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Search: Posts Made By: wreck
Forum: YAFU 2022-11-25, 12:53
Replies: 82
Views: 7,426
Posted By wreck
Thanks for the fix. Another confusion is...

Thanks for the fix.

Another confusion is that ,
when set the rlim and alim to 500000000,
the version 551 (newest version) is about 10% slower than the 550 version (second newest version).

I'm...
Forum: YAFU 2022-11-18, 16:14
Replies: 82
Views: 7,426
Posted By wreck
lpb34 crash

When sieve R942 using lpb34, the avx512-lasieve5 crash immediately,
while the original lasieve5 could work properly.

command is
./gnfs-lasieve4I16e -v -f 380000000 -c 1000 -o...
Forum: YAFU 2022-10-21, 15:26
Replies: 82
Views: 7,426
Posted By wreck
I have done the sieve from 316M to 317M of...

I have done the sieve from 316M to 317M of R1340L, 959668 relations collected,
while 315M to 316M collect 1291314 relations, about 331646 less relations.
316000000 to 316492661 sieved using...
Forum: YAFU 2022-10-17, 14:52
Replies: 82
Views: 7,426
Posted By wreck
I think it is, this source needs cweb command,...

I think it is, this source needs cweb command, perhaps it means command ctangle should could run normally.

I could build that source 5 years ago, but it is a little strange that now I cann't...
Forum: EdH 2022-10-15, 12:30
Replies: 6
Views: 8,331
Posted By wreck
A small complement, this method could use when...

A small complement, this method could use when download ggnfs code from
https://sourceforge.net/projects/ggnfs/

And if download code from
https://github.com/MersenneForum/ggnfs
could compile...
Forum: YAFU 2022-10-15, 00:44
Replies: 82
Views: 7,426
Posted By wreck
1. Validity check. For safety reason, I write a...

1. Validity check.
For safety reason, I write a small program and
have verified that for the small test relation set (R1340L, q=316M, -c 1000),
the avx512 ggnfs version's relations are all belong...
Forum: YAFU 2022-10-14, 13:35
Replies: 82
Views: 7,426
Posted By wreck
The new binary seems a bit faster again, but...

The new binary seems a bit faster again, but relations sieved still less than official ggnfs.

533 version

chenbo@chenbo:~/D/chenbo/my/math/cpp/yafu/yafu533/yafu-master/factor/lasieve4_64$...
Forum: EdH 2022-10-11, 15:24
Replies: 6
Views: 8,331
Posted By wreck
Thanks for the instructions, I could build the...

Thanks for the instructions,
I could build the gnfs-lasieve4I1{1,2,3,4,5,6}e binary successfully using this method.
Forum: YAFU 2022-10-09, 13:02
Replies: 82
Views: 7,426
Posted By wreck
My computer's CPU is Intel Core i5-1135G7, the...

My computer's CPU is Intel Core i5-1135G7, the /proc/cpuinfo says it support avx512.

After I install icc , I could compile a gnfs-lasieve4I16e binary successfully,
but a little slower (0.75062...
Forum: YAFU 2022-10-08, 14:21
Replies: 82
Views: 7,426
Posted By wreck
When I try your gnfs-lasieve4I16e on number...

When I try your gnfs-lasieve4I16e on number R1340L (an degree 8 snfs) near q=316M, the speed
is 0.73 sec/rel, while the original binary is 0.96 sec/rel.

So I try to compile a Linux or a Windows...
Forum: Msieve 2022-06-13, 14:22
Replies: 75
Views: 39,493
Posted By wreck
I compiled a win10 msieve r1044 binary, CPU is an...

I compiled a win10 msieve r1044 binary, CPU is an i5-1135G7.
Brief install step is:
1. Install tool cygwin64
2. Install gmp (using download method).
3. Install msieve (using make method).
Forum: Msieve 2022-05-12, 12:25
Replies: 75
Views: 39,493
Posted By wreck
Sorry to dig an old thread. But could anyone...

Sorry to dig an old thread.
But could anyone help to compile a newer msieve binary of the version r1044 under
windows environment (64-bit)?
CPU architecture consistent with AMD Ryzen-7 would...
Forum: PrimeNet 2022-01-26, 14:58
Replies: 36
Views: 5,344
Posted By wreck
This report updates every hour on the hour. This...

