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用cpu-z查看了,已经确定是cpu不支持avx2,以下是数据:
Name Intel Core i7
Codename Ivy Bridge-E
Specification Genuine Intel(R) CPU @ 3.30GHz (Engineering Sample)
Package (platform ID) Socket 2011 LGA (0x2)
CPUID 6.E.2
Extended CPUID 6.3E
Core Stepping R1
Technology 22 nm
TDP Limit 130.0 Watts
Tjmax 103.0 癈
Core Speed 3601.7 MHz
Multiplier x Bus Speed 36.0 x 100.0 MHz
Base frequency (cores) 100.0 MHz
Base frequency (mem.) 100.0 MHz
Rated Bus speed 3201.5 MHz
Stock frequency 3300 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX
Microcode Revision 0x20D
L1 Data cache 6 x 32 KB (8-way, 64-byte line)
L1 Instruction cache 6 x 32 KB (8-way, 64-byte line)
L2 cache 6 x 256 KB (8-way, 64-byte line)
L3 cache 15 MB (20-way, 64-byte line) |
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