remove hit_latency and make latency do the right thing

set the latency parameter in terms of a latency
add caches to tsunami-simple configs

configs/common/Caches.py:
tests/configs/memtest.py:
tests/configs/o3-timing-mp.py:
tests/configs/o3-timing.py:
tests/configs/simple-atomic-mp.py:
tests/configs/simple-timing-mp.py:
tests/configs/simple-timing.py:
    set the latency parameter in terms of a latency
configs/common/FSConfig.py:
    give the bridge a default latency too
src/mem/cache/cache_builder.cc:
src/python/m5/objects/BaseCache.py:
    remove hit_latency and make latency do the right thing
tests/configs/tsunami-simple-atomic-dual.py:
tests/configs/tsunami-simple-atomic.py:
tests/configs/tsunami-simple-timing-dual.py:
tests/configs/tsunami-simple-timing.py:
    add caches to tsunami-simple configs

--HG--
extra : convert_revision : 37bef7c652e97c8cdb91f471fba62978f89019f1

configs/common/Caches.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2006 The Regents of The University of Michigan
+# Copyright (c) 2006-2007 The Regents of The University of Michigan
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -32,7 +32,7 @@ from m5.objects import *
 class L1Cache(BaseCache):
     assoc = 2
     block_size = 64
-    latency = 1
+    latency = '1ns'
     mshrs = 10
     tgts_per_mshr = 5
     protocol = CoherenceProtocol(protocol='moesi')
@@ -40,7 +40,7 @@ class L1Cache(BaseCache):
 class L2Cache(BaseCache):
     assoc = 8
     block_size = 64
-    latency = 10
+    latency = '10ns'
     mshrs = 20
     tgts_per_mshr = 12
 

configs/common/FSConfig.py

@@ -61,7 +61,7 @@ def makeLinuxAlphaSystem(mem_mode, mdesc = None):
     self.readfile = mdesc.script()
     self.iobus = Bus(bus_id=0)
     self.membus = Bus(bus_id=1)
-    self.bridge = Bridge(fix_partial_write_b=True)
+    self.bridge = Bridge(fix_partial_write_b=True, delay='50ns', nack_delay='4ns')
     self.physmem = PhysicalMemory(range = AddrRange(mdesc.mem()))
     self.bridge.side_a = self.iobus.port
     self.bridge.side_b = self.membus.port
@@ -94,7 +94,7 @@ def makeSparcSystem(mem_mode, mdesc = None):
     self.readfile = mdesc.script()
     self.iobus = Bus(bus_id=0)
     self.membus = Bus(bus_id=1)
-    self.bridge = Bridge()
+    self.bridge = Bridge(fix_partial_write_b=True, delay='50ns', nack_delay='4ns')
     self.t1000 = T1000()
     self.t1000.attachOnChipIO(self.membus)
     self.t1000.attachIO(self.iobus)

src/mem/cache/cache_builder.cc

@@ -134,7 +134,6 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(BaseCache)
     Param<bool> prefetch_cache_check_push;
     Param<bool> prefetch_use_cpu_id;
     Param<bool> prefetch_data_accesses_only;
-    Param<int> hit_latency;
 
 END_DECLARE_SIM_OBJECT_PARAMS(BaseCache)
 
@@ -190,8 +189,7 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(BaseCache)
     INIT_PARAM_DFLT(prefetch_policy, "Type of prefetcher to use", "none"),
     INIT_PARAM_DFLT(prefetch_cache_check_push, "Check if in cash on push or pop of prefetch queue", true),
     INIT_PARAM_DFLT(prefetch_use_cpu_id, "Use the CPU ID to seperate calculations of prefetches", true),
-    INIT_PARAM_DFLT(prefetch_data_accesses_only, "Only prefetch on data not on instruction accesses", false),
-    INIT_PARAM_DFLT(hit_latency, "Hit Latecny for a succesful access", 1)
+    INIT_PARAM_DFLT(prefetch_data_accesses_only, "Only prefetch on data not on instruction accesses", false)
 END_INIT_SIM_OBJECT_PARAMS(BaseCache)
 
 
@@ -211,7 +209,7 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
             BUILD_NULL_PREFETCHER(TAGS);                                \
         }                                                               \
         Cache<TAGS, c>::Params params(tags, mq, coh, base_params,       \
-                                      pf, prefetch_access, hit_latency, \
+                                      pf, prefetch_access, latency, \
                                       true,                             \
                                       store_compressed,                 \
                                       adaptive_compression,             \

src/python/m5/objects/BaseCache.py

@@ -9,7 +9,7 @@ class BaseCache(MemObject):
         "Use an adaptive compression scheme")
     assoc = Param.Int("associativity")
     block_size = Param.Int("block size in bytes")
-    latency = Param.Int("Latency")
+    latency = Param.Latency("Latency")
     compressed_bus = Param.Bool(False,
         "This cache connects to a compressed memory")
     compression_latency = Param.Latency('0ns',
@@ -59,6 +59,5 @@ class BaseCache(MemObject):
          "Use the CPU ID to seperate calculations of prefetches")
     prefetch_data_accesses_only = Param.Bool(False,
          "Only prefetch on data not on instruction accesses")
-    hit_latency = Param.Int(1,"Hit Latency of the cache")
     cpu_side = Port("Port on side closer to CPU")
     mem_side = Port("Port on side closer to MEM")

