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发表于 2009-9-8 10:41:31
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显示全部楼层
本帖最后由 tprime 于 2009-9-8 10:44 编辑
1# 056254628
前者叫偶数猜想, 我的程序能快速算出给定n (n < 10^15)
素数对数(p, q 且 q <= p) 满足p + q = n
欢迎测试
FastRn.exe
(37 KB, 下载次数: 7)
---------------------------------------------------------------
Calculate Goldbach partition G(n) / Twin Prime pairs Pi2(n)
(n < e15), version 5.10
Copyright (c) by Huang Yuanbing 2008-2009
Compiled by GNU/g++ 3.4.5 on 10:35:51 Sep 8 2009
OMP = 0, SMOVE = 5, POPCNT = 0, Param.Gap = 2
---------------------------------------------------------------
[-B: Benchmark]
[-H: Help command]
[-U: Unite test data from prime.gn]
[-T: Time print]
[-D: Debug log]
[-P: Progress print]
[-G: Goldbach partition / Twin Prime]
[-S: Size of BlockSize (n)]
[-O: Openmp threads (n 2-64)]
[-C: Cpu L2 Cache Size(n 128-4048)]
[-K: Pattern Gap (n 2 4)]
[-L: List Gn (beg) (end/number) (step)]
------------start G(n)/PI2(n) -----------
G(1000000000) = 2274205 time use 202.77 ms
e10
------------start G(n)/PI2(n) -----------
thread 1: ... 25.76%, total time ~= 1.46 s, ret ~= 18220950
thread 1: ... 51.62%, total time ~= 1.44 s, ret ~= 18215010, error ~= -0.0326%
thread 3: ... 77.47%, total time ~= 1.41 s, ret ~= 18195210, error ~= -0.1087%
G(10000000000) = 18200488 time use 1530.12 ms
g
e9
------------start G(n)/PI2(n) -----------
PI2(1000000000) = 3424506 time use 257.54 ms |
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