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Message boards : Wieferich and Wall-Sun-Sun Prime Search : two different 750ti run times/utilization

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MindCrime
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Joined: 5 Apr 14
Posts: 3
ID: 306904
Credit: 216,358,526
RAC: 210,732
321 LLR Silver: Earned 100,000 credits (107,473)Cullen LLR Bronze: Earned 10,000 credits (55,628)ESP LLR Bronze: Earned 10,000 credits (88,967)PPS LLR Bronze: Earned 10,000 credits (93,127)PSP LLR Bronze: Earned 10,000 credits (54,663)SR5 LLR Bronze: Earned 10,000 credits (80,764)SGS LLR Bronze: Earned 10,000 credits (25,824)TRP LLR Bronze: Earned 10,000 credits (44,009)Woodall LLR Bronze: Earned 10,000 credits (11,175)PPS Sieve Double Bronze: Earned 100,000,000 credits (199,444,336)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Bronze: Earned 10,000 credits (40,679)TRP Sieve (suspended) Bronze: Earned 10,000 credits (53,223)AP 26/27 Ruby: Earned 2,000,000 credits (2,304,510)GFN Turquoise: Earned 5,000,000 credits (6,593,050)WW Turquoise: Earned 5,000,000 credits (7,308,000)PSA Bronze: Earned 10,000 credits (53,100)
Message 149724 - Posted: 28 Mar 2021 | 21:18:04 UTC

I have two different 750tis running WW. I have one at home on win 7 that runs WW wus in about 9000 seconds (minimal cpu usage). I have one at my parent's, win 10, (staying here watching pets) that takes about 12,000 seconds (minimal cpu usage). I thought it might be a driver thing so I updated the driver on this one. i haven't seen one run through yet but before and after the driver update it was using about 75% of the gpu. I can't confirm the other one at home's usage but I'm confident it's near fully loaded, and that's why it beats it by about 25%

Parent's computer with 12k sec runtime: https://www.primegrid.com/show_host_detail.php?hostid=927554

Home computer with 9k sec runtime: https://www.primegrid.com/show_host_detail.php?hostid=525415

I see in the past that some win 7 machines were running slower but this is the opposite for me.
I reduced CPU tasks to see if it was a bottleneck and that doesn't seem to effect run times. Should I try to track down the driver the other is using?

Profile Rick Reynolds
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Joined: 13 Aug 10
Posts: 8159
ID: 65483
Credit: 6,713,024,615
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Discovered 3 mega primesFound 2 primes in the 2018 Tour de PrimesFound 2 primes in the 2019 Tour de PrimesFound 12 primes in the 2020 Tour de PrimesFound 2 primes in the 2021 Tour de PrimesFound 1 mega prime in the 2021 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (10,244,909)Cullen LLR Jade: Earned 10,000,000 credits (10,194,451)ESP LLR Jade: Earned 10,000,000 credits (10,735,017)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,216,354)PPS LLR Emerald: Earned 50,000,000 credits (73,178,392)PSP LLR Turquoise: Earned 5,000,000 credits (5,151,448)SoB LLR Jade: Earned 10,000,000 credits (10,045,557)SR5 LLR Jade: Earned 10,000,000 credits (14,871,275)SGS LLR Turquoise: Earned 5,000,000 credits (7,860,522)TRP LLR Jade: Earned 10,000,000 credits (11,130,742)Woodall LLR Turquoise: Earned 5,000,000 credits (5,419,909)321 Sieve (suspended) Double Bronze: Earned 100,000,000 credits (101,538,236)Cullen/Woodall Sieve (suspended) Double Bronze: Earned 100,000,000 credits (127,922,665)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (30,984,158)PPS Sieve Double Ruby: Earned 2,000,000,000 credits (2,840,173,136)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Turquoise: Earned 5,000,000 credits (8,134,964)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (7,013,696)AP 26/27 Double Silver: Earned 200,000,000 credits (276,723,135)GFN Double Silver: Earned 200,000,000 credits (349,277,565)WW Double Amethyst: Earned 1,000,000,000 credits (1,431,508,000)PSA Double Amethyst: Earned 1,000,000,000 credits (1,370,700,486)
Message 149728 - Posted: 28 Mar 2021 | 23:49:41 UTC

Not looking at your systems it’s possible one is being throttled due to high temps. I had one I cleaned that was doing the same thing. I use msi afterburner to look at the settings and set it to adjust the fan speeds and limits. Just a thought as you may already do that. Air flow is important and so is ambient temps around the pc.

