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Beignet

Beignet is an open-source OpenCL implementation for Intel graphics cores on Linux.

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Other Activity This Week

backend: refine load store optimization
Song, Ruiling: this fix basic test in conformance tests failed for vec8 of char because of overflow.

Recent Activity

backend: refine load store optimization
Song, Ruiling: this fix basic test in conformance tests failed for vec8 of char because of overflow.

backend: improve add zero pattern
rander: remove the negation check for adding zero.

backend: refine load/store merging algorithm
rander: Now it works for sequence: load(0), load(1), load(2) but it cant work for load(2), load(0), load(1).

backend: add global immediate optimization
rander: there are some global immediates in global var list of LLVM.

Add utest case for filling image by small region
Yan Wang: It is used to reproduce the bug of allocations of conformance test.

Backend: Add optimization for negative modifier
rander: LLVM transform Mad(a, -b, c) to Add b, -b, 0 Mad val, a, b, c pow(a,-b) and other buildin math function to the same instruction sequence like above for Gen support negtive modifier, mad(a, -b, c) is native suppoted.

backend: add sqrt-div pattern to instruction select
rander: there some patterns like: sqrt r1, r2; load r4, 1.

Runtime: Fix a mssing llvm version marco for LLVM40+
Pan Xiuli: Found a missing macro that need change to support LLVM40+.

Beignet Release Tags

NEWS: Update Release 1.2.1.
Yang Rong: ### diff --git a/docs/NEWS.mdwn b/docs/NEWS.mdwn index d1e94ef..2ef0a89 100644 --- a/docs/NEWS.mdwn +++ b/docs/NEWS.mdwn @@ -1,5 +1,8 @@ # News +## Nov 4, 2016 +[Beignet 1.2.1](

libocl: Provide specs required CL_VERSION macros
Jan Vesely: Specs mandate CL_VERSION_X_Y without underscores.

Runtime: add CL_DEVICE_SPIR_VERSIONS to clGetDeviceInfo
Yang Rong

Update Release 1.1.0 NEWS.mdwn
Yang Rong: ### diff --git a/docs/NEWS.mdwn b/docs/NEWS.mdwn index d0d208f..7aa8e94 100644 --- a/docs/NEWS.mdwn +++ b/docs/NEWS.mdwn @@ -1,5 +1,8 @@ # News +## Jul 21, 2015 +[Beignet 1.1.0](

Most Popular This Year

Backend: Add support for LLVM 3.9 release
Pan Xiuli: LLVM 3.9 changes a lot from 3.8, modify on: 1.

Runtime: Add CL base object for all cl objects
Junyan He: The runtime code is a little verbose in CL object handle.

Backend: Add LLVM40 support
Pan Xiuli: 1.Refine APFloat fltSemantics.

KBL: add kabylake runtime support
Yang Rong: Kabylake is almost same as skylake, so use skylake functions directly.

Backend: Add Pipe Builtin support
Pan Xiuli: Add pipe builtin functions.

KBL: add kabylake backend support
Yang Rong: Kabylake is almost same as skylake, derived it from GEN9.

Backend: Add built-in ctz function
Pan Xiuli: Gen doesn't have a tailing zero detection function.

Runtime: Add support for sRGB
Pan Xiuli: CL_sRGBA with CL_UNNORM_INT8 is the minimum request for OpenCL2.0 and CL_sBGRA is also support by hardware.

GBE: Implement new constant solution for ocl2
Ruiling Song: Different from ocl 1.2, which gather all constant into one surface.

Runtime: Add support for non uniform group size
Pan Xiuli: Enqueue multiple times if the the size is not uniform, at most 2 times for 1D, 4times for 2D and 8 times for 3D.

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