标签:SSE4 Intel 4.2 taxonomy SSE4.2 理解 SIMD Flynn
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Overview
From ClickHouse, you can check if current CPU has support for SSE 4.2:
$ grep -q sse4.2 /proc/cpuinfor && echo "SSE 4.2 supported" || echo "SSE 4.2 not supported"
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SSE4
SSE4 (Streaming SIMD Extensions 4) is a SIMD CPU
instruction set
used in the Intel Core microarchitecture and AMD K10 (K8L).It was announced on September 27, 2006, at the Fall 2006 Intel Developer Forum, with vague details in a white paper.
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Intel SSE4 consists of
54
instructions. -
A subset consisting of
47
instructions, referred to as SSE4.1 in some Intel documentation, is avaiable in Penryn. -
SSE4.2, a second subset consisting of the
7
remaining instructions.
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SIMD
Single Instruction, Multiple Data (SIMD) is a class of parallel computers in Flynn’s taxonomy.
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Flynn’s taxonomy
Flynn’s taxonomy is a classification of computer architectures, proposed by Michael J. Flynn in 1966.
标签:SSE4,Intel,4.2,taxonomy,SSE4.2,理解,SIMD,Flynn 来源: https://blog.csdn.net/The_Time_Runner/article/details/113721462
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