tests/configs/memtest.py

@@ -34,7 +34,7 @@ from m5.objects import *
 # ====================
 
 class L1(BaseCache):
-    latency = 1
+    latency = '1ns'
     block_size = 64
     mshrs = 12
     tgts_per_mshr = 8
@@ -46,7 +46,7 @@ class L1(BaseCache):
 
 class L2(BaseCache):
     block_size = 64
-    latency = 10
+    latency = '10ns'
     mshrs = 92
     tgts_per_mshr = 16
     write_buffers = 8

tests/configs/o3-timing-mp.py

@@ -35,7 +35,7 @@ m5.AddToPath('../configs/common')
 # ====================
 
 class L1(BaseCache):
-    latency = 1
+    latency = '1ns'
     block_size = 64
     mshrs = 4
     tgts_per_mshr = 8
@@ -47,7 +47,7 @@ class L1(BaseCache):
 
 class L2(BaseCache):
     block_size = 64
-    latency = 100
+    latency = '10ns'
     mshrs = 92
     tgts_per_mshr = 16
     write_buffers = 8

tests/configs/o3-timing.py

@@ -33,7 +33,7 @@ m5.AddToPath('../configs/common')
 class MyCache(BaseCache):
     assoc = 2
     block_size = 64
-    latency = 1
+    latency = '1ns'
     mshrs = 10
     tgts_per_mshr = 5
 

tests/configs/simple-atomic-mp.py

@@ -34,7 +34,7 @@ from m5.objects import *
 # ====================
 
 class L1(BaseCache):
-    latency = 1
+    latency = '1ns'
     block_size = 64
     mshrs = 4
     tgts_per_mshr = 8
@@ -46,7 +46,7 @@ class L1(BaseCache):
 
 class L2(BaseCache):
     block_size = 64
-    latency = 100
+    latency = '10ns'
     mshrs = 92
     tgts_per_mshr = 16
     write_buffers = 8

tests/configs/simple-timing-mp.py

@@ -34,7 +34,7 @@ from m5.objects import *
 # ====================
 
 class L1(BaseCache):
-    latency = 1
+    latency = '1ns'
     block_size = 64
     mshrs = 4
     tgts_per_mshr = 8
@@ -46,7 +46,7 @@ class L1(BaseCache):
 
 class L2(BaseCache):
     block_size = 64
-    latency = 100
+    latency = '10ns'
     mshrs = 92
     tgts_per_mshr = 16
     write_buffers = 8

tests/configs/simple-timing.py

@@ -32,13 +32,13 @@ from m5.objects import *
 class MyCache(BaseCache):
     assoc = 2
     block_size = 64
-    latency = 1
+    latency = '1ns'
     mshrs = 10
     tgts_per_mshr = 5
 
 cpu = TimingSimpleCPU(cpu_id=0)
 cpu.addTwoLevelCacheHierarchy(MyCache(size = '128kB'), MyCache(size = '256kB'),
-                              MyCache(size = '2MB'))
+                              MyCache(size = '2MB', latency='10ns'))
 system = System(cpu = cpu,
                 physmem = PhysicalMemory(),
                 membus = Bus())

tests/configs/tsunami-simple-atomic-dual.py

@@ -31,12 +31,49 @@ from m5.objects import *
 m5.AddToPath('../configs/common')
 import FSConfig
 
+# --------------------
+# Base L1 Cache
+# ====================
+
+class L1(BaseCache):
+    latency = '1ns'
+    block_size = 64
+    mshrs = 4
+    tgts_per_mshr = 8
+    protocol = CoherenceProtocol(protocol='moesi')
+
+# ----------------------
+# Base L2 Cache
+# ----------------------
+
+class L2(BaseCache):
+    block_size = 64
+    latency = '10ns'
+    mshrs = 92
+    tgts_per_mshr = 16
+    write_buffers = 8
+
+#cpu
 cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(2) ]
+#the system
 system = FSConfig.makeLinuxAlphaSystem('atomic')
+
 system.cpu = cpus
+#create the l1/l2 bus
+system.toL2Bus = Bus()
+
+#connect up the l2 cache
+system.l2c = L2(size='4MB', assoc=8)
+system.l2c.cpu_side = system.toL2Bus.port
+system.l2c.mem_side = system.membus.port
+
+#connect up the cpu and l1s
 for c in cpus:
-    c.connectMemPorts(system.membus)
+    c.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
+                                L1(size = '32kB', assoc = 4))
+    # connect cpu level-1 caches to shared level-2 cache
+    c.connectMemPorts(system.toL2Bus)
+    c.clock = '2GHz'
 
 root = Root(system=system)
-
-m5.ticks.setGlobalFrequency('2GHz')
+m5.ticks.setGlobalFrequency('1THz')

tests/configs/tsunami-simple-atomic.py

@@ -31,10 +31,49 @@ from m5.objects import *
 m5.AddToPath('../configs/common')
 import FSConfig
 
