Black formatting
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c784d83131
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7786edb0f9
4 changed files with 17 additions and 3 deletions
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@ -60,7 +60,11 @@ class Llama:
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stop = [s.encode("utf-8") for s in stop]
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prompt_tokens = llama_cpp.llama_tokenize(
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self.ctx, prompt.encode("utf-8"), self.tokens, llama_cpp.llama_n_ctx(self.ctx), True
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self.ctx,
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prompt.encode("utf-8"),
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self.tokens,
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llama_cpp.llama_n_ctx(self.ctx),
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True,
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)
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if prompt_tokens + max_tokens > self.params.n_ctx:
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@ -67,6 +67,7 @@ def llama_context_default_params() -> llama_context_params:
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lib.llama_context_default_params.argtypes = []
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lib.llama_context_default_params.restype = llama_context_params
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# Various functions for loading a ggml llama model.
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# Allocate (almost) all memory needed for the model.
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# Return NULL on failure
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@ -79,6 +80,7 @@ def llama_init_from_file(
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lib.llama_init_from_file.argtypes = [c_char_p, llama_context_params]
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lib.llama_init_from_file.restype = llama_context_p
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# Frees all allocated memory
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def llama_free(ctx: llama_context_p):
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lib.llama_free(ctx)
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@ -87,6 +89,7 @@ def llama_free(ctx: llama_context_p):
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lib.llama_free.argtypes = [llama_context_p]
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lib.llama_free.restype = None
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# TODO: not great API - very likely to change
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# Returns 0 on success
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def llama_model_quantize(
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@ -98,6 +101,7 @@ def llama_model_quantize(
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lib.llama_model_quantize.argtypes = [c_char_p, c_char_p, c_int, c_int]
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lib.llama_model_quantize.restype = c_int
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# Run the llama inference to obtain the logits and probabilities for the next token.
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# tokens + n_tokens is the provided batch of new tokens to process
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# n_past is the number of tokens to use from previous eval calls
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@ -155,6 +159,7 @@ def llama_n_ctx(ctx: llama_context_p) -> c_int:
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lib.llama_n_ctx.argtypes = [llama_context_p]
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lib.llama_n_ctx.restype = c_int
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# Token logits obtained from the last call to llama_eval()
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# The logits for the last token are stored in the last row
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# Can be mutated in order to change the probabilities of the next token
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@ -167,14 +172,17 @@ def llama_get_logits(ctx: llama_context_p):
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lib.llama_get_logits.argtypes = [llama_context_p]
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lib.llama_get_logits.restype = POINTER(c_float)
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# Get the embeddings for the input
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# shape: [n_embd] (1-dimensional)
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def llama_get_embeddings(ctx: llama_context_p):
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return lib.llama_get_embeddings(ctx)
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lib.llama_get_embeddings.argtypes = [llama_context_p]
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lib.llama_get_embeddings.restype = POINTER(c_float)
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# Token Id -> String. Uses the vocabulary in the provided context
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def llama_token_to_str(ctx: llama_context_p, token: int) -> bytes:
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return lib.llama_token_to_str(ctx, token)
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@ -185,6 +193,7 @@ lib.llama_token_to_str.restype = c_char_p
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# Special tokens
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def llama_token_bos() -> llama_token:
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return lib.llama_token_bos()
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@ -230,6 +239,7 @@ lib.llama_sample_top_p_top_k.restype = llama_token
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# Performance information
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def llama_print_timings(ctx: llama_context_p):
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lib.llama_print_timings(ctx)
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2
setup.py
2
setup.py
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@ -7,5 +7,5 @@ setup(
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author="Andrei Betlen",
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author_email="abetlen@gmail.com",
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license="MIT",
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packages=["llama_cpp"]
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packages=["llama_cpp"],
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)
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