Ollama

github.com/jmorganca/ollama

Ollama is a highly automated open source wrapper that makes it very easy to run multiple Open weight LLM models either on CPU or GPU.

Its README alone is of great value, serving as a fantastic list of the most popular Open weight LLM models in existence.

Install with:

curl https://ollama.ai/install.sh | sh

The below was tested on Ollama 0.1.14 from December 2013.

Download llama2 7B and open a prompt:

ollama run llama2

On P14s it runs on CPU and generates a few tokens per second, which is quite usable for a quick interactive play.

As mentioned at github.com/jmorganca/ollama/blob/0174665d0e7dcdd8c60390ab2dd07155ef84eb3f/docs/faq.md the downloads to under /usr/share/ollama/.ollama/models/ and ncdu tells me:

--- /usr/share/ollama ----------------------------------
    3.6 GiB [###########################] /.ollama
    4.0 KiB [                           ]  .bashrc
    4.0 KiB [                           ]  .profile
    4.0 KiB [                           ]  .bash_logout

We can also do it non-interactively with:

/bin/time ollama run llama2 'What is quantum field theory?'

which gave me:

0.13user 0.17system 2:06.32elapsed 0%CPU (0avgtext+0avgdata 17280maxresident)k
0inputs+0outputs (0major+2203minor)pagefaults 0swaps

but note that there is a random seed that affects each run by default. This was apparently fixed however: github.com/ollama/ollama/issues/2773, but Ciro Santilli doesn't know how to set the seed.

Some other quick benchmarks from Amazon EC2 GPU on a g4nd.xlarge instance which had an Nvidia Tesla T4:

0.07user 0.05system 0:16.91elapsed 0%CPU (0avgtext+0avgdata 16896maxresident)k
0inputs+0outputs (0major+1960minor)pagefaults 0swaps

and on Nvidia A10G in an g5.xlarge instance:

0.03user 0.05system 0:09.59elapsed 0%CPU (0avgtext+0avgdata 17312maxresident)k
8inputs+0outputs (1major+1934minor)pagefaults 0swaps

So it's not too bad, a small article in 10s.

It tends to babble quite a lot by default, but eventually decides to stop.

TODO is it possible to make it deterministic on the CLI? There is a "seed" parameter somewhere: github.com/jmorganca/ollama/blob/31f0551dab9a10412ec6af804445e02a70a25fc2/docs/modelfile.md#parameter

Ollama

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