Search for prime gaps that can be found in the range 4e18 to 5e18

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#51 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Anyone with a AMD Threadripper to make me quick test?
Windows binaries here:

http://www.mersenneforum.org/showpost.p ... tcount=133

Run for 30 mins although the client needs to stabilize for 12 hours.
./gap11.exe -n1 9e18 -n2 9.25e18 -n 9e18 -res1 3000 -res2 3100 -res 3000 -m1 1190 -m2 8151 -unknowngap 1382 -numcoprime 27 -sb 24 -bs 14 -mem 64 -t 32

My laptop: 31e9 n/sec with -sb 24 -bs 14 -mem 12 -t 8
cygwin1.7z
gap11_exe.7z
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#52 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Latest results have been published at:

http://www.trnicely.net/gaps/gaplist.html

and myself and Steve Cole have made into math history by being on the list of prime gaps discoveries. Search by Pinho_MF and ColeStev.
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#53 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by Alez »

Well done to both of you.
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#54 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Thank you Alez. Care to join? Odds now as we stand are higher to find a record.

Basically we need to replace the current C?C with new ones with less digits, currently all 19 digits are gone (missing latest update). Now at 20 digits, this means the majority of the C?C above 20 digits will fall. Even a 4C/8T can make a difference.
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#55 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Here are some stats to date. Completed from 4e18 to 10e18. Ongoing 10e18 to 11e18.
Free ranges:
11e18 to 12e18
12e18 to 13e18
13e18 to 14e18
14e18 to 15e18
15e18 to 16e18

Code: Select all

Searcher	done	resd	records
			
danaj   	2011.3	170.3	6
Thomas11	1320.1	92.0	8
Antonio      	427.6	0.0	2
robert44444uk	487.4	36.8	4
pinhodecarlos	327.4	23.0	2 (+1 attrib to ET_)
mart_r    	355.7	18.4	0
Scole250	960.0	0.0	1
ET_        	7.0	0.0	1 (attrib. from pinhodecarlos)
ldesnogu	60.0	0.0	0
axn        	182.8	0.0	1
henryzz  	20.0	0.0	0
firejuggler	52.3	9.2	0
			
			
Total   	6211.6	349.7	25


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#56 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

pinhodecarlos wrote: Fri Nov 24, 2017 3:59 pm Thank you Alez. Care to join? Odds now as we stand are higher to find a record.

Basically we need to replace the current C?C with new ones with less digits, currently all 19 digits are gone (missing latest update). Now at 20 digits, this means the majority of the C?C above 20 digits will fall. Even a 4C/8T can make a difference.
As the C?C became CFC, this means the prime gap with smaller digits, the flag -unknowngap can be increased which for the same search space the sieve step will be quicker. Steve, client gap12 is at least 50% faster than the one you used to run your ranges so 1000 will take only 2 weeks in your farm. Just to let you know. Time window to own some records is now on the 11-12 range.
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#57 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Range 10000e15 to 11000e15 is now closed for reservations.
Open from 11000e15 up to 16500e15. Lot´s of records to be found here..
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#58 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

We are close to complete up to 11000e15. Open ranges now at 11e18 to 12e18.

I know this is a monologue but trying my best to have more external support.
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#59 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Linux binaries:

http://mersenneforum.org/showpost.php?p ... tcount=150

BTW, -unknowngap 1382 was discovered on the range 1.1e19 to 1.2e19 which means for range 12000e15 to 13000e15 -unknowngap should be set to 1412. Still awaiting to know if we can shorter -m1 to -m2 space. This will give a boost on speed.
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#60 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by Alez »

pinhodecarlos wrote: Thu Dec 07, 2017 8:57 pm We are close to complete up to 11000e15. Open ranges now at 11e18 to 12e18.

I know this is a monologue but trying my best to have more external support.
Don't feel bad. I'm sure more read it than ever comment. I would try and help out but my computers are an eighth of the world away just now.
Someone want to put up a quick easy how to run this all in one post and maybe some others will jump onboard ?
How to install, how to run, how to reserve a range, where to report it etc
Preferably covering both windows and Linux.
Let's see if we can give it a bit more prominence. I can also add it under the non Boinc projects with a separate sub forum, see if that gives it some more visibility.
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#61 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Thank you Alez.

All reservations are made through mersenneforum.org at:

range (1.1e19 to 1.2e19) - http://www.mersenneforum.org/showthread.php?t=22749

but I can reserve a big range and manage the reservations from here but I would prefer if people could go there and reserve the ranges. If not I can do it here.

How to run the client?

