Kod:
System Stability Tester. CLI Version 1.5.1.
Distributed under the terms of the GPL v2.
Type -help for command line options.
http://systester.sourceforge.net
Intel(R) Core(TM)2 Quad CPU Q8300 @ 2.50GHz
Running Linux x86_64 at 3271 MHz
System memory: 3957 MB
Hardware threads: 4
GMP version: GMP 6.0.0
Compiler used for GMP: gcc -std=gnu99 with flags:
-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4
Compiled for 64 bit environments
Operating mode: Bench
Calculating 1048576 digits of pi
-----------------------------------------
Turn: 1 Errors: 0 Threads: 4
Running For: 0h 0m 0.000s ChkErr: 0
Failed After: No fail yet
-----------------------------------------
Loop Digits State Time
---------------------------------
0 1 N/A 0h 0m 0.238s
1 2 N/A 0h 0m 0.408s
2 4 N/A 0h 0m 0.632s
3 8 N/A 0h 0m 0.848s
4 16 N/A 0h 0m 1.063s
5 32 N/A 0h 0m 1.281s
6 64 N/A 0h 0m 1.500s
7 128 N/A 0h 0m 1.717s
8 256 N/A 0h 0m 1.935s
9 512 N/A 0h 0m 2.152s
10 1K N/A 0h 0m 2.373s
11 2K N/A 0h 0m 2.589s
12 4K N/A 0h 0m 2.806s
13 8K N/A 0h 0m 3.022s
14 16K N/A 0h 0m 3.241s
15 32K N/A 0h 0m 3.460s
16 64K N/A 0h 0m 3.673s
17 128K N/A 0h 0m 3.886s
18 256K N/A 0h 0m 4.096s
19 512K N/A 0h 0m 4.296s
20 1M N/A 0h 0m 4.440s
Checksum validation...Gauss PASSED!!!
Nie rozumiem tylko dlaczego z 1 wątkiem mam lepszy wynik:
Kod:
Intel(R) Core(TM)2 Quad CPU Q8300 @ 2.50GHz
Running Linux x86_64 at 3271 MHz
System memory: 3957 MB
Hardware threads: 4
GMP version: GMP 6.0.0
Compiler used for GMP: gcc -std=gnu99 with flags:
-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4
Compiled for 64 bit environments
Operating mode: Bench
Calculating 1048576 digits of pi
-----------------------------------------
Turn: 1 Errors: 0 Threads: 1
Running For: 0h 0m 0.000s ChkErr: 0
Failed After: No fail yet
-----------------------------------------
Loop Digits State Time
---------------------------------
0 1 N/A 0h 0m 0.217s
1 2 N/A 0h 0m 0.368s
2 4 N/A 0h 0m 0.566s
3 8 N/A 0h 0m 0.764s
4 16 N/A 0h 0m 0.962s
5 32 N/A 0h 0m 1.159s
6 64 N/A 0h 0m 1.357s
7 128 N/A 0h 0m 1.554s
8 256 N/A 0h 0m 1.752s
9 512 N/A 0h 0m 1.950s
10 1K N/A 0h 0m 2.147s
11 2K N/A 0h 0m 2.345s
12 4K N/A 0h 0m 2.542s
13 8K N/A 0h 0m 2.740s
14 16K N/A 0h 0m 2.939s
15 32K N/A 0h 0m 3.135s
16 64K N/A 0h 0m 3.328s
17 128K N/A 0h 0m 3.521s
18 256K N/A 0h 0m 3.712s
19 512K N/A 0h 0m 3.895s
20 1M N/A 0h 0m 4.024s
Checksum validation...Gauss PASSED!!!
Bardzo więc możliwe, że jak dasz 1 wątek i włączy się turbo, to zejdziesz do 3.xxx sekund.
2M z jednym wątkiem liczy
21 2M N/A 0h 0m 9.560s
Ale podejrzewam że im większa próbka tym C2Q będzie coraz bardziej odstawać od i7. Ja mam tylko 4MB cache i pamięć DDR2.