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Removed code for RW ports to not precharge on writes. Previously, the entire bitline was written where part was an old value and part was the wmask value.

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jsowash
2019-07-24 15:01:20 -07:00
parent 01493aab3e
commit 3bcb79d9d5
3 changed files with 13 additions and 18 deletions
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compiler/characterizer/functional.py
+4 -9
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@@ -30,10 +30,7 @@ class functional(simulation):
# Seed the characterizer with a constant seed for unit tests
if OPTS.is_unit_test:
random.seed(91218)
#12364?
#12365
#91218
random.seed(12345)
if self.write_size is not None:
self.num_wmasks = int(self.word_size / self.write_size)
@@ -136,7 +133,7 @@ class functional(simulation):
elif op == "write":
addr = self.gen_addr()
word = self.gen_data()
# print("w",self.t_current,addr,word)
# print("write",self.t_current,addr,word)
# two ports cannot write to the same address
if addr in w_addrs:
self.add_noop_one_port("0"*self.addr_size, "0"*self.word_size, "0"*self.num_wmasks, port)
@@ -148,8 +145,6 @@ class functional(simulation):
elif op == "partial_write":
#write only to a word that's been written to
(addr,old_word) = self.get_data()
# rand = random.randint(0,len(w_addrs)-1)
# addr = w_addrs[rand]
word = self.gen_data()
wmask = self.gen_wmask()
new_word = word
@@ -159,7 +154,7 @@ class functional(simulation):
lower = bit * self.write_size
upper = lower + self.write_size - 1
new_word = new_word[:lower] + old_word[lower:upper+1] + new_word[upper + 1:]
# print("partial_w",self.t_current,addr,wmask,word, "new", new_word)
# print("partial_w",self.t_current,addr,wmask,word, "partial_w_word:", new_word)
# two ports cannot write to the same address
if addr in w_addrs:
self.add_noop_one_port("0"*self.addr_size, "0"*self.word_size, "0"*self.num_wmasks, port)
@@ -175,7 +170,7 @@ class functional(simulation):
if addr in w_addrs:
self.add_noop_one_port("0"*self.addr_size, "0"*self.word_size, "0"*self.num_wmasks, port)
else:
comment = self.gen_cycle_comment("read", word, addr, self.wmask, port, self.t_current)
# comment = self.gen_cycle_comment("read", word, addr, self.wmask, port, self.t_current)
self.add_read_one_port(comment, addr, rw_read_din_data, "1"*self.num_wmasks, port)
self.write_check.append([word, "{0}{1}".format(self.dout_name,port), self.t_current+self.period, check])
check += 1