raffaele181188 ha scritto:non ho mai sentito di processori dual core duo
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raffaele181188 ha scritto:non ho mai sentito di processori dual core duo

raffaele181188 ha scritto:...tipo spina che mi vule far trovare i Core2 a 32 bit...
La mettiamo che mentre tu stai dicendo una fesseria per confutare un ragionamento, svariati utenti il cui scopo non è certamente quello di screditarti hanno riscontrato un aumento delle prestazioni. Faccio due più due (così uso i numeri e sei contento anche tu) e mi convinco che forse hanno ragione loro.raffaele181188 ha scritto:...sul valore dei pareri, allora io ti dico "È più veloce la 32". Come la mettiamo?...

Ops, mi hai preceduto. Una pignoleria che avresti potuto evitare, i core duo sono dual core.raffaele181188 ha scritto:Presumo un errore di lettura in buona federaffaele181188 ha scritto:non ho mai sentito di processori dual core duo


raffaele181188 ha scritto:Navajo, credevo di essermi già spiegato
Tra l'ampliamento del set di istruzioni (SSE2) e l'utilizzo dei registri interi a 64bit nel tuo programma, l'aumento di prestazioni è pressochè certo. Se la tua macchina passa il 90% del suo tempo con Avidemux, hai sicuramente fatto bene a scegliere i 64bit. Questo l'ho ribadito fino alla nausea. Il punto è un altro: quanti programmi hanno bisogno dei 64 bit o possono trarre vantaggio dal loro utilizzo? Quanto sono diffusi? Metti sull'altro piatto della bilancia i problemucci che vengon fuori con Slackware64 e ti darai la stessa risposta di Mario Vanoni. Io non sto portando avanti una crociata contro i 64 bit, non mi paga nessuno. Quando sostengo cause come questa è solo per combattere la disinformazione. Mi comporto allo stesso modo quando leggo che "ricompilato il kernel, la macchina va al doppio di prima". Infine, le tue sono offese personali; se non vuoi che le prenda come tali, l'unica cosa che puoi fare è non lanciarle.
Offtopic: Dovrei avere una macchina molto simile alla tua (anche se non ho mai sentito di processori dual core duo) ma non posso fare il test perchè non ho il tuo video. Comunque sono abbastanza sicuro che i risultati sarebbero in linea con le tue previsioni
model name : Intel(R) Core(TM)2 Duo CPU E6850 @ 3.00GHz


raffaele181188 ha scritto:Sai che nel Quattrocento credevano che la terra fosse piatta? E non per screditare quel tale che voleva girarci intorno, ma se tu chiedevi ti rispondevano tutti che era piatta.







A common misconception is that 64-bit architectures are no better than 32-bit architectures unless the computer has more than 4 GB of main memory. This is not entirely true

raffaele181188 ha scritto:Umpf.. Ecco, appunto, nbench... vabbè, il punto è che un guadagno minimo nei bench (quelli che ho linkato io, non nbench) si traduce in un guadagno impercettibile nelle applicazioni comuni. Ergo "sistemi che vanno al doppio" sono frutto di quel bicchiere di acqua e zucchero. Non ho altro da dare a questa discussione

