Added some data variation checking

This commit is contained in:
Hunter Nichols
2019-01-24 09:25:09 -08:00
parent d527b7da62
commit ee03b4ecb8
11 changed files with 96 additions and 22 deletions
+6 -6
View File
@@ -112,6 +112,7 @@ class control_logic(design.design):
c = reload(__import__(OPTS.replica_bitline))
replica_bitline = getattr(c, OPTS.replica_bitline)
bitcell_loads = int(math.ceil(self.num_rows * parameter["rbl_height_percentage"]))
#Use a model to determine the delays with that heuristic
if OPTS.use_tech_delay_chain_size: #Use tech parameters if set.
delay_stages = parameter["static_delay_stages"]
delay_fanout = parameter["static_fanout_per_stage"]
@@ -119,6 +120,8 @@ class control_logic(design.design):
self.replica_bitline = replica_bitline([delay_fanout]*delay_stages,
bitcell_loads,
name="replica_bitline_"+self.port_type)
if self.sram != None: #Calculate model value even for specified sizes
self.set_sen_wl_delays()
else: #Otherwise, use a heuristic and/or model based sizing.
#First use a heuristic
@@ -126,13 +129,10 @@ class control_logic(design.design):
self.replica_bitline = replica_bitline([delay_fanout_heuristic]*delay_stages_heuristic,
bitcell_loads,
name="replica_bitline_"+self.port_type)
#Use a model to determine the delays with that heuristic
if self.sram != None:
if self.sram != None: #Calculate delays for potential re-sizing
self.set_sen_wl_delays()
#Resize if necessary
if self.sram != None and self.enable_delay_chain_resizing and not self.does_sen_total_timing_match(): #check condition based on resizing method
#Resize if necessary, condition depends on resizing method
if self.sram != None and self.enable_delay_chain_resizing and not self.does_sen_total_timing_match():
#This resizes to match fall and rise delays, can make the delay chain weird sizes.
# stage_list = self.get_dynamic_delay_fanout_list(delay_stages_heuristic, delay_fanout_heuristic)
# self.replica_bitline = replica_bitline(stage_list,