Update:

After I was done testing but with out changing to native M1 for the plotter I have committed to a 24hr plot on the Macs and PC.

M1 is approaching 16 plots for 24 hours

i5 PC also 16 plots for 24 hours

i7 Mini is approaching 19 plots for 24 hours

Even If I don't go back and change anything I will be getting about 50 plots a day on 3 PCs collectively.

Also observation to note:
Total plot creation time was 5370.95 sec
Started copy to /volumes/fons/chia/plot-k32-2021-06-13-12-26-fb1912f------------------------------------------------------------------18775.plot
Process ID: -1
Number of Threads: 20
Number of Buckets: 2^7 (128)
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-
Working Directory:  /volumes/512/
Working Directory 2: /volumes/512/
Plot Name: plot-k32-2021-06-13-13-55-3f32a509------------------------------------------------------------------d663
[P1] Table 1 took 64.4518 sec
[P1] Table 2 took 434.643 sec, found 4294896816 matches
Copy to /volumes/fons/chia/plot-k32-2021-06-13-12-26-fb1912f23f------------------------------------------------------------------ac8618775.plot finished, took 943.627 sec, 109.975 MB/s avg.
[P1] Table 3 took 482.651 sec, found 4294830742 matches
[P1] Table 4 took 517.117 sec, found 4294713420 matches

The plotter is efficient enough that it will start another if there is space and work on copying the previously completed plot and advise you when it is done while plotting the current one.

I'm sure this leads to latency and extending plot times but is great for those who don't care and have a slower destination drive.

I Amy see if I can throw I a SSD to store while syncing to the main farmer on the network witch is am older i5 Mac mini.

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Original post below:

The following is my experience using this plotter on a few Macs and a couple of PCs for reference.

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I was able to build on an i7 and then copy over to an M1. Rosetta penalty is about 1.58 times plotting time increase.

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My i7 can do a plot in 4064sec

The M1 using rosetta, 6441sec

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Granted 6441 is way better than 16560 - 20808 sec on a single plot. Even in rosetta you can now get around 3 plots in the time just 1 single plot using default plotter.

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I expect the plot time to drop on native M1 to 3251 sec.

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On a side not I have found a loose correlation between passmark scoring and the amount of plot a CPU can give you using this plotter. Basically percentage differences between passmark scores can translate to how many plots in 24 hours one can get as long as you have reference score/plot time to start with.

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I had the 8400, 2x2620v2, 8700B and the M1. A bit of rounded number, percentages and a little fuzzy math and the plot count is accurate 2- in either direction (build ram and default setting variations along with the PC being used in other tasks can affect this,

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All in all I can get about 46 plots I can complete between 2 Macs and a PC not including my Dell T620.