Prime95 v30.3

[Prime95]

Possibly too aggressive. In results.txt, what are the 9 error messages?

[Mark Rose]

Originally Posted by Prime95

Possibly too aggressive. In results.txt, what are the 9 error messages?

[Tue Sep 15 03:18:13 2020]
Iteration: 614960/53591537, Possible error: round off (0.4305230135) > 0.42188
Continuing from last save file.
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
[Tue Sep 15 04:59:01 2020]
Iteration: 5758319/53591537, Possible error: round off (0.4233788043) > 0.42188
Continuing from last save file.
[Tue Sep 15 05:13:30 2020]
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
[Tue Sep 15 12:18:46 2020]
Iteration: 28314499/53591537, Possible error: round off (0.4425135837) > 0.42188
Continuing from last save file.
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
[Tue Sep 15 13:40:49 2020]
Iteration: 32437359/53591537, Possible error: round off (0.4299476187) > 0.42188
Continuing from last save file.
[Tue Sep 15 14:07:06 2020]
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
[Tue Sep 15 14:24:48 2020]
Iteration: 33363026/53591537, Possible error: round off (0.4268056902) > 0.42188
Continuing from last save file.
[Tue Sep 15 14:51:45 2020]
Iteration: 34251107/53591537, Possible error: round off (0.4265658891) > 0.42188
Continuing from last save file.
[Tue Sep 15 14:58:57 2020]
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
Iteration: 34476765/53591537, Possible error: round off (0.4396423807) > 0.42188
Continuing from last save file.
[Tue Sep 15 15:08:02 2020]
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
[Tue Sep 15 16:37:00 2020]
Iteration: 39188425/53591537, Possible error: round off (0.4290449117) > 0.42188
Continuing from last save file.
[Tue Sep 15 16:59:26 2020]
Disregard last error. Result is reproducible and thus not a hardware problem.
For added safety, redoing iteration using a slower, more reliable method.
Continuing from last save file.
[Tue Sep 15 19:06:40 2020]
Iteration: 45470192/53591537, Possible error: round off (0.4226116219) > 0.42188
Continuing from last save file.

For what it's worth, 53484341, 53512867, 53513183, 53539313, and 53565907 also produced reports about possible round off errors, but they each matched an existing result. Additionally, 53851783 and higher did not produce any errors. 53752613 is being run with a 2880K FFT and I suspect it will be fine.

53591537 did up matching an existing result, despite the high number of errors.

[Prime95]

Those errors are "normal". The 0.4425135837 error does indicate roundoffs are getting pretty high. I'll change lower the AVX-512 crossover in 30.4 from 53620000 to 53490000.

[Prime95]

I've made 30.3 build 6 the official download version at mersenne.org!

[tanaydin]

Hi there,

I'm so excited about new version, but still missing macOS version.
Do you have a plan for it?

[S485122]

Originally Posted by Prime95

Those errors are "normal". The 0.4425135837 error does indicate roundoffs are getting pretty high. I'll change lower the AVX-512 crossover in 30.4 from 53620000 to 53490000.

To give some more data : i9-10920X with AVX-512F
and the following parameter in prime.txt : SoftCrossoverAdjust=-0.012

I got following errors (among runs without errors, the CPU although limited by me to 140 W instead of 165 W returns almost 2 DC results a day)

