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- Fix disabled power char

This commit is contained in:
David Ratchkov 2020-04-17 16:09:58 -07:00
parent 1f816e2823
commit 123cc371be
3 changed files with 61 additions and 33 deletions
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24
compiler/characterizer/delay.py
View File

@ -59,7 +59,8 @@ class delay(simulation):
""" Create measurement names. The names themselves currently define the type of measurement """
self.delay_meas_names = ["delay_lh", "delay_hl", "slew_lh", "slew_hl"]
self.power_meas_names = ["read0_power", "read1_power", "write0_power", "write1_power", "disabled_read0_power", "disabled_read1_power"]
self.power_meas_names = ["read0_power", "read1_power", "write0_power", "write1_power",
"disabled_read0_power", "disabled_read1_power", "disabled_write0_power", "disabled_write1_power"]
# self.voltage_when_names = ["volt_bl", "volt_br"]
# self.bitline_delay_names = ["delay_bl", "delay_br"]
@ -161,6 +162,11 @@ class delay(simulation):
self.write_lib_meas.append(power_measure("write0_power", "FALL", measure_scale=1e3))
self.write_lib_meas[-1].meta_str = sram_op.WRITE_ZERO
self.write_lib_meas.append(power_measure("disabled_write1_power", "RISE", measure_scale=1e3))
self.write_lib_meas[-1].meta_str = "disabled_write1"
self.write_lib_meas.append(power_measure("disabled_write0_power", "FALL", measure_scale=1e3))
self.write_lib_meas[-1].meta_str = "disabled_write0"
write_measures = []
write_measures.append(self.write_lib_meas)
write_measures.append(self.create_write_bit_measures())
@ -1203,6 +1209,9 @@ class delay(simulation):
write_port)
self.measure_cycles[write_port][sram_op.WRITE_ZERO] = len(self.cycle_times)-1
self.add_noop_clock_one_port(write_port)
self.measure_cycles[write_port]["disabled_write0"] = len(self.cycle_times)-1
# This also ensures we will have a H->L transition on the next read
self.add_read("R data 1 address {} to set dout caps".format(inverse_address),
inverse_address,
@ -1213,8 +1222,9 @@ class delay(simulation):
read_port)
self.measure_cycles[read_port][sram_op.READ_ZERO] = len(self.cycle_times)-1
self.add_nop(self.probe_address, data_zeros, read_port)
self.measure_cycles[write_port]["disabled_read0"] = len(self.cycle_times) - 1
self.add_noop_clock_one_port(read_port)
self.measure_cycles[read_port]["disabled_read0"] = len(self.cycle_times) - 1
self.add_noop_all_ports("Idle cycle (if read takes >1 cycle)")
@ -1225,14 +1235,18 @@ class delay(simulation):
write_port)
self.measure_cycles[write_port][sram_op.WRITE_ONE] = len(self.cycle_times)-1
self.add_noop_clock_one_port(write_port)
self.measure_cycles[write_port]["disabled_write1"] = len(self.cycle_times)-1
self.add_write("W data 0 address {} to clear din caps".format(inverse_address),
inverse_address,
data_zeros,
wmask_ones,
write_port)
self.add_nop(self.probe_address, data_zeros, read_port)
self.measure_cycles[write_port]["disabled_read1"] = len(self.cycle_times) - 1
self.add_noop_clock_one_port(read_port)
self.measure_cycles[read_port]["disabled_read1"] = len(self.cycle_times) - 1
# This also ensures we will have a L->H transition on the next read
self.add_read("R data 0 address {} to clear dout caps".format(inverse_address),

