Compiler News Archives
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
The videos from last month's LLVM Developers' Meeting in San Jose, California have now been uploaded to the Internet.
6 December 2012 - Videos
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
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
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
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
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
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
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
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
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
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
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
ARM's AArch64 back-end for LLVM to handle the 64-bit ARMv8 architecture is working, but there's still more work ahead of the hardware's general availability in about one year's time.
20 November 2012 - It's Working - 7 Comments
While the LLVM compiler infrastructure is primarily developed around Subversion, a poll was recently conducted that found LLVM developers overwhelmingly prefer Git over SVN for version control.
19 November 2012 - LLVM - 9 Comments
Earlier this week when writing about the state of the Tiny C Compiler, I learned more about QCC. QCC is a new initiative to pair a forked version of the Tiny C Compiler (TCC) with QEMU's code generator.
18 November 2012 - QEMU Code Generation - 2 Comments
Aside from why LLVM/Clang was ported to one of the fastest super computer's in the world and using Clang to implement Microsoft's C++ AMP, another interesting session at this month's LLVM Developers' Conference in San Jose was about using Clang to analyze code comments.
18 November 2012 - LLVM's Clang - 5 Comments
Most often whenever writing about LLVM and its Clang C/C++ compiler front-end on Phoronix, within the forums is a flurry of comments from those in support of and against this modular compiler infrastructure. Some are against LLVM/Clang simply because its BSD-licensed and sponsored by Apple rather than the GPLv3-licensed GCC backed by the FSF. Others, meanwhile, see LLVM as presenting unique advantages and benefits. What reasons would a leading US national laboratory have for deploying LLVM/Clang to their leading super-computer? Here's an explanation from them.
16 November 2012 - An Explanation - 11 Comments
Microsoft conceived C++ Accelerated Massive Parallelism (AMP) as a library atop DirectX 11 for offering data-parallelism directly in C++ that can make easy use of GPUs while having CPU fall-back support. With C++ AMP being similar to OpenCL, Intel engineers decided to implement the Microsoft specification within OpenCL and using LLVM/Clang so that it can be used cross-platform.
16 November 2012 - Intel Port - 10 Comments
While the Tiny C Compiler may be quick at compiling code, the lightweight C compiler hasn't been too quick to advance with new releases and features.
15 November 2012 - Tiny C Compiler - 5 Comments
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