ho voluto fare una prova:
)BYTEmark* Native Mode Benchmark ver. 2 (10/95)
Index-split by Andrew D. Balsa (11/97)
Linux/Unix* port by Uwe F. Mayer (12/96,11/97)
============================== ALL STATISTICS ===============================
**Date and time of benchmark run: Fri Oct 9 17:48:36 2009
**Sizeof: char:1 short:2 int:4 long:4 u8:1 u16:2 u32:4 int32:4
**System used for compilation:
**Linux toscibo 2.6.31-zen3 #3 ZEN SMP PREEMPT Fri Oct 9 17:32:53 CEST 2009 i686
**C compiler: gcc version 4.3.3 (GCC)
**libc: libc-2.9.so
**Date of compilation: Fri Oct 9 17:45:02 CEST 2009
=============================================================================
TEST : Iterations/sec. : Old Index : New Index
: : Pentium 90* : AMD K6/233*
--------------------:------------------:-------------:------------
NUMERIC SORT : 903.52 : 23.17 : 7.61
Absolute standard deviation: 5.72992
Relative standard deviation: 0.634178 %
Number of runs: 5
Number of arrays: 4
Array size: 8111
Done with NUMERIC SORT
STRING SORT : 131.73 : 58.86 : 9.11
Absolute standard deviation: 0.281435
Relative standard deviation: 0.213637 %
Number of runs: 5
Number of arrays: 2
Array size: 8111
Done with STRING SORT
BITFIELD : 3.917e+08 : 67.19 : 14.03
Absolute standard deviation: 811782
Relative standard deviation: 0.207245 %
Number of runs: 5
Operations array size: 130
Bitfield array size: 32768
Done with BITFIELD
FP EMULATION : 122.08 : 58.58 : 13.52
Absolute standard deviation: 0.109545
Relative standard deviation: 0.0897317 %
Number of runs: 5
Number of loops: 1
Array size: 3000
Done with FP EMULATION
FOURIER : 25902 : 29.46 : 16.55
Absolute standard deviation: 17.7991
Relative standard deviation: 0.0687175 %
Number of runs: 5
Number of coefficients: 100
Done with FOURIER
ASSIGNMENT : 31.512 : 119.91 : 31.10
Absolute standard deviation: 0.120248
Relative standard deviation: 0.381595 %
Number of runs: 5
Number of arrays: 1
Done with ASSIGNMENT
IDEA : 3222.8 : 49.29 : 14.64
Absolute standard deviation: 3.88425
Relative standard deviation: 0.120523 %
Number of runs: 5
Array size: 4000
Number of loops: 100
Done with IDEA
HUFFMAN : 1793.5 : 49.74 : 15.88
Absolute standard deviation: 1.60035
Relative standard deviation: 0.0892286 %
Number of runs: 5
Array size: 5000
Number of loops: 100
Done with HUFFMAN
NEURAL NET : 37.271 : 59.87 : 25.18
Absolute standard deviation: 0.054194
Relative standard deviation: 0.145407 %
Number of runs: 5
Number of loops: 1
Done with NEURAL NET
LU DECOMPOSITION : 1455.2 : 75.39 : 54.44
Absolute standard deviation: 10.0717
Relative standard deviation: 0.692121 %
Number of runs: 5
Number of arrays: 4
Done with LU DECOMPOSITION
==========================ORIGINAL BYTEMARK RESULTS==========================
INTEGER INDEX : 55.283
FLOATING-POINT INDEX: 51.038
Baseline (MSDOS*) : Pentium* 90, 256 KB L2-cache, Watcom* compiler 10.0
==============================LINUX DATA BELOW===============================
CPU : Dual GenuineIntel Intel(R) Core(TM)2 Duo CPU T8100 @ 2.10GHz 2095MHz
L2 Cache : 3072 KB
OS : Linux 2.6.31-zen3
C compiler : gcc version 4.3.3 (GCC)
libc : libc-2.9.so
MEMORY INDEX : 15.843
INTEGER INDEX : 12.435
FLOATING-POINT INDEX: 28.307
Baseline (LINUX) : AMD K6/233*, 512 KB L2-cache, gcc 2.7.2.3, libc-5.4.38
* Trademarks are property of their respective holder.BYTEmark* Native Mode Benchmark ver. 2 (10/95)
