-bash-4.1$ /usr/java131/bin/java pi_fftcs 1000000
Calculation of PI using FFT and AGM, ver. LG1.1.2-MP1.5.2a.memsave
initializing...
nfft= 262144
radix= 10000
error_margin= 0.006286438480884726
calculating 1048576 digits of PI...
AGM iteration
precision= 48: 3.20 sec
precision= 80: 1.88 sec
precision= 176: 1.79 sec
precision= 352: 1.80 sec
precision= 688: 1.79 sec
precision= 1392: 1.79 sec
precision= 2784: 1.79 sec
precision= 5584: 1.78 sec
precision= 11168: 1.78 sec
precision= 22336: 1.78 sec
precision= 44688: 1.78 sec
precision= 89408: 1.77 sec
precision= 178816: 1.78 sec
precision= 357648: 1.78 sec
precision= 715312: 1.78 sec
precision= 1430640: 1.87 sec
writing pi1048576.txt
42.03 sec. (real time)
-bash-4.1$ /usr/java131/bin/java -version
java version "1.3.1"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1)
Classic VM (build 1.3.1, J2RE 1.3.1 IBM AIX build ca131-20070913 (SR11) (JIT enabled: jitc))
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-bash-4.1$ ./pi_css5 1000000
Calculation of PI using FFT and AGM, ver. LG1.1.2-MP1.5.2a.memsave
initializing...
nfft= 262144
radix= 10000
error_margin= 0.00587898
calculating 1048576 digits of PI...
AGM iteration
precision= 48: 1.42 sec
precision= 80: 1.42 sec
precision= 176: 1.43 sec
precision= 352: 1.42 sec
precision= 688: 1.42 sec
precision= 1392: 1.42 sec
precision= 2784: 1.42 sec
precision= 5584: 1.41 sec
precision= 11168: 1.41 sec
precision= 22336: 1.41 sec
precision= 44688: 1.41 sec
precision= 89408: 1.41 sec
precision= 178816: 1.40 sec
precision= 357648: 1.41 sec
precision= 715312: 1.41 sec
precision= 1430640: 1.41 sec
writing pi1048576.txt...
26.61 sec. (real time)
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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)
TEST : Iterations/sec. : Old Index : New Index
: : Pentium 90* : AMD K6/233*
--------------------:------------------:-------------:------------
NUMERIC SORT : 351.84 : 9.02 : 2.96
STRING SORT : 28.816 : 12.88 : 1.99
BITFIELD : 5.105e+07 : 8.76 : 1.83
FP EMULATION : 17.708 : 8.50 : 1.96
FOURIER : 7683.2 : 8.74 : 4.91
ASSIGNMENT : 5.3466 : 20.34 : 5.28
IDEA : 928.12 : 14.20 : 4.21
HUFFMAN : 408.4 : 11.32 : 3.62
NEURAL NET : 8.3532 : 13.42 : 5.64
LU DECOMPOSITION : 267.04 : 13.83 : 9.99
==========================ORIGINAL BYTEMARK RESULTS==========================
INTEGER INDEX : 11.601
FLOATING-POINT INDEX: 11.749
Baseline (MSDOS*) : Pentium* 90, 256 KB L2-cache, Watcom* compiler 10.0
==============================LINUX DATA BELOW===============================
CPU : POWER3-II 450MHz
L2 Cache : 8MB
OS : AIX 4.3.3
C compiler : gcc version 3.4.3
libc :
MEMORY INDEX : 2.679
INTEGER INDEX : 3.068
FLOATING-POINT INDEX: 6.517
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.
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