pentium 音标拼音: [p'ɛntiəm]
n .
pentium5 (
P5 )俗称
586
n .
Intel 公司的
pentium5 (
P5 )俗称
586Intel 公司的
{Intel }'s {superscalar } successor to the {486 }.
It has two 32 -bit 486 -type integer {pipelines } with dependency
checking . It can execute a maximum of two instructions per
cycle . It does pipelined {floating -point } and performs
branch prediction }. It has 16 {kilobytes } of on -chip
cache }, a 64 -bit memory interface , 8 32 -bit general -purpose
registers } and 8 80 -bit {floating -point } registers . It is
built from 3 .1 million transistors on a 262 .4 mm ^2 die with
2 .3 million transistors in the core logic . Its {clock rate }
is 66MHz , heat dissipation is 16W , integer performance is 64 .5
SPECint92 }, {floating -point } performance 56 .9 {SPECfp92 }.
It is called "Pentium " because it is the fifth in the 80x86
line . It would have been called the 80586 had a US court not
ruled that you can 't trademark a number .
The successors are the {Pentium Pro } and {Pentium II }.
The following Pentium variants all belong to "x86 Family 6 ",
as reported by "Microsoft Windows " when identifying the CPU :
Model Name
1 Pentium Pro
2 ?
3 Pentium II
4 ?
5 , 6 Celeron or Pentium II
7 Pentium III
8 Celeron uPGA2 or Mobile Pentium III
A {floating -point division bug
ftp ://ftp .isi .edu /pub /carlton /pentium /FAQ )} was discovered in
October 1994 .
Internal implementation , "Microprocessor Report " newsletter ,
1993 -03 -29 , volume 7 , number 4 ].
Pentium based computers , PC Magazine , 1994 -01 -25 ].
2003 -09 -30 )
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