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add ct2 server parameters #2088

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add ct2 server parameters #2088

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d060bdb
add ct2 server parameters
900groove Aug 13, 2021
8fb00ed
add doc
900groove Aug 13, 2021
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29 changes: 22 additions & 7 deletions onmt/translate/translation_server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,15 +81,16 @@ class CTranslate2Translator(object):
"""

def __init__(self, model_path, device, device_index, batch_size,
beam_size, n_best, target_prefix=False, preload=False):
beam_size, n_best, target_prefix=False, preload=False,
inter_threads=1, intra_threads=1, compute_type="default"):
import ctranslate2
self.translator = ctranslate2.Translator(
model_path,
device=device,
device_index=device_index,
inter_threads=1,
intra_threads=1,
compute_type="default")
inter_threads=inter_threads,
intra_threads=intra_threads,
compute_type=compute_type)
self.batch_size = batch_size
self.beam_size = beam_size
self.n_best = n_best
Expand Down Expand Up @@ -155,7 +156,10 @@ def start(self, config_file):
'custom_opt': conf.get('custom_opt', None),
'on_timeout': conf.get('on_timeout', None),
'model_root': conf.get('model_root', self.models_root),
'ct2_model': conf.get('ct2_model', None)
'ct2_model': conf.get('ct2_model', None),
'inter_threads': conf.get('inter_threads', None),
'intra_threads': conf.get('intra_threads', None),
'compute_type': conf.get('compute_type', None)
}
kwargs = {k: v for (k, v) in kwargs.items() if v is not None}
model_id = conf.get("id", None)
Expand Down Expand Up @@ -258,11 +262,16 @@ class ServerModel(object):
timeout (see :func:`do_timeout()`.)
model_root (str): Path to the model directory
it must contain the model and tokenizer file
ct2_model (str): Path to the CTranslate2 model directory
inter_threads (int): Maximum number of CPU translations executed in parallel
intra_threads (int): Number of OpenMP threads that is used per translation
compute_type (str): The type used for computation
"""

def __init__(self, opt, model_id, preprocess_opt=None, tokenizer_opt=None,
postprocess_opt=None, custom_opt=None, load=False, timeout=-1,
on_timeout="to_cpu", model_root="./", ct2_model=None):
on_timeout="to_cpu", model_root="./", ct2_model=None,
inter_threads=1, intra_threads=1, compute_type="default"):
self.model_root = model_root
self.opt = self.parse_opt(opt)
self.custom_opt = custom_opt
Expand All @@ -276,6 +285,9 @@ def __init__(self, opt, model_id, preprocess_opt=None, tokenizer_opt=None,

self.ct2_model = os.path.join(model_root, ct2_model) \
if ct2_model is not None else None
self.inter_threads = inter_threads
self.intra_threads = intra_threads
self.compute_type = compute_type

self.unload_timer = None
self.user_opt = opt
Expand Down Expand Up @@ -393,7 +405,10 @@ def load(self, preload=False):
beam_size=self.opt.beam_size,
n_best=self.opt.n_best,
target_prefix=self.opt.tgt_prefix,
preload=preload)
preload=preload,
inter_threads=self.inter_threads,
intra_threads=self.intra_threads,
compute_type=self.compute_type)
else:
self.translator = build_translator(
self.opt, report_score=False,
Expand Down