Cheers

MindCrime
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Joined: 5 Apr 14
Posts: 3
ID: 306904
Credit: 216,358,526
RAC: 210,732
321 LLR Silver: Earned 100,000 credits (107,473)Cullen LLR Bronze: Earned 10,000 credits (55,628)ESP LLR Bronze: Earned 10,000 credits (88,967)PPS LLR Bronze: Earned 10,000 credits (93,127)PSP LLR Bronze: Earned 10,000 credits (54,663)SR5 LLR Bronze: Earned 10,000 credits (80,764)SGS LLR Bronze: Earned 10,000 credits (25,824)TRP LLR Bronze: Earned 10,000 credits (44,009)Woodall LLR Bronze: Earned 10,000 credits (11,175)PPS Sieve Double Bronze: Earned 100,000,000 credits (199,444,336)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Bronze: Earned 10,000 credits (40,679)TRP Sieve (suspended) Bronze: Earned 10,000 credits (53,223)AP 26/27 Ruby: Earned 2,000,000 credits (2,304,510)GFN Turquoise: Earned 5,000,000 credits (6,593,050)WW Turquoise: Earned 5,000,000 credits (7,308,000)PSA Bronze: Earned 10,000 credits (53,100)
Message 149729 - Posted: 29 Mar 2021 | 0:17:33 UTC - in response to Message 149728.
Last modified: 29 Mar 2021 | 0:20:49 UTC

Not looking at your systems it’s possible one is being throttled due to high temps. I had one I cleaned that was doing the same thing. I use msi afterburner to look at the settings and set it to adjust the fan speeds and limits. Just a thought as you may already do that. Air flow is important and so is ambient temps around the pc.

Cheers



the slow one is running around 38-42c, the one completing them in 9k sec is at 50c. it's not a temp issue.

One thing i need to check is if there's a power limit on the slow one. Maybe it's pcie slot powered only, and the other has PSU power, can't remember.

MindCrime
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Joined: 5 Apr 14
Posts: 3
ID: 306904
Credit: 216,358,526
RAC: 210,732
321 LLR Silver: Earned 100,000 credits (107,473)Cullen LLR Bronze: Earned 10,000 credits (55,628)ESP LLR Bronze: Earned 10,000 credits (88,967)PPS LLR Bronze: Earned 10,000 credits (93,127)PSP LLR Bronze: Earned 10,000 credits (54,663)SR5 LLR Bronze: Earned 10,000 credits (80,764)SGS LLR Bronze: Earned 10,000 credits (25,824)TRP LLR Bronze: Earned 10,000 credits (44,009)Woodall LLR Bronze: Earned 10,000 credits (11,175)PPS Sieve Double Bronze: Earned 100,000,000 credits (199,444,336)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Bronze: Earned 10,000 credits (40,679)TRP Sieve (suspended) Bronze: Earned 10,000 credits (53,223)AP 26/27 Ruby: Earned 2,000,000 credits (2,304,510)GFN Turquoise: Earned 5,000,000 credits (6,593,050)WW Turquoise: Earned 5,000,000 credits (7,308,000)PSA Bronze: Earned 10,000 credits (53,100)
Message 149730 - Posted: 29 Mar 2021 | 4:51:46 UTC - in response to Message 149729.
Last modified: 29 Mar 2021 | 5:36:44 UTC

Not looking at your systems it’s possible one is being throttled due to high temps. I had one I cleaned that was doing the same thing. I use msi afterburner to look at the settings and set it to adjust the fan speeds and limits. Just a thought as you may already do that. Air flow is important and so is ambient temps around the pc.

Cheers



the slow one is running around 38-42c, the one completing them in 9k sec is at 50c. it's not a temp issue.

One thing i need to check is if there's a power limit on the slow one. Maybe it's pcie slot powered only, and the other has PSU power, can't remember.



correction it's 50c and 60c slow and fast respectively.
Slow one GPUz sensor numbers:
gpu clock 1175mhz
mem 1350mhz
load 74-78%
board power draw 33-35watts
"power consumption" bounces between 35-65% tdp
"perfcap reason" VOp <--- anyone familiar with this gpuz sensor output on an nvidia card?

fast 750ti gpuz
1293-1306mhz
1350mhz
63c
load 98-99%
power consumption 97% tdp
PerfCap Reason: Pwr/Vop - Pwr either usually former.

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Joined: 16 Feb 10
Posts: 1049
ID: 55391
Credit: 903,611,927
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Discovered 2 mega primesFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2022 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (6,055,323)Cullen LLR Gold: Earned 500,000 credits (776,297)ESP LLR Ruby: Earned 2,000,000 credits (3,433,680)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,443,837)PPS LLR Sapphire: Earned 20,000,000 credits (37,469,219)PSP LLR Turquoise: Earned 5,000,000 credits (6,587,988)SoB LLR Sapphire: Earned 20,000,000 credits (45,081,394)SR5 LLR Turquoise: Earned 5,000,000 credits (6,205,694)SGS LLR Ruby: Earned 2,000,000 credits (3,627,819)TRP LLR Turquoise: Earned 5,000,000 credits (7,549,201)Woodall LLR Amethyst: Earned 1,000,000 credits (1,720,974)321 Sieve (suspended) Emerald: Earned 50,000,000 credits (50,256,050)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,571,178)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,009,610)PPS Sieve Double Silver: Earned 200,000,000 credits (463,452,443)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,165,888)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,071,454)AP 26/27 Turquoise: Earned 5,000,000 credits (6,798,063)GFN Emerald: Earned 50,000,000 credits (57,113,430)WW Jade: Earned 10,000,000 credits (16,472,000)PSA Double Bronze: Earned 100,000,000 credits (102,762,384)
Message 149731 - Posted: 29 Mar 2021 | 7:23:16 UTC - in response to Message 149730.

"perfcap reason" VOp <--- anyone familiar with this gpuz sensor output on an nvidia card?

Performance is being capped by the upper limit on operating voltage.

Message boards : Wieferich and Wall-Sun-Sun Prime Search : two different 750ti run times/utilization

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