Core i7 4771

Allez, si chacun sort la sienne.

$ openssl speed aes
Doing aes-128 cbc for 3s on 16 size blocks: 26522705 aes-128 cbc's in 2.98s
Doing aes-128 cbc for 3s on 64 size blocks: 7312141 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 256 size blocks: 1921893 aes-128 cbc's in 2.98s
Doing aes-128 cbc for 3s on 1024 size blocks: 486496 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 8192 size blocks: 61218 aes-128 cbc's in 2.98s
Doing aes-192 cbc for 3s on 16 size blocks: 23437851 aes-192 cbc's in 3.00s
Doing aes-192 cbc for 3s on 64 size blocks: 6334651 aes-192 cbc's in 3.00s
Doing aes-192 cbc for 3s on 256 size blocks: 1612836 aes-192 cbc's in 2.99s
Doing aes-192 cbc for 3s on 1024 size blocks: 405075 aes-192 cbc's in 3.00s
Doing aes-192 cbc for 3s on 8192 size blocks: 50885 aes-192 cbc's in 2.99s
Doing aes-256 cbc for 3s on 16 size blocks: 20354366 aes-256 cbc's in 2.99s
Doing aes-256 cbc for 3s on 64 size blocks: 5441752 aes-256 cbc's in 2.99s
Doing aes-256 cbc for 3s on 256 size blocks: 1384644 aes-256 cbc's in 2.99s
Doing aes-256 cbc for 3s on 1024 size blocks: 347388 aes-256 cbc's in 2.99s
Doing aes-256 cbc for 3s on 8192 size blocks: 43499 aes-256 cbc's in 2.99s
OpenSSL 1.0.1j 15 Oct 2014
built on: Wed Oct 15 16:39:39 CEST 2014
options:bn(64,64) rc4(16x,int) des(idx,cisc,16,int) aes(partial) idea(int) blowfish(idx) 
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -Wa,--noexecstack -D_FORTIFY_SOURCE=2 -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4 -Wl,-O1,--sort-common,--as-needed,-z,relro -m64 -DL_ENDIAN -DTERMIO -O3 -Wall -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5 -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
aes-128 cbc 142403.79k 156514.05k 165102.22k 166612.68k 168287.87k
aes-192 cbc 125001.87k 135139.22k 138088.97k 138265.60k 139414.69k
aes-256 cbc 108919.68k 116478.97k 118551.46k 118971.68k 119178.53k
$ cat /proc/cpuinfo 
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 60
model name : Intel(R) Core(TM) i7-4771 CPU @ 3.50GHz
stepping : 3
microcode : 0x9
cpu MHz : 3467.734
cache size : 8192 KB
physical id : 0
siblings : 8
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm xsaveopt
bugs :
bogomips : 6986.82
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:

Edit : je remarque que les temps dans la première partie du bench sont peu ou prou les mêmes entre un Atom D2500, un Phenom II, et les deux i7 qui sont pourtant des CPU très différents. Quelqu'un aurait une explication à donner ?