Primegrid Challenge Series 2026

Next challenge of the year. This one is the PPSE sub project. These tasks need between 1.5MB and 2MB of L3 cache. Which means most all modern CPUs can run these single threaded on physical cores only. Verify your CPU has the L3 to handle it though.

It's a fast sub project with task completion times around 30 minutes, this it's only a 3-day short challenge.

We're currently in second place. https://www.primegrid.com/challenge/2026_5/top_teams.html

Tutorial on how to join Primegrid and the team can be found here. https://forums.thefpsreview.com/threads/joining-primegrid.19250/

Let's take home our third straight victory here guys. Throw what ya can on it. It's just 3 days long.
 
Still in second place. The team in first place is slowly pulling away from us.

If anyone wants to help out, wouldn't take much to close the gap. A single 7950X, for example, can do a little over 250k points per day on it and we're currently around 685k points behind them.
 
Thanks for joining in. We barely broke 1st place now. Keep them coming, little over 1 and a half days to go.
 
A few team members found some primes during this challenge.

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Don't think I've missed anyone. If so, my bad. Let me know and I'll go look for it. Still 4 hours to go.

We're currently in first place.

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Team finished first. Nice job everyone!

This should be the final standings; doubt many PPSE tasks will return invalid.

Code: 
Team   Name           Points      Overall
  1    Skillz         15,984,675      3
  2    cellarnoise2   11,920,466      7
  3    w a h           3,435,864     23
  4    biodoc          2,984,959     27
  5    mmonnin         2,290,593     38
  6    Orange Kid      2,046,021     41
  7    Icecold         2,032,112     42
  8    Werinbert       1,256,492     66
  9    Schro           1,110,091     74
 10    Pokey             652,345    103
 11    DROFFUNGUS        483,852    120


Code: 
Rank  Team                   Points      Tasks
  1   The FPS Team       44,197,471    474,449
  2   BOINC@AUSTRALIA    40,522,077    392,768
  3   Czech National Team 37,175,570   397,025
  4   SETI.Germany       29,464,692    415,047
  5   Antarctic Crunchers 25,306,645   276,170
  6   TeAm AnandTech     21,399,418    261,047
  7   Romania            20,822,126    210,167
  8   Aggie The Pew      16,651,618    241,833
  9   BOINC@Poland       15,852,143    513,842
 10   Ukraine            12,852,936    116,058
 
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