Release 1.4.2, 11 June 2013
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=== v1.4.2 === (11 June 2013)
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A minor version update with a few important changes:
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* Stability fix for AVX2 target (Haswell) - problem with gather instructions was
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released in LLVM 3.4, if you build with LLVM 3.2 or 3.3, it's available in our
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repository (llvm_patches/r183327-AVX2-GATHER.patch) and needs to be applied
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manually.
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* Stability fix for widespread issue on Win32 platform (#503).
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* Performance improvements for Xeon Phi related to mask representation.
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Also LLVM 3.3 has been released and now it's the recommended version for building ISPC.
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Precompiled binaries are also built with LLVM 3.3.
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=== v1.4.1 === (28 May 2013)
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A major new version of ispc has been released with stability and performance
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@@ -20,7 +36,7 @@ Important bug fixes/changes:
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* FMA instructions are enabled for AVX2 instruction set.
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* Support of RDRAND instruction when availible via library function rdrand (Ivy Bridge).
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* Support of RDRAND instruction when available via library function rdrand (Ivy Bridge).
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Release also contains numerous bug fixes and minor improvements.
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@@ -2,6 +2,17 @@
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ispc News
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=========
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ispc 1.4.2 is Released
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----------------------
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A minor update of ``ispc`` has been released with stability fix for AVX2
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(Haswell), fix for Win32 platform and performance improvements on Xeon Phi.
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As usual, it's available on all supported platforms (Windows, Linux and MacOS).
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This version supports LLVM 3.1, 3.2, 3.3 and 3.4, but now we are recommending
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to avoid 3.1, as it's known to contain a number of stability problems and we are
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planning to deprecate its support soon.
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The released binaries are built with 3.3.
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ispc 1.4.1 is Released
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----------------------
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