An example of a complete line of code for a windows emulator, on a small laptop might be: ./gap12.exe -n1 1.1e19 -n2 1.2e19 -n 1.1e19 -res1 3000 -res2 3100 -res 3000 -m1 1190 -m2 8151 -unknowngap 1382 -numcoprime 27 -sb 24 -bs 13 -mem 2.62 -t 4

or whatever you have named your .exe file
or what ever your reserved range is, taking care to make sure that -res is set initially to the start of the range
these variables depend on the capabilities of your computer

-n1: start of range
-n2: end of range
-n: start of range
-n1 1.1e19 -n2 1.2e19 -n 1.1e19 (fixed per range, what changes are -res1 3000 -res2 3100 -res 3000. -res=-res1 3000 start of block, -res2 end of block. Block goes from 0 to 8151.

Linux binaries:
gap12_linux_static.zip
gap12_linux.zip
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#62 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Windows binaries:
gap12_exe.7z
cygwin1.7z

-mem 2.62 -t 4

-mem means how much memory you want to allocate
-t number of threads

For example for a 64 thread machine (64 GB) you will need to create 4 folders and run -t 16. Lets imagine for range 1.1e19 to 1.2e19 you want to split (-res1 3000 -res2 4000 -res 3000):

folder 1: ./gap12.exe -n1 1.1e19 -n2 1.2e19 -n 1.1e19 -res1 3000 -res2 3250 -res 3000 -m1 1190 -m2 8151 -unknowngap 1382 -numcoprime 27 -sb 24 -bs 13 -mem 14 -t 16
folder 2: ./gap12.exe -n1 1.1e19 -n2 1.2e19 -n 1.1e19 -res1 3250 -res2 3500 -res 3250 -m1 1190 -m2 8151 -unknowngap 1382 -numcoprime 27 -sb 24 -bs 13 -mem 14 -t 16
folder 3: ./gap12.exe -n1 1.1e19 -n2 1.2e19 -n 1.1e19 -res1 3500 -res2 3750 -res 3500 -m1 1190 -m2 8151 -unknowngap 1382 -numcoprime 27 -sb 24 -bs 13 -mem 14 -t 16
folder 4: ./gap12.exe -n1 1.1e19 -n2 1.2e19 -n 1.1e19 -res1 3750 -res2 4000 -res 3750 -m1 1190 -m2 8151 -unknowngap 1382 -numcoprime 27 -sb 24 -bs 13 -mem 14 -t 16
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#63 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Everybody works on the same range but different blocks.

For the time being I would like people to try the client before making the project visible since clients are standalone, not internet connection needed, everytime a block is completed you must move the results files before starting a new block. Client resumes and has checkpoints in function of the computer speed (15 mins, my machine).
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#64 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

BTW, the client now takes advantage of avx instructions.
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#65 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Here are some stats to date. Completed from 4e18 to 11e18. Ongoing 11e18 to 12e18.
Free ranges:
12e18 to 13e18
13e18 to 14e18
14e18 to 15e18
15e18 to 16e18

Code: Select all

Searcher	done	resd	records
			
danaj   	2407.1	196.3	6
Thomas11	1645.2	245.4	9
Antonio      	433.8	12.3	1
robert44444uk	536.5	73.6	5
pinhodecarlos	367.9	61.3	2
mart_r    	410.9	39.3	0
Scole250	960.0	0.0	1
ET_        	7.0	0.0	1
ldesnogu	60.0	0.0	0
axn        	182.8	0.0	1
henryzz  	20.0	0.0	0
firejuggler	64.5	12.3	0
rudy235      	0.0	6.1	0
			
Total   	7095.7	646.5	26
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#66 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Thank you Steve for coming back to help as a little.
In the meantime we have open a new range for reservation with new flags. Should be faster to process. Range is 1.2e19 to 1.3e19 but previous one should be ran with old flags, they can’t be mixed up.

gap12.exe -n1 1.2e19 -n2 1.3e19 -n 1.2e19 -res1 3000 -res2 3100 -res 3000 -m1 1235 -m2 7854 -unknowngap 1412 -numcoprime 27 -sb 24 -bs 13 -mem 2.62 -t 4
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#67 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Steve is on fire, so far three new records. Thank you. Now we need to wait for Dr.Nicely webpage update so I suppose it will happen after New Year.
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#68 Re: Search for prime gaps that can be found in the range 4e18 to 5e18

Post by pinhodecarlos »

Record page has been updated and congratulations Steve for more three records for eternity. Well done.

http://www.trnicely.net/gaps/gaplist.html#Instructions
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