{"status":"C", "exponent":55190467, "worktype":"LL", "res64":"17DF95B829EA628B", "fft-length":2949120, "shift-count":9071492, "error-code":"01000100", "security-code":"6A9D12BA", "program":{"name":"Prime95", "version":"29.8", "build":6, "port":4}, "timestamp":"2020-05-20 22:21:53", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"4A9A8C34C8355B10C8AD93569EFC5E45"}
{"status":"C", "exponent":51473897, "worktype":"LL", "res64":"DBC33E34BE0E032C", "fft-length":2752512, "shift-count":24082686, "error-code":"01000100", "security-code":"F0D8AE05", "program":{"name":"Prime95", "version":"29.8", "build":6, "port":4}, "timestamp":"2020-06-04 08:04:32", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"00214F9A3E0FB26D5DE31C84CD796DC7"}
{"status":"C", "exponent":51461401, "worktype":"LL", "res64":"3B4A76AD7BBB77AB", "fft-length":2752512, "shift-count":3254699, "error-code":"01000100", "security-code":"F11D7C2F", "program":{"name":"Prime95", "version":"29.8", "build":6, "port":4}, "timestamp":"2020-06-08 06:04:17", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"4870B494ECD1B1A6682C9AB6FAF3DA1E"}
{"status":"C", "exponent":52364737, "worktype":"LL", "res64":"7795CD64AC219172", "fft-length":2809856, "shift-count":39243522, "error-code":"02000300", "security-code":"9693848C", "program":{"name":"Prime95", "version":"29.8", "build":6, "port":4}, "timestamp":"2020-06-27 22:57:04", "errors":{"Roundoff":3}, "user":"S485122", "computer":"i9-10920X", "aid":"3DBC1913AC2DE2977C78342D966A8ABA"}
{"status":"C", "exponent":53400911, "worktype":"LL", "res64":"2C6FB1EE1442C004", "fft-length":2867200, "shift-count":43429403, "error-code":"01000100", "security-code":"3CA93AF4", "program":{"name":"Prime95", "version":"30.3", "build":3, "port":4}, "timestamp":"2020-08-30 14:06:23", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"C849AC91C157F25903DF01FAB21CFF6B"}
{"status":"C", "exponent":53420317, "worktype":"LL", "res64":"17510756BF341103", "fft-length":2867200, "shift-count":34672085, "error-code":"01000200", "security-code":"0BDF5987", "program":{"name":"Prime95", "version":"30.3", "build":3, "port":4}, "timestamp":"2020-09-04 06:33:36", "errors":{"Roundoff":2}, "user":"S485122", "computer":"i9-10920X", "aid":"2C8BD32F8C5B13EBF5C5E1ED17EBA9EE"}
{"status":"C", "exponent":53421169, "worktype":"LL", "res64":"4F2AF1B315BEB07D", "fft-length":2867200, "shift-count":29613781, "error-code":"01000100", "security-code":"BF5D83E2", "program":{"name":"Prime95", "version":"30.3", "build":3, "port":4}, "timestamp":"2020-09-04 20:32:39", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"421E1259667AC0B12D88E5B5E5D18366"}
{"status":"C", "exponent":53440421, "worktype":"LL", "res64":"9E870DC045207123", "fft-length":2867200, "shift-count":27998026, "error-code":"01000100", "security-code":"14A0E14E", "program":{"name":"Prime95", "version":"30.3", "build":3, "port":4}, "timestamp":"2020-09-08 20:44:57", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"D5AE4F687E540B76FB7F0FABF4D8C5AB"}
{"status":"C", "exponent":53452613, "worktype":"LL", "res64":"D57B5329BE9E49FA", "fft-length":2867200, "shift-count":52353048, "error-code":"01000100", "security-code":"C783F209", "program":{"name":"Prime95", "version":"30.3", "build":3, "port":4}, "timestamp":"2020-09-10 22:14:30", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"0F02154927C635FB72ED727BE6349256"}
{"status":"C", "exponent":53454073, "worktype":"LL", "res64":"783100F91A32C303", "fft-length":2867200, "shift-count":31074045, "error-code":"02000200", "security-code":"BACD6363", "program":{"name":"Prime95", "version":"30.3", "build":6, "port":4}, "timestamp":"2020-09-11 12:35:10", "errors":{"Roundoff":2}, "user":"S485122", "computer":"i9-10920X", "aid":"472C6B93E4DD376691E09C606371E4F7"}

After 2020-09-11 10:30 I removed the SoftCrossoverAdjust=-0.012 parameter to replace it with : ExtraSafetymargin=0.02 but still got the following errors :

