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jsowash
2019-07-05 11:43:31 -07:00
parent 150259e2ba bfe4213fce
commit f29631695c
8 changed files with 257 additions and 123 deletions
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compiler/sram/sram_config.py
+3 -3
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@@ -41,7 +41,7 @@ class sram_config:
def compute_sizes(self):
""" Computes the organization of the memory using bitcell size by trying to make it square."""
self.bitcell = factory.create(module_type="bitcell")
bitcell = factory.create(module_type="bitcell")
debug.check(self.num_banks in [1,2,4], "Valid number of banks are 1 , 2 and 4.")
@@ -52,11 +52,11 @@ class sram_config:
# If this was hard coded, don't dynamically compute it!
if not self.words_per_row:
# Compute the area of the bitcells and estimate a square bank (excluding auxiliary circuitry)
self.bank_area = self.bitcell.width*self.bitcell.height*self.num_bits_per_bank
self.bank_area = bitcell.width*bitcell.height*self.num_bits_per_bank
self.bank_side_length = sqrt(self.bank_area)
# Estimate the words per row given the height of the bitcell and the square side length
self.tentative_num_cols = int(self.bank_side_length/self.bitcell.width)
self.tentative_num_cols = int(self.bank_side_length/bitcell.width)
self.words_per_row = self.estimate_words_per_row(self.tentative_num_cols, self.word_size)
# Estimate the number of rows given the tentative words per row