# Simple default config of a 4x4 mesh
# Each parameter is overwritten when corresponding command line value is set
#
# NOC & WIRED CONFIGURATION NOC基本设置
#
# Topologies:
#   MESH
#   BUTTERFLY
#   BASELINE
#   OMEGA
#
#   BUTTERFLY, BASELINE, and OMEGA are Delta Network topologies
# topology: MESH
# X and Y mesh sizes 以MESH方式排布的PE的数量
mesh_dim_x: 4 # 列数
mesh_dim_y: 4 # 行数
# number of flits for each router buffer 未知
buffer_depth: 4
# size of flits, in bits 每个包可以分成多个flit，每个flit的bit数
flit_size: 32
# lenght in mm of router to hub connection router到hub的距离
r2h_link_length: 2.0
# lenght in mm of router to router connection router到router的距离
r2r_link_length: 1.0
# 未知
n_virtual_channels: 1

# Routing algorithms:
#   XY
#   DELTA
#   WEST_FIRST
#   NORTH_LAST
#   NEGATIVE_FIRST
#   ODD_EVEN
#   DYAD
#   TABLE_BASED
# Each of the above labels should match a corresponding
# implementation in the routingAlgorithms source code directory
routing_algorithm: XY
routing_table_filename: ""

# Routing specific parameters
#   dyad_threshold: double dyad路由算法的参数
dyad_threshold: 0.6

# Selection Strategies:
#   RANDOM
#   BUFFER_LEVEL
#   NOP
# Each of the above labels should match a corresponding
# implementation in the selectionStrategies source code directory 未知
selection_strategy: RANDOM

#
# WIRELESS CONFIGURATION 无线通信相关，暂不考虑
#
Hubs:
    defaults:
    # channels from which Hub can receive/transmit
        rx_radio_channels: [0]
        tx_radio_channels: [0]
    # list of node tiles attached to the hub
        attached_nodes: []
    # size of buffers connecting the hub to tiles
        to_tile_buffer_size: 4
        from_tile_buffer_size: 4
    # size of antenna tx/rx
        rx_buffer_size: 4
        tx_buffer_size: 4

# for each hub, the same parameters specified above can be customized
# If not specified, the above default values will be used
# What is usually needed to be customized specifically for each hub is
# the set of nodes that are connected to it. In this simple topology
# we have 4 hubs (0-3) connected to the four nodes of the 2x2
# sub-meshes

    0:
      attached_nodes: [0,1,4,5]

    1:
      attached_nodes: [2,3,6,7]

    2:
      attached_nodes: [8,9,12,13]

    3:
      attached_nodes: [10,11,14,15]

# Transmission channels configuration
# each channel modelizes the transmission over a given frequency that
# can be used by a set of communicating hubs
RadioChannels:
    defaults:
    # data rate in Gb/s affect the number of cycles required for a
    # flit transmission
        data_rate: 16
    # bit error rate (CURRENTLY UNSUPPORTED)
        ber: [0, 0]
    # mac policies:

    # who has the token releas only when a complete packet has
    # been sent
        #[TOKEN_PACKET]

    # who has the token, release only after a fixed number of
    # cycles, even no transmission is occurring
        #[TOKEN_HOLD, num_hold_cycles]

    # who has the token, holds the packet until needed for
    # transmissions, until a max number of cycles is reached
        #[TOKEN_MAX_HOLD, max_hold_cycles]
        mac_policy: [TOKEN_PACKET]


# SIMULATION PARAMETERS 模拟器参数
#
# 每秒时钟周期数
clock_period_ps: 1000
# duration of reset signal assertion, expressed in cycles 未知
reset_time: 1000
# overal simulation lenght, expressed in cycles 模拟器运行的周期数
simulation_time: 10000
# collect stats after a given number of cycles 采集状态的间隔周期数
stats_warm_up_time: 1000
# power breakdown, nodes communication details 是否输出详细信息
detailed: false
# stop after a given amount of load has been processed 未知
max_volume_to_be_drained: 0
# 未知
show_buffer_stats: false

# Winoc
# enable wireless, when false, all wireless channel configuration is ignored 无线通信相关，暂不考虑
use_winoc: false
# experimental power saving strategy
use_wirxsleep: false

# Verbosity level:
#   VERBOSE_OFF
#   VERBOSE_LOW
#   VERBOSE_MEDIUM
#   VERBOSE_HIGH
verbose_mode: VERBOSE_OFF

# Trace
trace_mode: false
trace_filename: ""

min_packet_size: 8 # 每个packet的最小flit数
max_packet_size: 8 # 每个packet的最大flit数
packet_injection_rate: 0.01 # 未知
probability_of_retransmission: 0.01 # 未知

# Traffic distribution:
#   TRAFFIC_RANDOM
#   TRAFFIC_TRANSPOSE1
#   TRAFFIC_TRANSPOSE2
#   TRAFFIC_HOTSPOT
#   TRAFFIC_TABLE_BASED
#   TRAFFIC_BIT_REVERSAL
#   TRAFFIC_SHUFFLE
#   TRAFFIC_BUTTERFLY
traffic_distribution: TRAFFIC_RANDOM
# when traffic table based is specified, use the following
# configuration file
traffic_table_filename: "t.txt"