{"status":"C", "exponent":53450387, "worktype":"LL", "res64":"3FF78DA89C649E2B", "fft-length":2867200, "shift-count":24602115, "error-code":"01000100", "security-code":"9084119F", "program":{"name":"Prime95", "version":"30.3", "build":6, "port":4}, "timestamp":"2020-09-12 02:41:26", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"22BA5D1071303EE4A14332B1BA271A7D"}
{"status":"C", "exponent":53481889, "worktype":"LL", "res64":"91BCE109FFD2E974", "fft-length":2867200, "shift-count":29308399, "error-code":"01000100", "security-code":"5C42F4E1", "program":{"name":"Prime95", "version":"30.3", "build":6, "port":4}, "timestamp":"2020-09-13 06:31:56", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"B1CAE2FDEF46A5D9C5FCAA8DD27D9C1D"}
{"status":"C", "exponent":53494141, "worktype":"LL", "res64":"193A0B5089007F76", "fft-length":2867200, "shift-count":40860647, "error-code":"01000100", "security-code":"4C392479", "program":{"name":"Prime95", "version":"30.3", "build":6, "port":4}, "timestamp":"2020-09-14 10:29:50", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"DA2D6BD6F611EC3F51B2F3BC238F86A8"}
{"status":"C", "exponent":53494739, "worktype":"LL", "res64":"7CBE9C72B81E2808", "fft-length":2867200, "shift-count":33455163, "error-code":"01000100", "security-code":"D9E46935", "program":{"name":"Prime95", "version":"30.3", "build":6, "port":4}, "timestamp":"2020-09-15 00:44:22", "errors":{"Roundoff":1}, "user":"S485122", "computer":"i9-10920X", "aid":"10804C8ED603CB3012622D1BC466ADD5"}

Jacob

(And the manual assignments pages should NOT give out exponents that are in the double check CAT 0 and CAT 1categories ;-)

[pmart]

Hi,

I think download section currently lists the wrong checksum

$ sha256sum p95v303b6.linux64.tar.gz 
ee54b56062feb05c9f80963a4e3ae8555d0e59ca60ddbcba65ce05225c9b9a79  p95v303b6.linux64.tar.gz

[storm5510]

I am having some difficulties with mprime (30.3 B6) and I am fairly certain this is the result of the way I am stopping it. Using -m on the command line brings up the menu at startup. Once I allow it to run, it doesn't respond to anything other than Ctrl-C. I looked through the documents in the archive. Beside the reference to the command for startup, I didn't see anything about a command to properly stop it or bring the menu up. Using Ctrl-C, has resulted in emptied worktodo files, and hidden results files which are sometimes deleted. Trying other keys and combinations also had no affect. There must be a way...

[Prime95]

Originally Posted by tanaydin

Hi there,

I'm so excited about new version, but still missing macOS version.
Do you have a plan for it?

My Mac died. I might can steal some CPU cycles from my wife's Mac. Would a GUI-less version suffice?

[DrobinsonPE]

Originally Posted by storm5510

I am having some difficulties with mprime (30.3 B6) and I am fairly certain this is the result of the way I am stopping it. Using -m on the command line brings up the menu at startup. Once I allow it to run, it doesn't respond to anything other than Ctrl-C. I looked through the documents in the archive. Beside the reference to the command for startup, I didn't see anything about a command to properly stop it or bring the menu up. Using Ctrl-C, has resulted in emptied worktodo files, and hidden results files which are sometimes deleted. Trying other keys and combinations also had no affect. There must be a way...

I have not downloaded 30.3 B6 but am using 30.3 B4 and B5 on multiple computers. The menu includes a number at the start of each line. I have always just typed in the number and hit enter.

Enter - brings up the menu.
4 Enter - starts and stops the workers.
5 Enter - quits mprime.

Those are what I use the most.

[Mark Rose]

Originally Posted by storm5510

I am having some difficulties with mprime (30.3 B6) and I am fairly certain this is the result of the way I am stopping it. Using -m on the command line brings up the menu at startup. Once I allow it to run, it doesn't respond to anything other than Ctrl-C. I looked through the documents in the archive. Beside the reference to the command for startup, I didn't see anything about a command to properly stop it or bring the menu up. Using Ctrl-C, has resulted in emptied worktodo files, and hidden results files which are sometimes deleted. Trying other keys and combinations also had no affect. There must be a way...

You just want to run it, I use `./mprime -d`. Then ctrl-c will cause it to quit.