Index-split by Andrew D. Balsa (11/97)
Linux/Unix* port by Uwe F. Mayer (12/96,11/97)
============================== ALL STATISTICS ===============================
**Date and time of benchmark run: Fri Oct 9 18:24:40 2009
**Sizeof: char:1 short:2 int:4 long:8 u8:1 u16:2 u32:4 int32:4
**System used for compilation:
**Linux toscibo 2.6.31-zen3 #1 ZEN SMP PREEMPT Fri Oct 9 06:04:35 CEST 2009 x86_
**C compiler: gcc version 4.3.3 (GCC)
**libc: libc-2.9.so
**Date of compilation: ven ott 9 13:06:05 CEST 2009
=============================================================================
TEST : Iterations/sec. : Old Index : New Index
: : Pentium 90* : AMD K6/233*
--------------------:------------------:-------------:------------
NUMERIC SORT : 1028.4 : 26.37 : 8.66
Absolute standard deviation: 13.0499
Relative standard deviation: 1.26895 %
Number of runs: 5
Number of arrays: 5
Array size: 8111
Done with NUMERIC SORT
STRING SORT : 226.4 : 101.16 : 15.66
Absolute standard deviation: 0.748331
Relative standard deviation: 0.330535 %
Number of runs: 5
Number of arrays: 2
Array size: 8111
Done with STRING SORT
BITFIELD : 4.0979e+08 : 70.29 : 14.68
Absolute standard deviation: 813946
Relative standard deviation: 0.198625 %
Number of runs: 5
Operations array size: 130
Bitfield array size: 16384
Done with BITFIELD
FP EMULATION : 222.36 : 106.70 : 24.62
Absolute standard deviation: 0.0894427
Relative standard deviation: 0.0402243 %
Number of runs: 5
Number of loops: 1
Array size: 3000
Done with FP EMULATION
FOURIER : 23116 : 26.29 : 14.77
Absolute standard deviation: 17.7991
Relative standard deviation: 0.0769996 %
Number of runs: 5
Number of coefficients: 100
Done with FOURIER
ASSIGNMENT : 30.443 : 115.84 : 30.05
Absolute standard deviation: 0.0632028
Relative standard deviation: 0.207608 %
Number of runs: 5
Number of arrays: 1
Done with ASSIGNMENT
IDEA : 6185.5 : 94.61 : 28.09
Absolute standard deviation: 14.1341
Relative standard deviation: 0.228503 %
Number of runs: 5
Array size: 4000
Number of loops: 100
Done with IDEA
HUFFMAN : 2079.2 : 57.66 : 18.41
Absolute standard deviation: 1.8567
Relative standard deviation: 0.0892998 %
Number of runs: 5
Array size: 5000
Number of loops: 100
Done with HUFFMAN
NEURAL NET : 45.008 : 72.30 : 30.41
Absolute standard deviation: 0.0710601
Relative standard deviation: 0.157883 %
Number of runs: 5
Number of loops: 1
Done with NEURAL NET
LU DECOMPOSITION : 1437 : 74.44 : 53.76
Absolute standard deviation: 5.78792
Relative standard deviation: 0.402778 %
Number of runs: 5
Number of arrays: 5
Done with LU DECOMPOSITION
==========================ORIGINAL BYTEMARK RESULTS==========================
INTEGER INDEX : 74.421
FLOATING-POINT INDEX: 52.108
Baseline (MSDOS*) : Pentium* 90, 256 KB L2-cache, Watcom* compiler 10.0
==============================LINUX DATA BELOW===============================
CPU : Dual GenuineIntel Intel(R) Core(TM)2 Duo CPU T8100 @ 2.10GHz 2001MHz
L2 Cache : 3072 KB
OS : Linux 2.6.31-zen3
C compiler : gcc version 4.3.3 (GCC)
libc : libc-2.9.so
MEMORY INDEX : 19.045
INTEGER INDEX : 18.223
FLOATING-POINT INDEX: 28.901
Baseline (LINUX) : AMD K6/233*, 512 KB L2-cache, gcc 2.7.2.3, libc-5.4.38
* Trademarks are property of their respective holder.Using 2130255 loops per ms, running every load for 30 seconds