+# --------------------
+# Base L1 Cache
+# ====================
+
+class L1(BaseCache):
+    latency = '1ns'
+    block_size = 64
+    mshrs = 4
+    tgts_per_mshr = 8
+    protocol = CoherenceProtocol(protocol='moesi')
+
+# ----------------------
+# Base L2 Cache
+# ----------------------
+
+class L2(BaseCache):
+    block_size = 64
+    latency = '10ns'
+    mshrs = 92
+    tgts_per_mshr = 16
+    write_buffers = 8
+
+#cpu
 cpu = AtomicSimpleCPU(cpu_id=0)
+#the system
 system = FSConfig.makeLinuxAlphaSystem('atomic')
+
 system.cpu = cpu
-cpu.connectMemPorts(system.membus)
+#create the l1/l2 bus
+system.toL2Bus = Bus()
+
+#connect up the l2 cache
+system.l2c = L2(size='4MB', assoc=8)
+system.l2c.cpu_side = system.toL2Bus.port
+system.l2c.mem_side = system.membus.port
+
+#connect up the cpu and l1s
+cpu.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
+                            L1(size = '32kB', assoc = 4))
+# connect cpu level-1 caches to shared level-2 cache
+cpu.connectMemPorts(system.toL2Bus)
+cpu.clock = '2GHz'
 
 root = Root(system=system)
-m5.ticks.setGlobalFrequency('2GHz')
+m5.ticks.setGlobalFrequency('1THz')
+

tests/configs/tsunami-simple-timing-dual.py

@@ -31,11 +31,51 @@ from m5.objects import *
 m5.AddToPath('../configs/common')
 import FSConfig
 
+# --------------------
+# Base L1 Cache
+# ====================
+
+class L1(BaseCache):
+    latency = '1ns'
+    block_size = 64
+    mshrs = 4
+    tgts_per_mshr = 8
+    protocol = CoherenceProtocol(protocol='moesi')
+
+# ----------------------
+# Base L2 Cache
+# ----------------------
+
+class L2(BaseCache):
+    block_size = 64
+    latency = '10ns'
+    mshrs = 92
+    tgts_per_mshr = 16
+    write_buffers = 8
+
+#cpu
 cpus = [ TimingSimpleCPU(cpu_id=i) for i in xrange(2) ]
+#the system
 system = FSConfig.makeLinuxAlphaSystem('timing')
+
 system.cpu = cpus
+#create the l1/l2 bus
+system.toL2Bus = Bus()
+
+#connect up the l2 cache
+system.l2c = L2(size='4MB', assoc=8)
+system.l2c.cpu_side = system.toL2Bus.port
+system.l2c.mem_side = system.membus.port
+
+#connect up the cpu and l1s
 for c in cpus:
-    c.connectMemPorts(system.membus)
+    c.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
+                                L1(size = '32kB', assoc = 4))
+    # connect cpu level-1 caches to shared level-2 cache
+    c.connectMemPorts(system.toL2Bus)
+    c.clock = '2GHz'
 
 root = Root(system=system)
-m5.ticks.setGlobalFrequency('2GHz')
+m5.ticks.setGlobalFrequency('1THz')
+
+

tests/configs/tsunami-simple-timing.py

@@ -31,10 +31,50 @@ from m5.objects import *
 m5.AddToPath('../configs/common')
 import FSConfig
 
+
+# --------------------
+# Base L1 Cache
+# ====================
+
+class L1(BaseCache):
+    latency = '1ns'
+    block_size = 64
+    mshrs = 4
+    tgts_per_mshr = 8
+    protocol = CoherenceProtocol(protocol='moesi')
+
+# ----------------------
+# Base L2 Cache
+# ----------------------
+
+class L2(BaseCache):
+    block_size = 64
+    latency = '10ns'
+    mshrs = 92
+    tgts_per_mshr = 16
+    write_buffers = 8
+
+#cpu
 cpu = TimingSimpleCPU(cpu_id=0)
+#the system
 system = FSConfig.makeLinuxAlphaSystem('timing')
+
 system.cpu = cpu
-cpu.connectMemPorts(system.membus)
+#create the l1/l2 bus
+system.toL2Bus = Bus()
+
+#connect up the l2 cache
+system.l2c = L2(size='4MB', assoc=8)
+system.l2c.cpu_side = system.toL2Bus.port
+system.l2c.mem_side = system.membus.port
+
+#connect up the cpu and l1s
+cpu.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
+                            L1(size = '32kB', assoc = 4))
+# connect cpu level-1 caches to shared level-2 cache
+cpu.connectMemPorts(system.toL2Bus)
+cpu.clock = '2GHz'
 
 root = Root(system=system)
-m5.ticks.setGlobalFrequency('2GHz')
+m5.ticks.setGlobalFrequency('1THz')
+