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AVX2 is dimwitted compared to AVX512

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**mocore**:

*puts ML hat on* ::)

older gpu/hw fails to solve mathematical riddles ...

https://github.com/google/gemma.cpp/issues/23

--- Quote ---On a $10,000 AMD Ryzen 7995WX (znver4 avx512) Gemma 7b instruct sfp is able to solve mathematical riddles.

--- End quote ---

:P

**Rich**:

Hi mocore

--- Quote from: mocore on February 25, 2024, 06:45:22 AM --- ... older gpu/hw fails to solve mathematical riddles ...

https://github.com/google/gemma.cpp/issues/23 ...

--- End quote ---

I'll admit a lot of the stuff they were talking about was over my head, but

to me it appeared the second machine was treating this as a linear problem

instead of an exponential one.

Exponential (volume doubles each day):

Algae growth rate = StartQuantity * ( 2 ^ Days )

Days to fill reservoir = 30

Days to fill half reservoir = 29

Linear (volume increases by equal amount each day):

Algae growth rate = StartQuantity * Days

Days to fill reservoir = 30

Days to fill half reservoir = 15

Of course it still could have been a subtle math error and the fact

that it answered 15 was just a coincidence.

**mocore**:

hi rich

--- Quote from: Rich on February 25, 2024, 10:00:51 AM ---

to me it appeared the second machine was treating this as a linear problem

instead of an exponential one.

--- End quote ---

interesting to hear you perspective on this

... it appears you where paying attention in math class and have reattained the numeric reflex's

of course ;) *

--- Quote from: Rich on February 25, 2024, 10:00:51 AM ---

Of course it still could have been a subtle math error and the fact

that it answered 15 was just a coincidence.

--- End quote ---

... many potential methods to get to the correct answer , (presumably?) even more for less correct ones

which reminds me of count down

https://www.youtube.com/watch?v=Lbhxv5QPErM

much ( :o if not all lol ) of the details are likely way over my head also

...however wrt the (*wonders* of modern hardware ) hw

https://en.wikipedia.org/wiki/Advanced_Vector_Extensions

--- Quote ---Downclocking

Since AVX instructions are wider and generate more heat, some Intel processors have provisions to reduce the Turbo Boost frequency limit when such instructions are being executed.

--- End quote ---

???

https://en.wikipedia.org/wiki/Single_instruction,_multiple_data

https://en.wikipedia.org/wiki/Flynn's_taxonomy

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