Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

add new sampling algorithm "mirostat" #142

Merged
merged 1 commit into from
May 5, 2023
Merged

add new sampling algorithm "mirostat" #142

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 4 additions & 1 deletion expose.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ struct generation_inputs
const float tfs;
const float rep_pen;
const int rep_pen_range;
const int mirostat;
const float mirostat_eta;
const float mirostat_tau;
const char * stop_sequence[stop_token_max];
};
struct generation_outputs
Expand All @@ -41,4 +44,4 @@ struct generation_outputs
};

extern std::string executable_path;
extern std::string lora_filename;
extern std::string lora_filename;
3 changes: 3 additions & 0 deletions gpttype_adapter.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -371,6 +371,9 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
params.temp = inputs.temperature;
params.repeat_last_n = inputs.rep_pen_range;
params.repeat_penalty = inputs.rep_pen;
params.mirostat = inputs.mirostat;
params.mirostat_eta = inputs.mirostat_eta;
params.mirostat_tau = inputs.mirostat_tau;
params.n_ctx = inputs.max_context_length;
params.n_batch = n_batch;
params.n_threads = n_threads;
Expand Down
14 changes: 13 additions & 1 deletion koboldcpp.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,9 @@ class generation_inputs(ctypes.Structure):
("tfs", ctypes.c_float),
("rep_pen", ctypes.c_float),
("rep_pen_range", ctypes.c_int),
("mirostat", ctypes.c_int),
("mirostat_tau", ctypes.c_float),
("mirostat_eta", ctypes.c_float),
("stop_sequence", ctypes.c_char_p * stop_token_max)]

class generation_outputs(ctypes.Structure):
Expand Down Expand Up @@ -152,7 +155,7 @@ def load_model(model_filename):
ret = handle.load_model(inputs)
return ret

def generate(prompt,max_length=20, max_context_length=512,temperature=0.8,top_k=100,top_p=0.85, typical_p=1.0, tfs=1.0 ,rep_pen=1.1,rep_pen_range=128,seed=-1,stop_sequence=[]):
def generate(prompt,max_length=20, max_context_length=512,temperature=0.8,top_k=100,top_p=0.85, typical_p=1.0, tfs=1.0 ,rep_pen=1.1,rep_pen_range=128,mirostat=0,mirostat_lr=0.1,mirostat_ent=5.0,seed=-1,stop_sequence=[]):
inputs = generation_inputs()
outputs = ctypes.create_unicode_buffer(ctypes.sizeof(generation_outputs))
inputs.prompt = prompt.encode("UTF-8")
Expand All @@ -165,6 +168,9 @@ def generate(prompt,max_length=20, max_context_length=512,temperature=0.8,top_k=
inputs.tfs = tfs
inputs.rep_pen = rep_pen
inputs.rep_pen_range = rep_pen_range
inputs.mirostat = mirostat
inputs.mirostat_eta = mirostat_lr
inputs.mirostat_tau = mirostat_ent
inputs.seed = seed
for n in range(0,stop_token_max):
if not stop_sequence or n >= len(stop_sequence):
Expand Down Expand Up @@ -309,6 +315,9 @@ def do_POST(self):
tfs=genparams.get('tfs', 1.0),
rep_pen=genparams.get('rep_pen', 1.1),
rep_pen_range=genparams.get('rep_pen_range', 128),
mirostat=genparams.get('mirostat', 0),
mirostat_lr=genparams.get('mirostat_lr', 0.1),
mirostat_ent=genparams.get('mirostat_ent', 5.0),
seed=-1,
stop_sequence=genparams.get('stop_sequence', [])
)
Expand All @@ -325,6 +334,9 @@ def do_POST(self):
tfs=genparams.get('tfs', 1.0),
rep_pen=genparams.get('rep_pen', 1.1),
rep_pen_range=genparams.get('rep_pen_range', 128),
mirostat=genparams.get('mirostat', 0),
mirostat_lr=genparams.get('mirostat_lr', 0.1),
mirostat_ent=genparams.get('mirostat_ent', 5.0),
seed=-1,
stop_sequence=genparams.get('stop_sequence', [])
)
Expand Down