This report updates every hour on the hour. This report produced 2022-01-26 14:02 UTC
for you Manual testing 666666667 NF 2022-01-26 09:56 0.0 ********* no factor from 2^127 to 2^1024
for...
Forum: YAFU 2021-09-29, 15:18
Replies: 15
Views: 3,600
Posted By wreck
I give a small test to the number 10,1050L, but...

I give a small test to the number 10,1050L, but it seems like it could not recognize the form.

YAFU Version 2.07
Built with Microsoft Visual Studio 1928
Using GMP-ECM 7.0.4, Powered by MPIR...
Forum: Msieve 2021-09-23, 11:46
Replies: 117
Views: 19,607
Posted By wreck
I give a try to receive NFS@Home WU and found...

I give a try to receive NFS@Home WU and found lpbr and lpba 34 assignment of 2,2174M.
Here is the polynomial file S2M2174b.poly's contents.


n:...
Forum: Factoring 2021-05-06, 11:34
Replies: 1,027
Views: 153,121
Posted By wreck
Congratulations, it's a pleasure to see that...

Congratulations, it's a pleasure to see that msieve could work without crash when unique relations' count larger than 2000M.
Forum: Lounge 2021-03-08, 12:31
Replies: 4
Views: 830
Posted By wreck
3-2/1=1! (3-2)/1=1 6-0/2=3! (6-0)/2=3 ...

3-2/1=1!
(3-2)/1=1
6-0/2=3!
(6-0)/2=3
138-108/6=5!
(138-108)/6=5
Forum: Factoring 2021-01-31, 05:49
Replies: 1,027
Views: 153,121
Posted By wreck
After read the code (msieve r1030) about eight...

After read the code (msieve r1030) about eight hours
(1767 code line read, folder common/filter, file singleton.c, clique.c, etc.),
this filter problem seems not easy to solve.
But here are some...
Forum: Factoring 2021-01-25, 01:21
Replies: 1,027
Views: 153,121
Posted By wreck
Could you compile a debug version to see which...

Could you compile a debug version to see
which line it crashing?
Forum: Factoring 2021-01-19, 10:13
Replies: 1,027
Views: 153,121
Posted By wreck
If possible , could you give it another try with...

If possible , could you give it another try with unique relations less
than 1600M?
As a comparison, VBCurtis done 2,2330L (gnfs 207) with 162M unique relations.
And , in my memory, there is a...
Forum: Factoring 2021-01-15, 15:06
Replies: 1,027
Views: 153,121
Posted By wreck
Repeate messages. Some background date: 1....

Repeate messages.
Some background date:
1. filter step for 2,1076+ snfs 324 (688M relations) : 15 hours.
2. filter step for 10,459- snfs 306 (737M relations) : 22 hours.
Forum: Factoring 2021-01-15, 14:59
Replies: 1,027
Views: 153,121
Posted By wreck
I'd suggest to do the 'NFS Filtering' step 50...

I'd suggest to do the 'NFS Filtering' step 50 hours first , to look what will happen then. Since the relations count is 2000 million, it will meed more patience than 1000 million.
Forum: Factoring 2020-09-29, 10:39
Replies: 8
Views: 3,476
Posted By wreck
1. I thought you mean 2^1277-1, but the link says...

1. I thought you mean 2^1277-1, but the link says it is not.
2. For the factor of 2^2991277-1, though it is less interest than 2^1277-1, it is still a interesting number. For time to time, I give a...
Forum: Cunningham Tables 2020-07-02, 00:04
Replies: 240
Views: 96,324
Posted By wreck
I guess you mean increase alim and decrease rlim,...

I guess you mean increase alim and decrease rlim, use option -a.
But I test again with these changes, the situation is the same.
When I use alim=800M rlim =200M -a, and binary lasieve5_f compiled,...
Forum: Cunningham Tables 2020-06-29, 10:29
Replies: 240
Views: 96,324
Posted By wreck
I test the speed 4 years ago, the result shows...

I test the speed 4 years ago, the result shows deg 7 is much slower than deg 6.
deg 6 need 102 CPU years to collect 1200M raw relations, while deg 7 need 182 CPU years on an i3 CPU.
I attach the...
Showing results 1 to 25 of 183

 
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