Wednesday, July 22, 2009

Exploring Intel processors for SIMD support

As we already know that there are various way to speed up the processes or applications by parallel operations like Single Instruction Multiple Data(SIMD), multithreading, pipelining, cache management etc. Here I tried to manage a list of specifying which Intel SIMD capability we can use as per processor specific. Although you can check this by using CPU-Z or playing with cpu_detect() function to read cpu-id.

MMX: Truly saying as in 2009, all current processors support MMX. It has 8 registers MM0-MM7 of 64 bit width. Just to maintain uniformity of blog, MMX support came with Intel® Pentium-MMX and from Pentium2 onwards every processors support it.

SSE: It was another big move in SIMD by having another 128 bit registers by Intel. It is good choice for Intel® Pentium3 and Intel® Pentium3m version.

Intel® Xeon®
Intel® Pentium4 (Willamette),
Intel® Pentium4m,
Intel® Pentium M,
Intel NetBurst-based CPUs (Pentium 4, Xeon, Celeron, Celeron D, Celeron M)
Intel Core-based CPUs (Core Duo, Core Solo)
Intel Core 2-based CPUs (Core 2 Duo, Core 2 Quad)
Intel Atom

Dual-Core Intel® Xeon® 70XX, 71XX, 50XX Series
Dual-Core Intel® Xeon® processor (ULV and LV) 1.66, 2.0, 2.16
Dual-Core Intel® Xeon® 2.8
Intel® Xeon® processors with SSE3 instruction set support
Intel® Core™ Duo
Intel® Core™ Solo
Intel® Pentium® dual-core processor T21XX, T20XX series
Intel® Pentium® processor Extreme Edition (but NOT Pentium 4 Extreme Edition)
Intel® Pentium® D
Intel® Pentium® 4 processors with SSE3 instruction set support (Since Prescott Versions)
Celeron 420, 430 and 440 and Celeron D
Intel Core 2 Quad edition

Quad-Core Intel® Xeon® 73XX, 53XX, 32XX series
Dual-Core Intel® Xeon® 72XX, 53XX, 51XX, 30XX series
In tel® Core™ 2 Extreme 7XXX, 6XXX series
Intel® Core™ 2 Quad 6XXX series
Intel® Core™ 2 Duo 7XXX (except E7200), 6XXX, 5XXX, 4XXX series
Intel® Core™ 2 Solo 2XXX series
Intel® Pentium® dual-core processor E2XXX, T23XX series
Celeron 4xx Sequence Conroe-L
Celeron Dual Core E1200
Celeron M 500 series

Intel® Xeon® 74XX series
Quad-Core Intel® Xeon 54XX, 33XX series
Dual-Core Intel® Xeon 52XX, 31XX series
Intel® Core™ 2 Extreme 9XXX series
Intel® Core™ 2 Quad 9XXX series
Intel® Core™ 2 Duo 8XXX series
Intel® Core™ 2 Duo E7200 (Penryn )

Intel® Core™ i7 Processors (Nehalem)
Intel® Xeon® 55XX series

Now play with SIMD with different processors options available.

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