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KoboldAI-Client
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Implement support for sampler order in the backend code

This commit is contained in:
Gnome Ann 2022-06-13 19:12:23 -04:00
parent a273a5ebc4
commit 2d3db7b4ba
3 changed files with 48 additions and 27 deletions
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27
aiserver.py
View File

@ -306,6 +306,7 @@ class vars:
acregex_ui = re.compile(r'^ *(>.*)$', re.MULTILINE) # Pattern for matching actions in the HTML-escaped story so we can apply colouring, etc (make sure to encase part to format in parentheses)
comregex_ai = re.compile(r'(?:\n<\|(?:.|\n)*?\|>(?=\n|$))|(?:<\|(?:.|\n)*?\|>\n?)') # Pattern for matching comments to remove them before sending them to the AI
comregex_ui = re.compile(r'(&lt;\|(?:.|\n)*?\|&gt;)') # Pattern for matching comments in the editor
sampler_order = utils.default_sampler_order.copy()
chatmode = False
chatname = "You"
adventure = False
@ -1448,15 +1449,23 @@ if(not vars.use_colab_tpu and vars.model not in ["InferKit", "Colab", "OAI", "Go
new_get_logits_processor.old_get_logits_processor = transformers.generation_utils.GenerationMixin._get_logits_processor
transformers.generation_utils.GenerationMixin._get_logits_processor = new_get_logits_processor
class KoboldLogitsWarperList(LogitsProcessorList):
def __init__(self, beams: int = 1, **kwargs):
self.__warper_list: List[LogitsWarper] = []
self.__warper_list.append(TopKLogitsWarper(top_k=1, min_tokens_to_keep=1 + (beams > 1)))
self.__warper_list.append(TopALogitsWarper(top_a=0.5, min_tokens_to_keep=1 + (beams > 1)))
self.__warper_list.append(TopPLogitsWarper(top_p=0.5, min_tokens_to_keep=1 + (beams > 1)))
self.__warper_list.append(TailFreeLogitsWarper(tfs=0.5, min_tokens_to_keep=1 + (beams > 1)))
self.__warper_list.append(TypicalLogitsWarper(typical=0.5, min_tokens_to_keep=1 + (beams > 1)))
self.__warper_list.append(TemperatureLogitsWarper(temperature=0.5))
def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor, *args, **kwargs):
for k in vars.sampler_order:
scores = self.__warper_list[k](input_ids, scores, *args, **kwargs)
return scores
def new_get_logits_warper(beams: int = 1,) -> LogitsProcessorList:
warper_list = LogitsProcessorList()
warper_list.append(TopKLogitsWarper(top_k=1, min_tokens_to_keep=1 + (beams > 1)))
warper_list.append(TopALogitsWarper(top_a=0.5, min_tokens_to_keep=1 + (beams > 1)))
warper_list.append(TopPLogitsWarper(top_p=0.5, min_tokens_to_keep=1 + (beams > 1)))
warper_list.append(TailFreeLogitsWarper(tfs=0.5, min_tokens_to_keep=1 + (beams > 1)))
warper_list.append(TypicalLogitsWarper(typical=0.5, min_tokens_to_keep=1 + (beams > 1)))
warper_list.append(TemperatureLogitsWarper(temperature=0.5))
return warper_list
return KoboldLogitsWarperList(beams=beams)
def new_sample(self, *args, **kwargs):
assert kwargs.pop("logits_warper", None) is not None
@ -1816,6 +1825,7 @@ else:
def tpumtjgenerate_settings_callback() -> dict:
return {
"sampler_order": vars.sampler_order,
"top_p": float(vars.top_p),
"temp": float(vars.temp),
"top_k": int(vars.top_k),
@ -3910,6 +3920,7 @@ def tpumtjgenerate(txt, minimum, maximum, found_entries=None):
rprange=vars.rep_pen_range,
soft_embeddings=vars.sp,
soft_tokens=soft_tokens,
sampler_order=vars.sampler_order,
)
past = genout
for i in range(vars.numseqs):

