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Twenty years ago today, the 64 bit x86 instruction set x86-64 was born in AMD

via:快科技     time:2020/8/11 18:36:11     readed:155

In the past two years, amd returned to the high-performance market with Zen processor, and the x86 share was about to reach 20%. But now AMD is just back to its peak. The most brilliant moment in a fan's mind is the K8 hammer, because amd launched 64 bit x86 for the first time, and today is just the 20th anniversary.


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As we all know, the x86 instruction set was invented by Intel. In 1978, it launched the first x86 processor 8086, from 16 bits to 32 bits. AMD is only the spare tire of X86. The technical route is in Intel's hands, and AMD has only the share to follow.

Because of this, the 64 bit x86 instruction set is very important. At that time, intel was not interested in 64 bit, because there were already 64 bit Itanium CPUs, and probably felt that the consumption level was unnecessary.

then,Amd announced the 64 bit x86 instruction set on August 1, 2020, 20 years ago todayx86-64First of all, it is applied on Haolong processor, and then it is applied on the consumption level K8 architecture Athlon.

From this point of view, AMD and Intel have made great contributions in the history of X86, and both sides have cross licensed.

It is worth mentioning that,One of the architects of AMD's K8 hammer architecture was Jim KellerAfter leaving AMD, the CPU Daniel later joined the development of AMD's Zen architecture. The most awesome CPU architecture of the two generation of AMD has his share. This is also a legend of life.

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