph Ranieri | Alacatia Labs, Inc. |
| Nicholas Ray | Windly Games. |
| Rob Reynolds | Alphora / Database Consulting Group |
| Bryn Rhodes | Alphora / Database Consulting Group |
| Stephen Richardson | Mucho Consultio, SA de CV |
| Charles Rose | Adobe Systems Incorporated |
| Tim Sander | Integrated Systems and Circuits, Technische Universität Darmstadt |
| Shirish Seetharam | Cisco Systems |
| Mitesh Shah | ARC International |
| Craig Smith | National Instruments |
| Evan Smyth | DreamWorks Animation |
| Pratik Solanki | Apple, Inc. |
| Mike Stump | Apple, Inc. |
| Andre Sublette | Self |
| Richard Sweet | Adobe Systems |
| Yan Tang | VMware |
| Caroline Tice | Apple, Inc. |
| Ross Towle | Sun |
| Andrew Trick | Hewlett-Packard |
| Hemant Trivedi | Silicon Informatics, Inc |
| Erick Tryzelaar | self |
| Mon Ping Wang | Apple, Inc. |
| Douglas Watt | XMOS Semiconductor |
| Patrick Webster | Self |
| Marcel Weiher | Apple, Inc. |
| Sam Weinig | Apple, Inc. |
| Steve Weissinger | Wind River |
| Bill Wendling | Apple, Inc. |
| Hans-Martin Will | Vincent 3D Rendering Library (OSS project) |
| Pen-Chung Yew | University of Minnesota |
| Anna Zaks | New York University |
| Mark Zarins | GrammaTech |
| Robert Zeh | None |
| Jie Zhang | Greenplum Inc. |
| Bixia Zheng | AMD |
| Vojin Zivojnovic | ARM |
Total Confirmed: 118
|
