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Support FSDB & SHM Waveforms #72

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merged 7 commits into from
Feb 15, 2022
Merged

Support FSDB & SHM Waveforms #72

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fe6cb8b
allow fsdb waveform format
harrisonliew Feb 4, 2022
4d39430
add SHM format
harrisonliew Feb 4, 2022
df2e73b
.trn is within .shm directory, which is the waveform without the desi…
harrisonliew Feb 4, 2022
2c1bcd9
tiny bugfix in pg library checking
harrisonliew Feb 4, 2022
2425710
bugfix for multiple spice models + corners
harrisonliew Feb 5, 2022
b1ca638
missed macro pgv
harrisonliew Feb 5, 2022
4f29a0c
corners case too
harrisonliew Feb 5, 2022
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48 changes: 28 additions & 20 deletions power/voltus/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,7 @@ def init_technology(self) -> bool:
corners = self.get_mmmc_corners()

# Options for set_pg_library_mode
base_options = [] # type: List[str]
base_options = ["-enable_distributed_processing", "true"] # type: List[str]
if self.get_setting("power.voltus.lef_layer_map"):
base_options.extend(["-lef_layer_map", self.get_setting("power.voltus.lef_layer_map")])

Expand All @@ -171,7 +171,6 @@ def init_technology(self) -> bool:
tech_lib_lefs = self.technology.read_libs([hammer_tech.filters.lef_filter], hammer_tech.HammerTechnologyUtils.to_plain_item, self.tech_lib_filter())
if len(tech_pg_libs) > 0:
self.logger.info("Technology already provides PG libraries. Moving onto macro PG libraries.")
self.ran_tech_stdcell_pgv = True
# Else, characterize tech & stdcell libraries only once
elif not os.path.isdir(self.tech_lib_dir) or not os.path.isdir(self.stdcell_lib_dir):
self.logger.info("Generating techonly and stdcell PG libraries for the first time...")
Expand Down Expand Up @@ -210,9 +209,9 @@ def init_technology(self) -> bool:
self.logger.error("Must specify Spice model files in tech plugin to generate stdcell PG libraries! Skipping.")
return True
else:
options.extend(["-spice_models", " ".join(spice_models)])
options.extend(["-spice_models", "{", " ".join(spice_models), "}"])
if len(spice_corners) > 0:
options.extend(["-spice_corners", "{", "} {".join(spice_corners), "}"])
options.extend(["-spice_corners", "{{", "} {".join(spice_corners), "}}"])
if len(decaps) > 0 and len(tech_lib_sp) == 0:
self.logger.error("Must have Spice netlists in tech plugin for decap characterization in stdcell PG library! Skipping.")
return True
Expand Down Expand Up @@ -247,9 +246,9 @@ def init_technology(self) -> bool:
self.logger.error("Must specify Spice model files in tech plugin to generate stdcell PG libraries! Skipping.")
return True
else:
options.extend(["-spice_models", " ".join(spice_models)])
options.extend(["-spice_models", "{", " ".join(spice_models), "}"])
if len(spice_corners) > 0:
options.extend(["-spice_corners", "{", "} {".join(spice_corners), "}"])
options.extend(["-spice_corners", "{{", "} {".join(spice_corners), "}}"])
if len(decaps) > 0 and len(tech_lib_sp) == 0:
self.logger.error("Must have Spice netlists in tech plugin for decap characterization in stdcell PG library! Skipping.")
return True
Expand Down Expand Up @@ -355,9 +354,9 @@ def init_technology(self) -> bool:
self.logger.error("Must specify Spice model files in tech plugin to generate macro PG libraries")
return True
else:
options.extend(["-spice_models", " ".join(spice_models)])
options.extend(["-spice_models", "{", " ".join(spice_models), "}"])
if len(spice_corners) > 0:
options.extend(["-spice_corners", "{", "} {".join(spice_corners), "}"])
options.extend(["-spice_corners", "{{", "} {".join(spice_corners), "}}"])
m_output.append("set_pg_library_mode {}".format(" ".join(options)))
m_output.append("write_pg_library -out_dir {}".format(os.path.join(self.macro_lib_dir, corner.name)))