Benchmarking kernel 2.6.31-zen3 at datestamp 200910091757
--- Benchmarking simulated cpu of Audio in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU % Deadlines Met
None 0.008 +/- 0.00875 0.011 100 100
Video 0.008 +/- 0.00915 0.016 100 100
X 0.008 +/- 0.0084 0.018 100 100
Burn 0.007 +/- 0.00777 0.009 100 100
Write 0.013 +/- 0.0377 0.609 100 100
Read 0.01 +/- 0.0109 0.023 100 100
Compile 0.033 +/- 0.563 13.8 100 100
Memload 0.022 +/- 0.19 4.6 100 100
--- Benchmarking simulated cpu of Video in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU % Deadlines Met
None 0.008 +/- 0.00886 0.022 100 100
X 0.007 +/- 0.00834 0.123 100 100
Burn 9.69 +/- 12.8 32.7 100 43.8
Write 0.023 +/- 0.22 7.34 100 100
Read 0.009 +/- 0.00944 0.029 100 100
Compile 10.2 +/- 13.6 33.7 96.7 41.5
Memload 0.02 +/- 0.154 3.49 100 100
--- Benchmarking simulated cpu of X in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU % Deadlines Met
None 0.006 +/- 0.0817 1 100 99.3
Video 0.033 +/- 0.258 2 98.7 97.7
Burn 53.7 +/- 75.1 159 19.2 8.68
Write 0.226 +/- 1.99 24 96.8 95.8
Read 0.016 +/- 0.173 2 99.3 98.7
Compile 56.1 +/- 78.6 208 19.3 8.55
Memload 0.119 +/- 0.702 5 96.5 94.5
--- Benchmarking simulated cpu of Gaming in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU
None 0.002 +/- 0.0247 0.307 100
Video 1.06 +/- 1.06 1.56 99
X 1.21 +/- 1.4 2.4 98.8
Burn 155 +/- 156 159 39.2
Write 1.98 +/- 4.35 29.9 98.1
Read 0.779 +/- 0.826 1.73 99.2
Compile 164 +/- 165 215 37.9
Memload 1.75 +/- 3 21.4 98.3Using 2130255 loops per ms, running every load for 30 seconds
Benchmarking kernel 2.6.31-zen3 at datestamp 200910091924
--- Benchmarking simulated cpu of Audio in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU % Deadlines Met
None 0.006 +/- 0.00704 0.009 100 100
Video 0.006 +/- 0.00663 0.008 100 100
X 0.006 +/- 0.00621 0.016 100 100
Burn 0.006 +/- 0.00659 0.008 100 100
Write 0.019 +/- 0.096 1.56 100 100
Read 0.01 +/- 0.0104 0.019 100 100
Compile 0.012 +/- 0.0366 0.682 100 100
Memload 0.013 +/- 0.0463 1.09 100 100
--- Benchmarking simulated cpu of Video in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU % Deadlines Met
None 0.007 +/- 0.00719 0.027 100 100
X 0.006 +/- 0.00648 0.015 100 100
Burn 9.96 +/- 13.2 32.7 100 43
Write 0.035 +/- 0.651 21.8 100 99.9
Read 0.007 +/- 0.00763 0.021 100 100
Compile 10.2 +/- 13.5 34.1 97.7 42
Memload 0.01 +/- 0.0394 1.31 100 100
--- Benchmarking simulated cpu of X in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU % Deadlines Met
None 0.003 +/- 0.0577 1 100 99.7
Video 0.033 +/- 0.258 2 98.7 97.7
Burn 53.9 +/- 74.9 158 19.4 8.56
Write 0.03 +/- 0.3 4 99.3 98.3
Read 0.023 +/- 0.208 2 99.3 98.3
Compile 56.7 +/- 78.5 177 19.2 8.31
Memload 0.146 +/- 0.876 7 94.4 92.9
--- Benchmarking simulated cpu of Gaming in the presence of simulated ---
Load Latency +/- SD (ms) Max Latency % Desired CPU
None 0.002 +/- 0.0257 0.354 100
Video 1.05 +/- 1.06 1.49 99
X 1.2 +/- 1.39 2.36 98.8
Burn 155 +/- 156 164 39.2
Write 1.65 +/- 3.72 33.5 98.4
Read 0.925 +/- 0.937 1.65 99.1
Compile 166 +/- 168 238 37.5
Memload 2.75 +/- 3.94 15.2 97.3Rendering 974
Social networking 1603
Complex graphics 3733
Data 1565
DOM operations 1094
Text parsing 663Rendering 856
Social networking 1366
Complex graphics 3826
Data 1882
DOM operations 946
Text parsing 1074

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