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New hyperparameter ckpt_save_weights_file (ref #26) #27

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44 changes: 25 additions & 19 deletions candle/ckpt_utils.py
Original file line number Diff line number Diff line change
Expand Up @@ -209,6 +209,9 @@ def scan_params(self, gParams):
self.save_weights_only = self.param(
"ckpt_save_weights_only", True, ParamType.BOOLEAN
)
self.save_weights_file = self.param(
"ckpt_save_weights_file", True, ParamType.BOOLEAN
)
self.checksum_enabled = self.param("ckpt_checksum", False, ParamType.BOOLEAN)
self.keep_mode = self.param(
"ckpt_keep_mode",
Expand Down Expand Up @@ -349,23 +352,25 @@ def write_model(self, dir_work, epoch):
Do the I/O, report stats
dir_work: A pathlib.Path
"""
self.model_file = dir_work / "model.h5"
self.debug("writing model to: '%s'" % self.relpath(self.model_file))
start = time.time()

# Call down to backend-specific model writer:
self.write_model_backend(self.model, epoch)

stop = time.time()
duration = stop - start
stats = os.stat(self.model_file)
MB = stats.st_size / (1024 * 1024)
rate = MB / duration
self.debug(
"model wrote: %0.3f MB in %0.3f seconds (%0.2f MB/s)."
% (MB, duration, rate)
)
self.checksum(dir_work)
if self.save_weights_file:
self.model_file = dir_work / "model.h5"
self.debug("writing model to: '%s'" %
self.relpath(self.model_file))
start = time.time()

# Call down to backend-specific model writer:
self.write_model_backend(self.model, epoch)

stop = time.time()
duration = stop - start
stats = os.stat(self.model_file)
MB = stats.st_size / (1024 * 1024)
rate = MB / duration
self.debug(
"model wrote: %0.3f MB in %0.3f seconds (%0.2f MB/s)."
% (MB, duration, rate)
)
self.checksum(dir_work)
self.write_json(dir_work / "ckpt-info.json", epoch)

def checksum(self, dir_work):
Expand All @@ -387,8 +392,9 @@ def write_json(self, jsonfile, epoch):
D["epoch"] = epoch
D["save_best_metric"] = self.save_best_metric
D["best_metric_last"] = self.best_metric_last
D["model_file"] = "model.h5"
D["checksum"] = self.cksum_model
if self.save_weights_file:
D["model_file"] = "model.h5"
D["checksum"] = self.cksum_model
D["timestamp"] = now.strftime("%Y-%m-%d %H:%M:%S")
if self.timestamp_last is None:
time_elapsed = "__FIRST__"
Expand Down
7 changes: 7 additions & 0 deletions candle/parsing_utils.py
Original file line number Diff line number Diff line change
Expand Up @@ -187,6 +187,7 @@ class ConfigDict(TypedDict):
ckpt_save_best: bool
ckpt_save_best_metric: str
ckpt_save_weights_only: bool
ckpt_save_weights_file: bool
ckpt_save_interval: int
ckpt_keep_mode: str
ckpt_keep_limit: int
Expand Down Expand Up @@ -612,6 +613,12 @@ class ConfigDict(TypedDict):
"default": False,
"help": "Toggle saving only weights (not optimizer) (NYI).",
},
{
"name": "ckpt_save_weights_file",
"type": str2bool,
"default": True,
"help": "Toggle whether to save weights. JSON will still be saved.",
},
{
"name": "ckpt_save_interval",
"type": int,
Expand Down