def __init__(
self, l2_size, l2_assoc, network, num_l2Caches, cache_line_size
):
super().__init__(network, cache_line_size)
# This is the cache memory object that stores the cache data and tags
self.L2cache = RubyCache(
size=l2_size,
assoc=l2_assoc,
start_index_bit=self.getIndexBit(num_l2Caches),
)
self.transitions_per_cycle = "4"
def __init__(
self,
l1i_size,
l1i_assoc,
l1d_size,
l1d_assoc,
network,
core: AbstractCore,
num_l2Caches,
cache_line_size,
target_isa: ISA,
clk_domain: ClockDomain,
):
"""Creating L1 cache controller. Consist of both instruction
and data cache.
"""
super(L1Cache, self).__init__(network, cache_line_size)
# This is the cache memory object that stores the cache data and tags
self.L1Icache = RubyCache(
size=l1i_size,
assoc=l1i_assoc,
start_index_bit=self.getBlockSizeBits(),
is_icache=True,
)
self.L1Dcache = RubyCache(
size=l1d_size,
assoc=l1d_assoc,
start_index_bit=self.getBlockSizeBits(),
is_icache=False,
)
self.l2_select_num_bits = int(math.log(num_l2Caches, 2))
self.clk_domain = clk_domain
self.prefetcher = RubyPrefetcher()
self.send_evictions = self.sendEvicts(core=core, target_isa=target_isa)
self.transitions_per_cycle = 4
self.enable_prefetch = False
def __init__(
self,
network: RubyNetwork,
cache_line_size: int,
clk_domain: ClockDomain,
):
super().__init__(network, cache_line_size)
# Dummy cache
self.cache = RubyCache(dataAccessLatency=0,
tagAccessLatency=1,
size="128",
assoc=1)
self.clk_domain = clk_domain
# Only used for L1 controllers
self.send_evictions = False
self.sequencer = NULL
self.use_prefetcher = False
# Set up home node that allows three hop protocols
self.is_HN = True
self.enable_DMT = True
self.enable_DCT = True
# "Owned state"
self.allow_SD = True
# No cache
self.alloc_on_seq_acc = False
self.alloc_on_seq_line_write = False
self.alloc_on_readshared = False
self.alloc_on_readunique = False
self.alloc_on_readonce = False
self.alloc_on_writeback = False
self.dealloc_on_unique = False
self.dealloc_on_shared = False
self.dealloc_backinv_unique = False
self.dealloc_backinv_shared = False
# Some reasonable default TBE params
self.number_of_TBEs = 32
self.number_of_repl_TBEs = 32
self.number_of_snoop_TBEs = 1
self.unify_repl_TBEs = False
def __init__(
self,
size: str,
assoc: int,
network: RubyNetwork,
core: AbstractCore,
cache_line_size,
target_isa: ISA,
clk_domain: ClockDomain,
):
super().__init__(network, cache_line_size)
self.cache = RubyCache(size=size,
assoc=assoc,
start_index_bit=self.getBlockSizeBits())
self.clk_domain = clk_domain
self.send_evictions = self.sendEvicts(core=core, target_isa=target_isa)
self.use_prefetcher = False
# Only applies to home nodes
self.is_HN = False
self.enable_DMT = False
self.enable_DCT = False
# MOESI states for a 1 level cache
self.allow_SD = True
self.alloc_on_seq_acc = True
self.alloc_on_seq_line_write = False
self.alloc_on_readshared = True
self.alloc_on_readunique = True
self.alloc_on_readonce = True
self.alloc_on_writeback = False # Should never happen in an L1
self.dealloc_on_unique = False
self.dealloc_on_shared = False
self.dealloc_backinv_unique = True
self.dealloc_backinv_shared = True
# Some reasonable default TBE params
self.number_of_TBEs = 16
self.number_of_repl_TBEs = 16
self.number_of_snoop_TBEs = 4
self.unify_repl_TBEs = False
def __init__(
self,
network,
cache_line_size,
clk_domain: ClockDomain,
):
super().__init__(network, cache_line_size)
# Dummy cache
self.cache = RubyCache(dataAccessLatency=0,
tagAccessLatency=1,
size="128",
assoc=1)
self.clk_domain = clk_domain
# Only applies to home nodes
self.is_HN = False
self.enable_DMT = False
self.enable_DCT = False
# No cache
self.allow_SD = False
self.alloc_on_seq_acc = False
self.alloc_on_seq_line_write = False
self.alloc_on_readshared = False
self.alloc_on_readunique = False
self.alloc_on_readonce = False
self.alloc_on_writeback = False
self.dealloc_on_unique = False
self.dealloc_on_shared = False
self.dealloc_backinv_unique = True
self.dealloc_backinv_shared = True
self.send_evictions = False
self.use_prefetcher = False
# Some reasonable default TBE params
self.number_of_TBEs = 16
self.number_of_repl_TBEs = 1
self.number_of_snoop_TBEs = 1 # Should never receive snoops
self.unify_repl_TBEs = False