Expand All @@ -375,9 +374,9 @@ def init_technology(self) -> bool:
self.logger.error("Must specify Spice model files in tech plugin to generate macro PG libraries")
return True
else:
options.extend(["-spice_models", " ".join(spice_models)])
options.extend(["-spice_models", "{", " ".join(spice_models), "}"])
if len(spice_corners) > 0:
options.extend(["-spice_corners", "{", "} {".join(spice_corners), "}"])
options.extend(["-spice_corners", "{{", "} {".join(spice_corners), "}}"])
m_output.append("set_pg_library_mode {}".format(" ".join(options)))
m_output.append("write_pg_library -out_dir {}".format(os.path.join(self.macro_lib_dir, corner.name)))

Expand Down Expand Up @@ -537,14 +536,23 @@ def active_power(self) -> bool:

# Active Vectorbased Power Analysis
verbose_append("set_db power_method dynamic_vectorbased")
for vcd_path, vcd_stime, vcd_etime in zip(self.waveforms, start_times, end_times):
stime_ns = TimeValue(vcd_stime).value_in_units("ns")
etime_ns = TimeValue(vcd_etime).value_in_units("ns")
verbose_append("read_activity_file -reset -format VCD {VCD_PATH} -start {stime}ns -end {etime}ns -scope {TESTBENCH}".format(VCD_PATH=os.path.join(os.getcwd(), vcd_path), TESTBENCH=tb_scope, stime=stime_ns, etime=etime_ns))
vcd_file = os.path.basename(vcd_path)
waveform_format_map = {".vcd": "vcd",
".vpd": "vcd",
".fsdb": "fsdb",
".shm": "shm",
".trn": "shm"}
for waveform_path, waveform_stime, waveform_etime in zip(self.waveforms, start_times, end_times):
stime_ns = TimeValue(waveform_stime).value_in_units("ns")
etime_ns = TimeValue(waveform_etime).value_in_units("ns")
# Set format intelligently based on file extension. Strip .gz if present.
waveform_ext = os.path.splitext(waveform_path.rstrip(".gz"))[1].lower()
if waveform_format_map.get(waveform_ext) is None:
self.logger.error("Only VCD/VPD, FSDB, and SHM waveform formats supported.")
verbose_append("read_activity_file -reset -format {FORMAT} {WAVEFORM_PATH} -start {stime}ns -end {etime}ns -scope {TESTBENCH}".format(FORMAT=waveform_format_map.get(waveform_ext), WAVEFORM_PATH=os.path.join(os.getcwd(), waveform_path), TESTBENCH=tb_scope, stime=stime_ns, etime=etime_ns))
waveform_file = os.path.basename(waveform_path)
# Report based on MMMC mode
if not corners:
verbose_append("report_power -out_dir activePower.{VCD_FILE}".format(VCD_FILE=vcd_file))
verbose_append("report_power -out_dir activePower.{WAVEFORM_FILE}".format(WAVEFORM_FILE=waveform_file))
else:
for corner in corners:
# Setting up views for all defined corner types: setup, hold, extra
Expand All @@ -556,9 +564,9 @@ def active_power(self) -> bool:
view_name = "{c}.extra_view".format(c=corner.name)
else:
raise ValueError("Unsupported MMMCCornerType")
verbose_append("report_power -view {VIEW} -out_dir activePowerReports.{VCD_FILE}.{VIEW}".format(VIEW=view_name, VCD_FILE=vcd_file))
verbose_append("report_power -view {VIEW} -out_dir activePowerReports.{WAVEFORM_FILE}.{VIEW}".format(VIEW=view_name, WAVEFORM_FILE=waveform_file))

verbose_append("report_vector_profile -detailed_report true -out_file activePowerProfile.{VCD_FILE}".format(VCD_FILE=vcd_file))
verbose_append("report_vector_profile -detailed_report true -out_file activePowerProfile.{WAVEFORM_FILE}".format(WAVEFORM_FILE=waveform_file))

verbose_append("set_db power_method dynamic")
for saif_path in self.saifs:
Expand Down Expand Up @@ -694,8 +702,8 @@ def active_rail(self) -> bool:
passed = self.rail_analysis("dynamic", "activePowerReports", "activeRailReports")

# Vectorbased databases
for vcd_path in self.waveforms:
passed = self.rail_analysis("dynamic", "activePower." + os.path.basename(vcd_path), "activeRailReports." + os.path.basename(vcd_path))
for waveform_path in self.waveforms:
passed = self.rail_analysis("dynamic", "activePower." + os.path.basename(waveform_path), "activeRailReports." + os.path.basename(waveform_path))
for saif_path in self.saifs:
saif_file=".".join(saif_path.split('/')[-2:])
passed = self.rail_analysis("dynamic", "activePower." + saif_file, "activeRailReports." + saif_file)
Expand Down