Blender Git Commit Log

Git Commits -> Revision e3a7925

Revision e3a7925 by Martijn Berger (master)
November 22, 2013, 13:42 (GMT)
Cycles: test code for sse 4.1 kernel and alignment for some vector types.

This is mostly work towards enabling the __KERNEL_SSE__ option to start using
SIMD operations for vector math operations. This 4.1 kernel performes about 8%
faster with that option but overall is still slower than without the option.

WITH_CYCLES_OPTIMIZED_KERNEL_SSE41 is the cmake flag for testing this kernel.

Alignment of int3, int4, float3, float4 to 16 bytes seems to give a slight 1-2%
speedup on tested systems with the current kernel already, so is enabled now.

Commit Details:

Full Hash: e3a79258d17e6cdca26120eab7a2c48c7c4d4a0f
Parent Commit: 5feb0d2
Committed By: Brecht Van Lommel
Lines Changed: +187, -6

By: Miika HämäläinenLast update: Nov-07-2014 14:18 MiikaHweb | 2003-2021