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Message boards : Proth Prime Search : 26 minutes for a HD6970 ?

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Profile [AF>HFR>RR] Gaulois952
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Joined: 28 Aug 08
Posts: 2
ID: 27940
Credit: 56,135,691
RAC: 0
321 LLR Bronze: Earned 10,000 credits (10,897)PPS LLR Bronze: Earned 10,000 credits (18,701)TPS LLR (retired) Silver: Earned 100,000 credits (177,668)Woodall LLR Bronze: Earned 10,000 credits (21,229)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,038,516)PPS Sieve Emerald: Earned 50,000,000 credits (50,434,453)GFN Silver: Earned 100,000 credits (414,229)
Message 29561 - Posted: 18 Dec 2010 | 14:57:39 UTC

Hello everyone,

I would like to know why my HD6970 is crunching a PPS unit during 26 minutes when a GTX 580 is only crunching on 5 minutes :(

Thanks !

Profile rroonnaallddProject donor
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Credit: 34,634,263
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321 LLR Silver: Earned 100,000 credits (101,692)Cullen LLR Silver: Earned 100,000 credits (104,876)ESP LLR Silver: Earned 100,000 credits (101,979)PPS LLR Silver: Earned 100,000 credits (148,018)PSP LLR Silver: Earned 100,000 credits (140,441)SoB LLR Silver: Earned 100,000 credits (119,475)SR5 LLR Silver: Earned 100,000 credits (120,939)SGS LLR Silver: Earned 100,000 credits (122,783)TRP LLR Silver: Earned 100,000 credits (100,115)Woodall LLR Silver: Earned 100,000 credits (107,459)321 Sieve Silver: Earned 100,000 credits (202,757)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (6,908,135)PPS Sieve Sapphire: Earned 20,000,000 credits (25,450,104)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (130,966)TRP Sieve (suspended) Silver: Earned 100,000 credits (201,525)AP 26/27 Silver: Earned 100,000 credits (100,015)GFN Silver: Earned 100,000 credits (246,369)PSA Silver: Earned 100,000 credits (226,594)
Message 29562 - Posted: 18 Dec 2010 | 15:02:23 UTC - in response to Message 29561.

Hello everyone,

I would like to know why my HD6970 is crunching a PPS unit during 26 minutes when a GTX 580 is only crunching on 5 minutes :(

Thanks !

PPS uses Cuda on nVidia-cards and OpenCL on ATI.
____________
Best wishes. Knowledge is power. by jjwhalen

Vid Vidmar*
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Posts: 45
ID: 377
Credit: 70,953,229
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321 LLR Amethyst: Earned 1,000,000 credits (1,144,068)Cullen LLR Gold: Earned 500,000 credits (631,529)ESP LLR Bronze: Earned 10,000 credits (38,854)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (186,632)PPS LLR Silver: Earned 100,000 credits (497,365)PSP LLR Amethyst: Earned 1,000,000 credits (1,484,342)SoB LLR Amethyst: Earned 1,000,000 credits (1,169,328)SR5 LLR Bronze: Earned 10,000 credits (23,176)SGS LLR Silver: Earned 100,000 credits (120,236)TRP LLR Silver: Earned 100,000 credits (325,761)Woodall LLR Amethyst: Earned 1,000,000 credits (1,941,922)321 Sieve Ruby: Earned 2,000,000 credits (2,144,147)Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,942,972)Generalized Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (29,485)PPS Sieve Emerald: Earned 50,000,000 credits (56,735,073)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (223,823)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,580,537)AP 26/27 Gold: Earned 500,000 credits (682,470)
Message 29563 - Posted: 18 Dec 2010 | 15:14:25 UTC - in response to Message 29561.

Hello everyone,

I would like to know why my HD6970 is crunching a PPS unit during 26 minutes when a GTX 580 is only crunching on 5 minutes :(

Thanks !