46
tpu_mtj_backend.py
View File

@ -65,6 +65,7 @@ def stopping_callback(generated, n_generated, excluded_world_info) -> Tuple[List
def settings_callback() -> dict:
return {
"sampler_order": utils.default_sampler_order.copy(),
"top_p": 0.9,
"temp": 0.5,
"top_k": 0,
@ -159,7 +160,7 @@ def apply_repetition_penalty_dynamic(logits, tokens, repetition_penalty, generat
logits[tokens] = penalty_logits
return logits
def kobold_sample_dynamic(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typical=1.0, top_a=0.0):
def kobold_sample_dynamic(key, logits, sampler_order: Optional[np.ndarray] = None, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typical=1.0, top_a=0.0):
'''
This gets called by generate_loop_fn to apply a series of 6 filters
to the logits (top-k, then top-a, then top-p, then TFS, then typical, then temperature)
@ -181,8 +182,6 @@ def kobold_sample_dynamic(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, ty
sorted_indices_to_remove,
)
return np.where(indices_to_remove, -np.inf, logits)
if top_k > 0:
logits = top_k_filter(logits)
# Top-a (remove all tokens that have softmax probability less than
# a*m^2 where m is the maximum softmax probability)
def top_a_filter(logits):
@ -195,8 +194,6 @@ def kobold_sample_dynamic(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, ty
probs_max = probabilities.max()
# Remove tokens
return np.where(probabilities < probs_max * probs_max * top_a, -np.inf, logits)
if top_a > 0.0:
logits = top_a_filter(logits)
# Top-p (after sorting the remaining tokens again in descending order of
# logit, remove the ones that have cumulative softmax probability
# greater than p)
@ -222,8 +219,6 @@ def kobold_sample_dynamic(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, ty
sorted_indices_to_remove,
)
return np.where(indices_to_remove, -np.inf, logits)
if top_p < 1.0:
logits = top_p_filter(logits)
# Tail free sampling (basically top-p a second time on remaining tokens
# except it's the "cumulative normalized absolute second finite
# differences of the softmax probabilities" instead of just the
@ -262,8 +257,6 @@ def kobold_sample_dynamic(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, ty
sorted_indices_to_remove,
)
return np.where(indices_to_remove, -np.inf, logits)
if tfs < 1.0:
logits = tail_free_filter(logits)
# Typical sampling (https://arxiv.org/pdf/2202.00666.pdf)
def typical_filter(logits):
# Compute softmax probabilities and the natural logarithms of them
@ -293,10 +286,16 @@ def kobold_sample_dynamic(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, ty
sorted_indices_to_remove,
)
return np.where(indices_to_remove, -jnp.inf, logits)
if typical < 1.0:
logits = typical_filter(logits)
# Temperature (just divide the logits by the temperature)
logits /= temp
def temp_filter(logits):
return logits / temp
for k in sampler_order:
if k == 0 and top_k > 0: logits = top_k_filter(logits)
if k == 1 and top_a > 0.0: logits = top_a_filter(logits)
if k == 2 and top_p < 1.0: logits = top_p_filter(logits)
if k == 3 and tfs < 1.0: logits = tail_free_filter(logits)
if k == 4 and typical < 1.0: logits = typical_filter(logits)
if k == 5 and temp != 1.0: logits = temp_filter(logits)
# Finally, pick one token using the softmax thingy again (it gives
# an array whose elements sum to 1 so it can be used nicely as a
# probability distribution)
@ -347,7 +346,7 @@ def apply_repetition_penalty_static(logits, tokens, repetition_penalty, generate
# positions in the logits array
return logits.at[tokens].set(penalty_logits)
def kobold_sample_static(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typical=1.0, top_a=0.0):
def kobold_sample_static(key, logits, sampler_order: Optional[np.ndarray] = None, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typical=1.0, top_a=0.0):
'''
This gets called by generate_loop_fn to apply a series of 6 filters
to the logits (top-k, then top-a, then top-p, then TFS, then typical, then temperature)
@ -369,7 +368,6 @@ def kobold_sample_static(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typ
sorted_indices_to_remove,
)
return jnp.where(indices_to_remove, -jnp.inf, logits)
logits = jax.lax.cond(top_k > 0, top_k_filter, lambda x: x, logits)
