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Compiler News Archives

Unpleasant: LLVM/Clang 3.2 On The ARM Cortex-A15

Since publishing LLVM/Clang 3.2 benchmarks a few days ago that showed the Clang C/C++ compiler competing with -- and in some cases outperforming -- the GCC compiler on Intel x86_64, several Phoronix readers have been asking how things compare on the ARM side.
30 December 2012 - ARM Cortex-A15 - 5 Comments

OpenMP Support For LLVM/Clang Still Being Drawn

One of the features sadly not found in the recent release of LLVM/Clang 3.2 is OpenMP support.
27 December 2012 - Missing Featuire - 4 Comments

FreeBSD Jumps Quickly On LLVM/Clang 3.2

While just released on Friday, FreeBSD has already pulled LLVM/Clang 3.2 into its "head" repository and will be pushing it into the FreeBSD 9/Stable series in the weeks ahead.
24 December 2012 - LLVM/Clang Compiler - 21 Comments

What Features LLVM/Clang 3.2 Bring To The Table

While the features of LLVM 3.2 and its Clang C/C++ compiler front-end have been talked about in numerous Phoronix articles over the past few months, here's an overview of the new features for this open-source compiler infrastructure update that was released on Friday.
23 December 2012 - LLVM 3.2 Features - 9 Comments

LLVM 3.2 Released

It's a few days late, but LLVM 3.2 has been officially released.
21 December 2012 - LLVM 3.2

NVIDIA's CUDA/OpenCL PTX Back-End In LLVM 3.2

In preparing for the imminent release of LLVM 3.2, another worthwhile feature to go over is the NVPTX back-end that's been merged for this forthcoming open-source compiler infrastructure release. The NVPTX LLVM back-end is what's used by NVIDIA's closed-source driver for its CUDA and OpenCL compiler.
16 December 2012 - LLVM 3.2 - 3 Comments

LLVM 3.2 Vastly Improves Processor Support

The soon-to-be-released LLVM 3.2 compiler infrastructure will expand upon its coverage of processor support and CPU capabilities.
15 December 2012 - LLVM 3.2

Looping Through LLVM's New Loop Vectorizer

Premiering with LLVM 3.2, which will debut later this month, is an automatic loop vectorizer. I've already delivered benchmarks of LLVM's new automatic loop vectorizer, but here's more details on this new LLVM compiler feature.
8 December 2012 - LLVM Looping

LLVM Developers' Meeting 2012 Videos Posted

The videos from last month's LLVM Developers' Meeting in San Jose, California have now been uploaded to the Internet.
6 December 2012 - Videos

Intel Proposes Tool To Auto-Convert Code To C++11

An Intel developer has proposed a migration tool based upon LLVM's Clang tooling library to auto-convert C++ code to take advantage of new C++11 features in an automated manner.
6 December 2012 - Intel

OpenACC Still Not Loved By Open Compilers

While an open industry standard, the leading open-source compilers still lack support for the OpenACC parallel programming standard.
4 December 2012 - OpenACC - 3 Comments

ARM Cortex-A15 GCC Compiler Tuning Performance

To complement the recent compiler benchmarking on the ARM Cortex-A15 as found in the Samsung Exynos 5 Dual with the Samsung Chromebook, here's some compiler tuning benchmark results from the speedy low-power ARM system.
4 December 2012 - ARM Cortex-A15 - 3 Comments

DARPA Project Using LLVM For Better Code Security

A software research project being funded by the United States' Defense Advanced Research Projects Agency (DARPA) with its Cyber Fast Track program is looking at ways for providing a flexible and integrated security infrastructure by using LLVM for dynamic and static security tasks.
2 December 2012 - DARPA FastTrack - 3 Comments

LLVM 3.2 Release Candidate 2 Arrives

The second release candidates of LLVM 3.2 -- along with related components like Clang and DragonEgg -- are now available for testing.
2 December 2012 - LLVM 3.2 RC2 - 1 Comment

Using AddressSanitizer & ThreadSanitizer In GCC 4.8

While born originally at Google as projects for LLVM, AddressSanitizer and ThreadSanitizer have been ported to GCC and will be part of the forthcoming GCC 4.8 compiler release. Back at Google, they're onto developing MemorySanitizer for LLVM.
30 November 2012 - Features

Unified Parallel C (UPC) Comes To LLVM/Clang

Clang UPC has been announced, which is a Unified Parallel C implementation targeting the LLVM/Clang compiler stack. Unified Parallel C is a C99 extension targeting high-performance computing on parallel machines.
30 November 2012 - UPC Clang - 2 Comments

A Basic Look At How The LLVM Compiler Works

The LLVM compiler infrastructure is frequently talked about on Phoronix whether it be about its Clang C/C++ compiler or one of the innovative use-cases for LLVM such as with the LLVMpipe Gallium3D driver or as a JIT engine within some free software projects like Mono. However, for those that don't understand much of the internals of LLVM, here's a brief overview.
29 November 2012 - LLVM

AMD R600 LLVM Back-End Still Being Tried For 3.2

There's just a few weeks to go until the release of LLVM 3.2, but AMD is still trying to get its "R600" GPU back-end merged into this next compiler infrastructure release.
27 November 2012 - Release - 2 Comments

LLVM 3.2 Improves PowerPC Compiler Support

In addition to featuring an auto-vectorizer, Polly optimizations, and countless other improvements, the forthcoming release of LLVM 3.2 brings numerous improvements to its PowerPC back-end.
25 November 2012 - LLVM 3.2 - 3 Comments

Google Parsing Of LLVM's Clang Compiler Errors

Another interesting session from this month's LLVM Developers' Meeting in San Jose was about how Google manages to collect and utilize Clang diagnostics internally for software they develop at the company.
21 November 2012 - LLVM Developers

564 Compiler news articles published on Phoronix.
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