I wouldn't worry so much about a nVidia card being faster than your ATI, that's how it is here at Primegrid. I would worry more about why is your card only half as fast as my 5870, which takes around 875s for a WU (at the moment I don't have any results to show, as I ran my caches dry for the challenge, but when it starts, check here). You will see 2 different run times, the longer, of around 2450s are from a 4870.
BR
____________

Profile [AF>HFR>RR] Gaulois952
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Joined: 28 Aug 08
Posts: 2
ID: 27940
Credit: 56,135,691
RAC: 0
321 LLR Bronze: Earned 10,000 credits (10,897)PPS LLR Bronze: Earned 10,000 credits (18,701)TPS LLR (retired) Silver: Earned 100,000 credits (177,668)Woodall LLR Bronze: Earned 10,000 credits (21,229)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,038,516)PPS Sieve Emerald: Earned 50,000,000 credits (50,434,453)GFN Silver: Earned 100,000 credits (414,229)
Message 29594 - Posted: 18 Dec 2010 | 22:50:52 UTC - in response to Message 29563.
Last modified: 18 Dec 2010 | 22:51:30 UTC

Thanks for the answers :)

Do you know if an app for HD6970 is planned ?

Profile rroonnaallddProject donor
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Credit: 34,634,263
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321 LLR Silver: Earned 100,000 credits (101,692)Cullen LLR Silver: Earned 100,000 credits (104,876)ESP LLR Silver: Earned 100,000 credits (101,979)PPS LLR Silver: Earned 100,000 credits (148,018)PSP LLR Silver: Earned 100,000 credits (140,441)SoB LLR Silver: Earned 100,000 credits (119,475)SR5 LLR Silver: Earned 100,000 credits (120,939)SGS LLR Silver: Earned 100,000 credits (122,783)TRP LLR Silver: Earned 100,000 credits (100,115)Woodall LLR Silver: Earned 100,000 credits (107,459)321 Sieve Silver: Earned 100,000 credits (202,757)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (6,908,135)PPS Sieve Sapphire: Earned 20,000,000 credits (25,450,104)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (130,966)TRP Sieve (suspended) Silver: Earned 100,000 credits (201,525)AP 26/27 Silver: Earned 100,000 credits (100,015)GFN Silver: Earned 100,000 credits (246,369)PSA Silver: Earned 100,000 credits (226,594)
Message 29596 - Posted: 18 Dec 2010 | 22:55:43 UTC - in response to Message 29594.

There is one OpenCL-app for all ATI-cards.
____________
Best wishes. Knowledge is power. by jjwhalen

Profile Ian Smith
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Credit: 5,413,535
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321 LLR Bronze: Earned 10,000 credits (23,601)Cullen LLR Bronze: Earned 10,000 credits (13,753)PPS LLR Bronze: Earned 10,000 credits (40,167)PSP LLR Bronze: Earned 10,000 credits (12,375)SoB LLR Bronze: Earned 10,000 credits (26,000)SGS LLR Bronze: Earned 10,000 credits (24,529)TRP LLR Bronze: Earned 10,000 credits (41,574)Woodall LLR Bronze: Earned 10,000 credits (51,788)321 Sieve Bronze: Earned 10,000 credits (20,061)Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (20,233)PPS Sieve Amethyst: Earned 1,000,000 credits (1,690,463)TRP Sieve (suspended) Bronze: Earned 10,000 credits (24,040)PSA Ruby: Earned 2,000,000 credits (3,424,950)
Message 29601 - Posted: 18 Dec 2010 | 23:48:16 UTC

I have a HD 4350 and it is taking about 8 hours per WU - what is going on - do I ahve to change any setting to speed it up?

