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, duration:148 sec.C converted Double Precision whetstones:67.6 MIPSReal 2m 28.88sUser 2m 28.25sSYS 0m 0.02SVi. Summary Run timeThe same program, the same number of cycles, takes 8.698 seconds to run on the Intel CPU and takes 148.88 seconds to run on the Qualcomm CPU.It can be concluded that in floating-point arithmetic, the Intel Pentium dual-core
for intel at that time, just imagine, if 386 is not compatible with DOS, it is estimated that there will be no Microsoft today.
Similarly, Intel 64 is also compatible with IA32, and here is a comparison table:
Memory Model
Next, briefly describes the 8086,IA-32 and Intel 64 memory models.
8086 of the 20-bit addres
, RSP, RBP, R8~r15CompatibilityThe IA32 can be compatible with 8086, and 8086 of the programs can run on IA32, which relies on register and instruction compatibility. This was a good market for Intel at the time, just imagine, if the 386 is not compatible with DOS, there is no estimate of today's Microsoft.The same Intel 64 is also compatible with IA32, below is a compa
table entry in memory, it can also be understood that the segment register content of the low 3-bit after shielding with the GDTR or LDTR base address added to the description of the beginning of the table entry. (in the entire system, the Global descriptor Table GDT only one (one processor corresponds to a GDT), GDT can be placed anywhere in memory, but the CPU must know the GDT entrance, which is where the base address is placed, The
22nm
17W
3MB
i5-3230m
2.6GHz
3.2GHz
2/4
22nm
35W
3MB
Analysis:
I5-3337u can be seen as i5-3230m version (low-power version), performance loss is not small, if the pursuit of performance, select Ultra-polar, light and thin this time choose i5-3337u, otherwise use i5-3230m more suitable
and i5-4200u from a
U2300
Note: from top to bottom, the CPU performance is increased from high to low, that is, the t7700 has the highest performance, and the u2300 has the lowest performance. The performance of the CPU type in the same row is not much different. (The functions are not considered)PS: I always thought that the higher the model, the better the p
recently, the well-known foreign primate labs released a new Geekbench 4 testing tools, in addition to supporting cross-platform comparisons, added more dimensional indicators to evaluate CPU and GPU performance, such as the adjustment of integers, floating-point numbers, memory of their respective proportions, Meanwhile, the GPU test (Compute) is added, and the multi-platform contrast is more balanced.
Geekbench 4 is based on
The following Pepsi net makes a detailed parameter comparison for everyone, as follows.
Intel Core i3 4170 and i3 4160 processor contrast
Model i3 4170 i3 4160
Schema Haswell Refreshhaswell Refresh
Slot LGA 1150LGA 1150
Frequency 3.7Ghz 3.6Ghz
Cache 3M 3M
Nuclear display HD4400 HD4400
Power 54w54w
Price is about 800 yuan 750 yuan (boxed)
Process 22nm process dual core four thread 22nm process du
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