# Top-a (remove all tokens that have softmax probability less than
# a*m^2 where m is the maximum softmax probability)
def top_a_filter(logits):
@ -382,7 +380,6 @@ def kobold_sample_static(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typ
probs_max = probabilities.max()
# Remove tokens
return jnp.where(probabilities < probs_max * probs_max * top_a, -jnp.inf, logits)
logits = jax.lax.cond(top_a > 0.0, top_a_filter, lambda x: x, logits)
# Top-p (after sorting the remaining tokens again in descending order of
# logit, remove the ones that have cumulative softmax probability
# greater than p)
@ -408,7 +405,6 @@ def kobold_sample_static(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typ
sorted_indices_to_remove,
)
return jnp.where(indices_to_remove, -jnp.inf, logits)
logits = jax.lax.cond(top_p < 1.0, top_p_filter, lambda x: x, logits)
# Tail free sampling (basically top-p a second time on remaining tokens
# except it's the "cumulative normalized absolute second finite
# differences of the softmax probabilities" instead of just the
@ -447,7 +443,6 @@ def kobold_sample_static(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typ
sorted_indices_to_remove,
)
return jnp.where(indices_to_remove, -jnp.inf, logits)
logits = jax.lax.cond(tfs < 1.0, tail_free_filter, lambda x: x, logits)
# Typical sampling (https://arxiv.org/pdf/2202.00666.pdf)
def typical_filter(logits):
# Compute softmax probabilities and the natural logarithms of them
@ -476,11 +471,16 @@ def kobold_sample_static(key, logits, top_p=0.9, temp=0.5, top_k=0, tfs=1.0, typ
sorted_indices_to_remove,
)
return jnp.where(indices_to_remove, -jnp.inf, logits)
logits = jax.lax.cond(typical < 1.0, typical_filter, lambda x: x, logits)
# Temperature (just divide the logits by the temperature)
def temp_filter(logits):
return logits / temp
logits = jax.lax.cond(True, temp_filter, lambda x: x, logits)
for k in sampler_order:
logits = jax.lax.cond(jnp.logical_and(k == 0, top_k > 0), top_k_filter, lambda x: x, logits)
logits = jax.lax.cond(jnp.logical_and(k == 1, top_a > 0.0), top_a_filter, lambda x: x, logits)
logits = jax.lax.cond(jnp.logical_and(k == 2, top_p < 1.0), top_p_filter, lambda x: x, logits)
logits = jax.lax.cond(jnp.logical_and(k == 3, tfs < 1.0), tail_free_filter, lambda x: x, logits)
logits = jax.lax.cond(jnp.logical_and(k == 4, typical < 1.0), typical_filter, lambda x: x, logits)
logits = jax.lax.cond(jnp.logical_and(k == 5, temp != 1.0), temp_filter, lambda x: x, logits)
# Finally, pick one token using the softmax thingy again (it gives
# an array whose elements sum to 1 so it can be used nicely as a
# probability distribution)
@ -842,8 +842,12 @@ def infer_static(
gen_len=80,
soft_embeddings: Optional[np.array] = None,
soft_tokens: Optional[np.array] = None,
sampler_order: Optional[List[int]] = None,
) -> List[np.array]:
maps.thread_resources.env = thread_resources_env
if sampler_order is None:
sampler_order = utils.default_sampler_order.copy()
sampler_order = np.uint32(sampler_order)
total_batch = 1
tokens = context
if(soft_tokens is not None):
@ -854,6 +858,7 @@ def infer_static(
batched_tokens = np.array([padded_tokens] * total_batch)
samples = []
batched_generator_params = {
"sampler_order": np.repeat(sampler_order[np.newaxis], total_batch, axis=0),
"temp": temp * np.ones(total_batch),
"top_p": top_p * np.ones(total_batch),
"tfs": tfs * np.ones(total_batch),
@ -1015,6 +1020,9 @@ def read_neox_checkpoint(state, path, config, checkpoint_shards=2):
def load_model(path: str, driver_version="tpu_driver0.1_dev20210607", hf_checkpoint=False, **kwargs) -> None:
global thread_resources_env, seq, tokenizer, network, params
if not hasattr(vars, "sampler_order") or not vars.sampler_order:
vars.sampler_order = utils.default_sampler_order.copy()
default_params = {
"compat": "j",
"layers": 28,

2
utils.py
View File

@ -20,6 +20,8 @@ from_pretrained_index_filename: Optional[str] = None
from_pretrained_kwargs = {}
bar = None
default_sampler_order = [0, 1, 2, 3, 4, 5]
#==================================================================#
# Decorator to prevent a function's actions from being run until
# at least x seconds have passed without the function being called