Proves de velocitat de dalmem
Aquestes proves es fan per a la majoria de les funcions de dalmem, i aquí veiem els millors resultats.
Actualment (Versió 1.0.1) es fa servir un espai de 32KB, així que els resultats són només de la caché (la velocitat de la RAM no hauria d'afectar a aquests resultats).
Cada bloc de cada funció (10 trucades consecutives) es crida 50 cops, i s'apunta el millor resultat. 50x10 trucades aconsegueixen normalment que la CPU funcioni a la seva màxima velocitat.
Si vols reproduïr aquestes proves a les teves pròpies màquines, descarrega si us plau el codi font de dalib (provat nomès en Linux), compila'l i prova'l tú mateix (fes un cop d'ull als arxius README i INSTALL).
Raw test results:
Test environment: 32.0KB buffer, every test is performed 50 times with 10 iterations, seed is just half the buffer. Version 1.0.1
+--------- Option0 ---------+--------- Option1 ---------+--------- Option2 ---------+--------- Option3 ---------+Best
Function name |F us B/s S us B/s|F us B/s S us B/s|F us B/s S us B/s|F us B/s S us B/s| F S
memsearch8 R| 46.8 652M 23.4 652M| 31.2 978M 15.7 971M| 46.7 653M 23.4 652M| 5.0 6.10G 2.6 5.86G| 3 3
memsearch16 R| 23.6 1.29G 18.8 811M| 15.7 1.94G 7.9 1.93G| 23.5 1.29G 11.8 1.29G| 5.0 6.10G 2.6 5.86G| 3 3
memsearch32 R| 11.8 2.58G 6.0 2.54G| 7.9 3.86G 4.0 3.81G| 14.9 2.04G 7.9 1.93G| 5.0 6.10G 2.6 5.86G| 3 3
memsearch64 R| 6.0 5.08G 3.1 4.92G| | | | 0 0
memsearch8r R| 104.6 291M 54.4 280M| 7.9 3.86G 4.1 3.72G| | | 1 1
memsearch16r R| 39.4 774M 21.4 713M| | | | 0 0
memsearch32r R| 14.0 2.17G 8.9 1.71G| | | | 0 0
memsearch64r R| 10.1 3.02G 6.9 2.21G| | | | 0 0
memsearch8ri R| 91.0 335M 46.2 330M| 7.9 3.86G 4.1 3.72G| | | 1 1
memsearch16ri R| 39.3 776M 21.4 713M| | | | 0 0
memsearch32ri R| 14.0 2.17G 8.8 1.73G| | | | 0 0
memsearch64ri R| 10.1 3.02G 6.8 2.24G| | | | 0 0
bitmapsearch8 R| 46.8 652M 23.5 649M| 6.0 5.08G 3.1 4.92G| | | 1 1
bitmapsearch16 R| 23.5 1.29G 11.8 1.29G| 5.1 5.98G 2.7 5.65G| | | 1 1
bitmapsearch32 R| 12.0 2.54G 9.5 1.60G| 5.1 5.98G 2.6 5.86G| | | 1 1
bitmapsearch64 R| 6.0 5.08G 3.1 4.92G| | | | 0 0
bitmapsearch8r R| 107.6 283M 56.3 271M| 8.9 3.42G 4.6 3.31G| | | 1 1
bitmapsearch16r R| 39.4 774M 21.4 713M| | | | 0 0
bitmapsearch32r R| 14.0 2.17G 8.9 1.71G| | | | 0 0
bitmapsearch64r R| 10.2 2.99G 6.9 2.21G| | | | 0 0
ChkSum32 R| 9.1 3.35G | 11.8 2.58G | 2.1 14.5G | | 2
All tests passed.
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Processor data (only one entry):
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 107
model name : AMD Athlon(tm) X2 Dual Core Processor BE-2350
stepping : 2
cpu MHz : 1000.000
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
3dnowext 3dnow rep_good nopl pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch
bogomips : 2009.09
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc 100mhzsteps
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Notes:
AMD K8, nVidia C51 (shared video buffer), unknown DDR2 RAM (probably single bank, DDR2 800)
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Go to short tests list |
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