Add per request sampling support. #195
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qihqi
approved these changes
Oct 23, 2024
FanhaiLu1
approved these changes
Oct 29, 2024
| def _weighted_sampling(self, logits, rng, temperature): | ||
| return jax.random.categorical(rng, logits / temperature) | ||
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| def _nucleus_sampling(self, logits, rng, temperature, nucleus_topp): |
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Should we replace 'nucleus sampling' with 'top-p sampling'? The latter is easier to understand because the name clearly refers the top p.
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Supports sampling from request. When user set sampling_algorithm to '', each request can send the sampler config which contains algorithm, temperature, topk, nucleus to enable different sampling strategy. We don't have a good way to support random user provided sampling function yet due to the limitation of Jit compilation.
There will be a coming PR to enable it from JetStream side for the e2e workflow to work.