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6a4b69c4fd8dff27147a07f0f8005f73e7be8398
gem5/src/mem
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Nikos Nikoleris 6a4b69c4fd mem: Add a header latency parameter to the XBar 
The XBar uses the concept of Layers to model throughput and
instantiates one Layer per master. As it forwards a packet to and from
master, the corresponding Layer is marked as occupied for a number of
cycles. Requests/responses to/from a master are blocked while the
corresponding Layer is occupied. Previously the delay would be
calculated based on the formula 1 + size / width, which assumes that
the Layer is always occupied for 1 cycle while processing the packet
header. This changes makes the header latency a parameter which
defaults to 1.

Change-Id: I12752ab4415617a94fbd8379bcd2ae8982f91fd8
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/30054
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Tested-by: kokoro <noreply+kokoro@google.com>
2020-06-15 12:57:52 +00:00
..
cache
arch,cpu,dev,sim,mem: Collect System thread elements into a subclass.
2020-06-09 23:37:29 +00:00
probes
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
protocol
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
qos
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
ruby
mem-ruby: Add a missing override.
2020-06-12 06:23:23 +00:00
slicc
misc: Merge hotfix v20.0.0.2 into develop
2020-06-08 15:27:51 -07:00
abstract_mem.cc
arch,cpu,dev,sim,mem: Collect System thread elements into a subclass.
2020-06-09 23:37:29 +00:00
abstract_mem.hh
mem: Support initializing a memory with an image file.
2020-04-16 23:43:08 +00:00
AbstractMemory.py
mem: Support initializing a memory with an image file.
2020-04-16 23:43:08 +00:00
addr_mapper.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
addr_mapper.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
AddrMapper.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
backdoor.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
bridge.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
bridge.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
Bridge.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
coherent_xbar.cc
mem: Add a header latency parameter to the XBar
2020-06-15 12:57:52 +00:00
coherent_xbar.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
comm_monitor.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
comm_monitor.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
CommMonitor.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
dram_ctrl.cc
mem: Defer deletion of respQueue.front() in DRAMCtrl
2020-05-11 15:42:28 +00:00
dram_ctrl.hh
mem: Modify DRAM controller for flexibility and new memories
2020-04-09 16:15:07 +00:00
DRAMCtrl.py
mem: Modify DRAM controller for flexibility and new memories
2020-04-09 16:15:07 +00:00
drampower.cc
mem: Modify DRAM controller for flexibility and new memories
2020-04-09 16:15:07 +00:00
drampower.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
dramsim2_wrapper.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
dramsim2_wrapper.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
dramsim2.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
dramsim2.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
DRAMSim2.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
external_master.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
external_master.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
external_slave.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
external_slave.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
ExternalMaster.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
ExternalSlave.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
hmc_controller.cc
misc: Make many includes explicit.
2020-06-03 19:42:46 +00:00
hmc_controller.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
HMCController.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_checker_monitor.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_checker_monitor.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_checker.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_checker.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_delay.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_delay.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_master.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
mem_object.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
MemChecker.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
MemDelay.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
MemObject.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
multi_level_page_table.hh
configs,arch,sim: Move fixFuncEventAddr into the Workload class.
2020-04-22 00:22:28 +00:00
noncoherent_xbar.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
noncoherent_xbar.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
packet_access.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
packet_queue.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
packet_queue.hh
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
packet.cc
mem-ruby: update memory interfaces to support GPU ISA
2020-06-09 20:00:13 +00:00
packet.hh
mem-ruby: update memory interfaces to support GPU ISA
2020-06-09 20:00:13 +00:00
page_table.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
page_table.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
physical.cc
misc,sim: Tagged API methods in sim/serialize.hh
2020-05-19 21:58:24 +00:00
physical.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
port_proxy.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
port_proxy.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
port.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
port.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
qport.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
request.hh
mem-ruby: update memory interfaces to support GPU ISA
2020-06-09 20:00:13 +00:00
SConscript
mem: Token port implementation
2020-04-30 20:51:56 +00:00
se_translating_port_proxy.cc
sim-se: Switch to new MemState API
2020-03-25 19:18:15 +00:00
se_translating_port_proxy.hh
mem: Default the SE translating port proxy alloc method to NextPage.
2020-06-09 10:02:26 +00:00
serial_link.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
serial_link.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
SerialLink.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
simple_mem.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
simple_mem.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
SimpleMemory.py
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
snoop_filter.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
snoop_filter.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
stack_dist_calc.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
stack_dist_calc.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
token_port.cc
mem: Token port implementation
2020-04-30 20:51:56 +00:00
token_port.hh
misc: Get gem5 to build with Clang 8
2020-05-13 01:55:35 +00:00
tport.cc
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
tport.hh
mem: Delete authors lists from mem files.
2020-02-17 21:51:08 +00:00
translating_port_proxy.cc
mem: Add a Request::Flags parameter to the translating port proxies.
2020-03-19 07:21:13 +00:00
translating_port_proxy.hh
mem: Add a Request::Flags parameter to the translating port proxies.
2020-03-19 07:21:13 +00:00
xbar.cc
mem: Add a header latency parameter to the XBar
2020-06-15 12:57:52 +00:00
xbar.hh
mem: Add a header latency parameter to the XBar
2020-06-15 12:57:52 +00:00
XBar.py
mem: Add a header latency parameter to the XBar
2020-06-15 12:57:52 +00:00