- , . , 0.2 0.8.
- , , - . , 0.7 - 0.8, - 0.8 - 0.9, - 0.9 - 0.97.
- , 4- 8- () 1 2.
1.
2 ; = 4 ; = 10 ;
=30 ; =150 ; = 9 .
k=4 | k=8 | k=4 | k=8 | k=4 | k=8 | ||||
0.2 | 0.7 | 0.80 | 0.90 | 0.108 | 0.216 | 0.360 | 0.720 | 0.0900 | 0.180 |
0.8 | 0.90 | 0.97 | 0.036 | 0.072 | 0.120 | 0.240 | 0.0090 | 0.018 | |
0.3 | 0.7 | 0.80 | 0.90 | 0.162 | 0.324 | 0.540 | 1.080 | 0.1350 | 0.270 |
0.8 | 0.90 | 0.97 | 0.054 | 0.108 | 0.180 | 0.360 | 0.0135 | 0.027 | |
0.4 | 0.7 | 0.80 | 0.90 | 0.216 | 0.432 | 0.720 | 1.440 | 0.1800 | 0.360 |
0.8 | 0.90 | 0.97 | 0.072 | 0.144 | 0.240 | 0.480 | 0.0180 | 0.036 | |
0.5 | 0.7 | 0.80 | 0.90 | 0.270 | 0.540 | 0.900 | 1.800 | 0.2250 | 0.450 |
0.8 | 0.90 | 0.97 | 0.090 | 0.180 | 0.300 | 0.600 | 0.0225 | 0.045 | |
0.6 | 0.7 | 0.80 | 0.90 | 0.324 | 0.648 | 1.080 | 2.160 | 0.2700 | 0.540 |
0.8 | 0.9 | 0.97 | 0.108 | 0.216 | 0.360 | 0.720 | 0.0270 | 0.054 | |
0.7 | 0.7 | 0.80 | 0.90 | 0.378 | 0.756 | 1.260 | 2.520 | 0.3150 | 0.630 |
0.8 | 0.90 | 0.97 | 0.126 | 0.252 | 0.420 | 0.840 | 0.0315 | 0.063 | |
0.8 | 0.7 | 0.80 | 0.90 | 0.432 | 0.864 | 1.440 | 2.880 | 0.3600 | 0.720 |
0.8 | 0.90 | 0.97 | 0.144 | 0.288 | 0.480 | 0.960 | 0.0360 | 0.072 |
2.
2 ; = 4 ; = 12 ;
=36 ; =180 ; = 9 .
k=4 | k=8 | k=4 | k=8 | k=4 | k=8 | ||||
0.2 | 0.7 | 0.80 | 0.90 | 0.108 | 0.216 | 0.432 | 0.864 | 0.1080 | 0.2160 |
0.8 | 0.90 | 0.97 | 0.036 | 0.072 | 0.144 | 0.288 | 0.0108 | 0.0216 | |
0.3 | 0.7 | 0.80 | 0.90 | 0.162 | 0.324 | 0.648 | 1.296 | 0.1620 | 0.3240 |
0.8 | 0.90 | 0.97 | 0.054 | 0.108 | 0.216 | 0.432 | 0.0162 | 0.0324 | |
0.4 | 0.7 | 0.80 | 0.9 | 0.216 | 0.432 | 0.864 | 1.728 | 0.2160 | 0.4320 |
0.8 | 0.90 | 0.97 | 0.072 | 0.144 | 0.288 | 0.576 | 0.0216 | 0.0432 | |
0.5 | 0.7 | 0.80 | 0.9 | 0.270 | 0.540 | 1.080 | 2.160 | 0.2700 | 0.5400 |
0.8 | 0.90 | 0.97 | 0.090 | 0.180 | 0.360 | 0.720 | 0.0270 | 0.0540 | |
0.6 | 0.7 | 0.80 | 0.90 | 0.324 | 0.648 | 1.296 | 2.592 | 0.3240 | 0.6480 |
0.8 | 0.9 | 0.97 | 0.108 | 0.216 | 0.432 | 0.864 | 0.0324 | 0.0648 | |
0.7 | 0.7 | 0.80 | 0.9 | 0.378 | 0.756 | 1.512 | 3.024 | 0.3780 | 0.7560 |
0.8 | 0.90 | 0.97 | 0.126 | 0.252 | 0.504 | 1.008 | 0.0378 | 0.0756 | |
0.8 | 0.7 | 0.80 | 0.9 | 0.432 | 0.864 | 1.728 | 3.456 | 0.4320 | 0.8640 |
0.8 | 0.90 | 0.97 | 0.144 | 0.288 | 0.576 | 1.152 | 0.0432 | 0.0864 |
|
|
() :
- - 4 ;
- - (10 12) ;
- - (30 36) ;
- (50 60) , (120 180) ;
- (9 - 10) 64- .
1 2 , :
1 2 ( 0.5, 2 1). , .
1 , - : - 0.7, - 0.8, - 0.9. 2, 3 ( Xeon Nehalem), , , .
- . 4- 0.5 - , 1.3 1.7. 8- . 0.3 2.9 3.4.
, - ( ) .
- 4.
- , ( 4- ).
- ,
.
S , 1, 3.
4 Intel Xeon 5520 ( [3]), .
3.
- | ; ; ; | - | ; ; ;; | - S | |
0.2 | 0.18 | 0.072 | |||
0.36 | 0.144 | ||||
0.72 | 0.288 | ||||
0.3 | 0.27 | 0.108 | |||
0.54 | 0.216 | ||||
1.08 | 7.41 | 0.432 | |||
0.4 | 0.36 | 0.144 | |||
0.72 | 0.288 | ||||
1.44 | 5.6 | 0.576 | |||
0.5 | 0.45 | 0.180 | |||
0.90 | 0.360 | ||||
1.80 | 4.4 | 0.720 | |||
0.6 | 0.54 | 0.216 | |||
1.08 | 3.7 | 0.432 | |||
2.16 | 3.7 | 0.864 | |||
0.7 | 0.63 | 0.252 | |||
1.26 | 3.17 | 0.504 | |||
2.52 | 3.17 | 1.080 | 7.41 | ||
0.8 | 0.72 | 0.288 | |||
1.44 | 2.8 | 0.576 | |||
2.88 | 2.8 | 1.152 | 6.94 |
4.
|
|
S | Xeon 5520 | ||||
Copy | 1.98 | 2.99 | 3.27 | STREAM | |
Scale | 1.98 | 3.01 | 3.39 | ||
Add | 1.98 | 2.68 | 2.56 | ||
Triad | 1.97 | 2.71 | 2.70 | ||
Linpack (n=1000) | 1.83 | 2.45 | 2.16 | Linpack (n=1000) | |
Test178cls | 2.00 | 3.80 | 6.70 | Gaussian-03 | |
Test178mp2 | 1.80 | 3.20 | 5.10 | ||
Teat397dft_no FMM | 2.00 | 3.90 | 7.10 |
4 , , .
- . , , . , , , [2].
, . . ( , , ). ( -, , , ), , , - .
:
1. () ( - ) 1, n, n .
2. , - , :
- ;
.
.
:
1. .. . .., .. .: -, 2002. 608 .
2. David E.Culler, Jaswinder Pal Singh with Anoop Gupta. Parallel Computer Architecture: A hardware/software aproach. Morgan Publishers INC, San Francisco, California, 1999, 1025 p.
3. . Nehalem: . , 8, 2009.
004.31
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