Profile STE\/EProject donor
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321 LLR Ruby: Earned 2,000,000 credits (2,808,633)Cullen LLR Ruby: Earned 2,000,000 credits (2,730,321)ESP LLR Ruby: Earned 2,000,000 credits (2,428,396)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,095,308)PPS LLR Jade: Earned 10,000,000 credits (11,028,513)PSP LLR Turquoise: Earned 5,000,000 credits (6,083,688)SoB LLR Turquoise: Earned 5,000,000 credits (5,040,546)SR5 LLR Turquoise: Earned 5,000,000 credits (7,996,544)SGS LLR Ruby: Earned 2,000,000 credits (2,628,120)TPS LLR (retired) Bronze: Earned 10,000 credits (16,826)TRP LLR Ruby: Earned 2,000,000 credits (2,806,733)Woodall LLR Ruby: Earned 2,000,000 credits (2,879,238)321 Sieve Jade: Earned 10,000,000 credits (10,254,301)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,122,087)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,201,941)PPS Sieve Double Ruby: Earned 2,000,000,000 credits (3,422,883,927)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,229,912)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,682,623)AP 26/27 Ruby: Earned 2,000,000 credits (2,423,801)GFN Emerald: Earned 50,000,000 credits (51,882,174)PSA Emerald: Earned 50,000,000 credits (61,992,528)
Message 29609 - Posted: 19 Dec 2010 | 0:18:08 UTC - in response to Message 29563.

Hello everyone,

I would like to know why my HD6970 is crunching a PPS unit during 26 minutes when a GTX 580 is only crunching on 5 minutes :(

Thanks !

I wouldn't worry so much about a nVidia card being faster than your ATI, that's how it is here at Primegrid. I would worry more about why is your card only half as fast as my 5870, which takes around 875s for a WU (at the moment I don't have any results to show, as I ran my caches dry for the challenge, but when it starts, check here). You will see 2 different run times, the longer, of around 2450s are from a 4870.
BR


Could be your running 1 at a time while he's running 2 at a time. his times seem about right for 2 at a time as their a little faster than my 5870's running 2 at a time ...

____________

Profile rroonnaallddProject donor
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Joined: 3 Jul 09
Posts: 1213
ID: 42893
Credit: 34,634,263
RAC: 0
321 LLR Silver: Earned 100,000 credits (101,692)Cullen LLR Silver: Earned 100,000 credits (104,876)ESP LLR Silver: Earned 100,000 credits (101,979)PPS LLR Silver: Earned 100,000 credits (148,018)PSP LLR Silver: Earned 100,000 credits (140,441)SoB LLR Silver: Earned 100,000 credits (119,475)SR5 LLR Silver: Earned 100,000 credits (120,939)SGS LLR Silver: Earned 100,000 credits (122,783)TRP LLR Silver: Earned 100,000 credits (100,115)Woodall LLR Silver: Earned 100,000 credits (107,459)321 Sieve Silver: Earned 100,000 credits (202,757)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (6,908,135)PPS Sieve Sapphire: Earned 20,000,000 credits (25,450,104)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (130,966)TRP Sieve (suspended) Silver: Earned 100,000 credits (201,525)AP 26/27 Silver: Earned 100,000 credits (100,015)GFN Silver: Earned 100,000 credits (246,369)PSA Silver: Earned 100,000 credits (226,594)
Message 29610 - Posted: 19 Dec 2010 | 0:18:59 UTC - in response to Message 29601.

I have a HD 4350 and it is taking about 8 hours per WU - what is going on - do I ahve to change any setting to speed it up?

No, you can't do anything. OpenCL is not the fastest.
If you would let run the OpenCL-app on a nvidia-card, you see the same losing in performance...
____________
Best wishes. Knowledge is power. by jjwhalen

IndianaXProject donor
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321 Sieve Gold: Earned 500,000 credits (751,516)PPS Sieve Jade: Earned 10,000,000 credits (19,799,454)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Bronze: Earned 10,000 credits (25,130)AP 26/27 Bronze: Earned 10,000 credits (19,054)GFN Bronze: Earned 10,000 credits (62,737)
Message 29673 - Posted: 20 Dec 2010 | 8:24:14 UTC

With an ATI double-precision Card I would crunch Milkyway@Home, there App is optimized for ATI.
____________
Have a N.I.C.E. day!

Message boards : Proth Prime Search : 26 minutes for a HD6970 ?

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