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Forum: Msieve

2009-01-05, 01:54

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Hello Jasonp. I will try learning how GGNFS...

Hello Jasonp.

I will try learning how GGNFS works and factor a small number, then i will have a matrix file that i need.

I generated randomly a matrix file, too. But it is not real, so i don't...

Forum: Msieve

2009-01-04, 16:52

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Yeah, thanks Jasonp. I see what is num_dense_rows...

Yeah, thanks Jasonp. I see what is num_dense_rows

i read two function: mul_packed() and mul_unpacked()

In mul_packed, you program with multithread, and split matrix into block ( on each threads...

Forum: Msieve

2009-01-04, 15:34

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Hello Jasonp. i read your matrix file again,...

Hello Jasonp.

i read your matrix file again, everything is right.

when i read your code, in function:

it has:

Forum: Msieve

2009-01-03, 07:57

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Hello Jasonp! I got your matrix file, after...

Hello Jasonp!

I got your matrix file, after unzipped files i have a folder includes:

old [folder]
msieve.dat.cyc
msieve.dat.mat
msieve.fb

i use your read_matrix() functions in gnfs/gf2.c,...

Forum: Msieve

2008-12-31, 17:44

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Thank you Jasonp, i see many problems that before...

Thank you Jasonp, i see many problems that before i don't understand.

Could you up load some your matrix file for me?

I want to try it with some different sizes. Then i can realize my problem...

Forum: Msieve

2008-12-31, 15:18

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Hello Jasonp. After i read dump_matrix() and...

Hello Jasonp.

After i read dump_matrix() and read_matrix() functions in gnfs/gf2.c(Msieve), i don't understand how could you read a large matrix into memory on computer.

If my computer has 2GB...

Forum: Msieve

2008-12-31, 14:05

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Thank you Jasonp. Could you send me a file matrix...

Thank you Jasonp. Could you send me a file matrix 200k columns? I want to check my program with it?

My network is slow. Could you up load your matrix on mediafire.com or rapidshare.com?.

My...

Forum: Msieve

2008-12-31, 11:45

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

It is mpqs. :smile:

It is mpqs. :smile:

Forum: Msieve

2008-12-31, 11:33

Replies: 17

Need msieve.dat file?

Views: 2,871

Posted By Greenk12

Need msieve.dat file?

Hello!

Now, i'm working to parallel block lanczos in Msieve (parallel a matrix vector multiplication in Block Lanczos) . But i don't have a matrix that enough big to test my program.

My matrix...

Forum: Factoring

2008-11-15, 09:42

Replies: 1

About random number (random seed) in Msieve

Views: 2,163

Posted By Greenk12

About random number (random seed) in Msieve

Hello!

I have question about Block Lanczos algorithm (Montgomery) :

As i know during run Block Lanczos algorithm - we select random a matrix Y (size nxN, N = 64), therefore we use this matrix...

Forum: Factoring

2008-11-02, 11:56

Replies: 22

GF(2) Matrix request

Views: 3,759

Posted By Greenk12

Hello Jasonp I have a problem during read...

Hello Jasonp

I have a problem during read your code. :smile:

This is my Matrix:

Colum 0 :0 0 0 1 0 1 1 - weight : 3
Colum 1 :1 0 1 1 1 0 0 - weight : 4
Colum 2 :1 1 0 1 0 1 0 - ...

Forum: Factoring

2008-10-31, 05:22

Replies: 22

GF(2) Matrix request

Views: 3,759

Posted By Greenk12

Hi jasonp ! Thank you for your explain ! But...

Hi jasonp !

Thank you for your explain ! But can u explaine me more about variable cycle , it is declared :
typedef struct {
uint32 num_relations; /* number of relations in the cycle */
...

Forum: Msieve

2008-10-30, 02:51

Replies: 2

Help about document for Msieve 1.38

Views: 1,497

Posted By Greenk12

Yes, I see. Thank you very much. ...

Yes, I see.

Thank you very much.

Continue working. :smile:

Forum: Msieve

2008-10-29, 05:04

Replies: 2

Help about document for Msieve 1.38

Views: 1,497

Posted By Greenk12

Help about document for Msieve 1.38

Hello everybody!

I am Binh. I am a student. Now, i am studying about factoring and Msieve. So I hope i will be received your help.

I want to know about Block Lanczos implementation in Msieve...

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