4d vector造句

• Specific instructions ( e . g ., 4 element dot product ) may facilitate the use of one 128-bit register to represent a 4D vector.
• Angular momentum in four-dimensional space can't be described by a 4D vector because it has six components, and the same goes for other pseudovectors, like the magnetic field.
• Yet another option used in some vector maths libraries align floating point 4D vectors with the SIMD register to leverage the associated data path and instructions, whilst still providing programmer convenience, although this does not scale to SIMD units wider than four lanes.
• I presume it needs three 4D vectors as input . . . but I'm having a mental block as to how to mush them together ! ( Oh-and is there a general name for these functions ? ) talk ) 21 : 50, 4 August 2009 ( UTC)
• Shading languages for graphics processing unit ( GPU ) programming usually have a 4D datatypes ( along with 2D, 3D ) with x-y-z-w accessors including " permutes " or " swizzle " access, e . g ., allowing easy swapping of RGBA or ARGB formats, accessing two 2D vectors packed into one 4D vector, etc . Modern GPUs have since moved to scalar single instruction, multiple threads ( SIMT ) pipelines ( for more efficiency in " general-purpose computing on graphics processing units " ( GPGPU ) ) but still support this programming model.