37
compiler/characterizer/lib.py
View File

@ -534,6 +534,19 @@ class lib:
self.lib.write(" }\n")
self.lib.write(" }\n")
# Disabled power.
disabled_read1_power = np.mean(self.char_port_results[port]["disabled_read1_power"])
disabled_read0_power = np.mean(self.char_port_results[port]["disabled_raed0_power"])
self.lib.write(" internal_power(){\n")
self.lib.write(" when : \"csb{0}{1}\"; \n".format(port, web_name))
self.lib.write(" rise_power(scalar){\n")
self.lib.write(" values(\"{0:.6e}\");\n".format(disabled_read1_power))
self.lib.write(" }\n")
self.lib.write(" fall_power(scalar){\n")
self.lib.write(" values(\"{0:.6e}\");\n".format(disabled_read0_power))
self.lib.write(" }\n")
self.lib.write(" }\n")
if port in self.read_ports:
if port in self.write_ports:
web_name = " & web{0}".format(port)
@ -549,18 +562,18 @@ class lib:
self.lib.write(" }\n")
self.lib.write(" }\n")
# Disabled power.
disabled_read1_power = np.mean(self.char_port_results[port]["disabled_read1_power"])
disabled_read0_power = np.mean(self.char_port_results[port]["disabled_read0_power"])
self.lib.write(" internal_power(){\n")
self.lib.write(" when : \"csb{0}\"; \n".format(port))
self.lib.write(" rise_power(scalar){\n")
self.lib.write(" values(\"{0:.6e}\");\n".format(disabled_read1_power))
self.lib.write(" }\n")
self.lib.write(" fall_power(scalar){\n")
self.lib.write(" values(\"{0:.6e}\");\n".format(disabled_read0_power))
self.lib.write(" }\n")
self.lib.write(" }\n")
# Disabled power.
disabled_write1_power = np.mean(self.char_port_results[port]["disabled_write1_power"])
disabled_write0_power = np.mean(self.char_port_results[port]["disabled_write0_power"])
self.lib.write(" internal_power(){\n")
self.lib.write(" when : \"csb{0}{1}\"; \n".format(port, web_name))
self.lib.write(" rise_power(scalar){\n")
self.lib.write(" values(\"{0:.6e}\");\n".format(disabled_write1_power))
self.lib.write(" }\n")
self.lib.write(" fall_power(scalar){\n")
self.lib.write(" values(\"{0:.6e}\");\n".format(disabled_write0_power))
self.lib.write(" }\n")
self.lib.write(" }\n")
def write_pg_pin(self):
self.lib.write(" pg_pin(vdd) {\n")

33
compiler/characterizer/simulation.py
View File

@ -210,22 +210,6 @@ class simulation():
if unselected_port != port:
self.add_noop_one_port(unselected_port)
def add_nop(self, address, din_data, port):
""" Add the control values for a cycle with clock only. Does not increment the period. """
debug.check(port in self.read_ports or port in self.write_ports,
"Cannot add read cycle to a write port. Port {0}, Read Ports {1}".format(port, self.read_ports))
debug.info(2, 'Clock only on port {}'.format(port))
self.fn_cycle_comments.append('Clock only on port {}'.format(port))
self.append_cycle_comment(port, 'Clock only on port {}'.format(port))
self.cycle_times.append(self.t_current)
self.t_current += self.period
self.add_control_one_port(port, "noop")
# If the port is also a readwrite then add data.
if port in self.write_ports:
self.add_data(din_data, port)
self.add_address(address, port)
def add_noop_all_ports(self, comment):
""" Add the control values for a noop to all ports. """
debug.info(2, comment)
@ -295,6 +279,23 @@ class simulation():
except:
self.add_wmask("0"*self.num_wmasks, port)
def add_noop_clock_one_port(self, port):
""" Add the control values for a noop to a single port. Increments the period. """
debug.info(2, 'Clock only on port {}'.format(port))
self.fn_cycle_comments.append('Clock only on port {}'.format(port))
self.append_cycle_comment(port, 'Clock only on port {}'.format(port))
self.cycle_times.append(self.t_current)
self.t_current += self.period
self.add_noop_one_port(port)
#Add noops to all other ports.
for unselected_port in self.all_ports:
if unselected_port != port:
self.add_noop_one_port(unselected_port)
def append_cycle_comment(self, port, comment):
"""Add comment to list to be printed in stimulus file"""
#Clean up time before appending. Make spacing dynamic as well.