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[GH-ISSUE #391] Min device that llama 70b require? #178

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opened 2026-04-12 09:42:28 -05:00 by GiteaMirror · 3 comments
GiteaMirror commented 2026-04-12 09:42:28 -05:00
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Originally created by @SaraiQX on GitHub (Aug 22, 2023).
Original GitHub issue: https://github.com/ollama/ollama/issues/391

Love Ollama which made my intel mac can run llama 7b 😄.
Just wonder what kind of mac device are required to run llama 2 70B?
Will M2 ultra with 64G vRam be satisfying? Thx.

Originally created by @SaraiQX on GitHub (Aug 22, 2023). Original GitHub issue: https://github.com/ollama/ollama/issues/391 Love Ollama which made my intel mac can run llama 7b 😄. Just wonder what kind of mac device are required to run llama 2 70B? Will M2 ultra with 64G vRam be satisfying? Thx.
GiteaMirror added the documentation label 2026-04-12 09:42:28 -05:00
GiteaMirror commented 2026-04-12 09:42:29 -05:00
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@technovangelist commented on GitHub (Aug 22, 2023):

I have a m1 max with 64G and llama2 70b works....but its not a great experience. Your use case has to allow for slower responses from a model like that on that kind of hardware... I just asked 'why is the sky blue' and it took 2 minutes to complete with just shy of 7 tokens/sec. You will get a little better performance but its not going to be like 7b. And depending on what you are doing, 7b may be good enough.

<!-- gh-comment-id:1687254407 --> @technovangelist commented on GitHub (Aug 22, 2023): I have a m1 max with 64G and llama2 70b works....but its not a great experience. Your use case has to allow for slower responses from a model like that on that kind of hardware... I just asked 'why is the sky blue' and it took 2 minutes to complete with just shy of 7 tokens/sec. You will get a little better performance but its not going to be like 7b. And depending on what you are doing, 7b may be good enough.
GiteaMirror commented 2026-04-12 09:42:29 -05:00
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@technovangelist commented on GitHub (Aug 22, 2023):

❯ ollama run llama2:70b
>>> /set verbose
>>> why is the sky blue

The sky appears blue because of a phenomenon called Rayleigh scattering. When sunlight enters Earth's atmosphere, it encounters tiny molecules of gases such as nitrogen and oxygen. These molecules scatter the light in all directions, but they scatter shorter (blue) wavelengths more than longer (red) wavelengths. This is known as Rayleigh scattering.

As a result of this scattering, the blue light is dispersed throughout the atmosphere, making the sky appear blue to our eyes. The color we see is a result of the combined scattering of all the blue light particles that are present in the atmosphere.

It's also worth noting that the color of the sky can change depending on the time of day and atmospheric conditions. For example, during sunrise and sunset, the sky can take on hues of red, orange, and pink, due to the scattering of light by particles in the atmosphere.

I hope this helps you understand why the sky appears blue! Is there anything else you'd like to know?

total duration:       2m5.245459875s
load duration:        58.801118084s
sample count:         236 token(s)
sample duration:      172.296ms
sample rate:          1369.74 tokens/s
prompt eval count:    156 token(s)
prompt eval duration: 32.558834s
prompt eval rate:     4.79 tokens/s
eval count:           235 token(s)
eval duration:        33.693248s
eval rate:            6.97 tokens/s
<!-- gh-comment-id:1687255566 --> @technovangelist commented on GitHub (Aug 22, 2023): ``` ❯ ollama run llama2:70b >>> /set verbose >>> why is the sky blue The sky appears blue because of a phenomenon called Rayleigh scattering. When sunlight enters Earth's atmosphere, it encounters tiny molecules of gases such as nitrogen and oxygen. These molecules scatter the light in all directions, but they scatter shorter (blue) wavelengths more than longer (red) wavelengths. This is known as Rayleigh scattering. As a result of this scattering, the blue light is dispersed throughout the atmosphere, making the sky appear blue to our eyes. The color we see is a result of the combined scattering of all the blue light particles that are present in the atmosphere. It's also worth noting that the color of the sky can change depending on the time of day and atmospheric conditions. For example, during sunrise and sunset, the sky can take on hues of red, orange, and pink, due to the scattering of light by particles in the atmosphere. I hope this helps you understand why the sky appears blue! Is there anything else you'd like to know? total duration: 2m5.245459875s load duration: 58.801118084s sample count: 236 token(s) sample duration: 172.296ms sample rate: 1369.74 tokens/s prompt eval count: 156 token(s) prompt eval duration: 32.558834s prompt eval rate: 4.79 tokens/s eval count: 235 token(s) eval duration: 33.693248s eval rate: 6.97 tokens/s ```
GiteaMirror commented 2026-04-12 09:42:30 -05:00
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@mchiang0610 commented on GitHub (Aug 22, 2023):

Closing this issue. If more information is needed, please feel free to open the issue again or create a new one.

Thank you so much! Have an awesome day.

<!-- gh-comment-id:1687256861 --> @mchiang0610 commented on GitHub (Aug 22, 2023): Closing this issue. If more information is needed, please feel free to open the issue again or create a new one. Thank you so much! Have an awesome day.
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