blob: da3bd0812d6309613ee3c59a4d28f7eeeafcdf90 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#include "booksim.hpp"
#include "booksim_config.hpp"
BookSimConfig::BookSimConfig( )
{
_int_map["perfect_icnt"] = 0; // if set overrides fixed_lat_per_hop setting
_int_map["fixed_lat_per_hop"] = 0; // if set icnt is NOT simulated instead packets are sent into destination based on a fixed_lat_per_hop
_int_map["network_count"] = 2; // number of independent interconnection networks (if it is set to 2 then 2 identical networks are created: sh2mem and mem2shd )
_int_map["output_extra_latency"] = 0;
_int_map["use_map"] = 1;
_int_map["flit_size"] = 32;
//stats
_int_map["enable_link_stats"] = 0; // show output link and VC utilization stats
_int_map["MATLAB_OUTPUT"] = 0; // output data in MATLAB friendly format
_int_map["DISPLAY_LAT_DIST"] = 0; // distribution of packet latencies
_int_map["DISPLAY_HOP_DIST"] = 0; // distribution of hop counts
_int_map["DISPLAY_PAIR_LATENCY"] = 0; // avg. latency for each s-d pair
_int_map["input_buf_size"] = 0;
_int_map["ejection_buf_size"] = 0; // if left zero the simulator will use the vc_buf_size instead
_int_map["boundary_buf_size"] = 16;
//========================================================
// Network options
//========================================================
//==== Multi-node topology options =======================
AddStrField( "topology", "torus" );
_int_map["k"] = 8;
_int_map["n"] = 2;
AddStrField( "routing_function", "none" );
AddStrField( "selection_function", "random" );
_int_map["link_failures"] = 0;
_int_map["fail_seed"] = 0;
_int_map["wire_delay"] = 0;
//==== Single-node options ===============================
_int_map["in_ports"] = 5;
_int_map["out_ports"] = 5;
_int_map["voq"] = 0;
//========================================================
// Router options
//========================================================
//==== General options ===================================
AddStrField( "router", "iq" );
_int_map["output_delay"] = 0;
_int_map["credit_delay"] = 0;
_float_map["internal_speedup"] = 1.0;
//==== Input-queued ======================================
_int_map["num_vcs"] = 1;
_int_map["vc_buf_size"] = 4;
_int_map["vc_buffer_pool"] = 0;
_int_map["wait_for_tail_credit"] = 1; // reallocate a VC before a tail credit?
_int_map["hold_switch_for_packet"] = 0; // hold a switch config for the entire packet
_int_map["input_speedup"] = 1; // expansion of input ports into crossbar
_int_map["output_speedup"] = 1; // expansion of output ports into crossbar
_int_map["routing_delay"] = 0;
_int_map["vc_alloc_delay"] = 0;
_int_map["sw_alloc_delay"] = 0;
_int_map["st_prepare_delay"] = 0;
_int_map["st_final_delay"] = 0;
//==== Event-driven =====================================
_int_map["vct"] = 0;
//==== Allocators ========================================
AddStrField( "vc_allocator", "max_size" );
AddStrField( "sw_allocator", "max_size" );
_int_map["alloc_iters"] = 1;
//==== Traffic ========================================
AddStrField( "traffic", "uniform" );
_int_map["perm_seed"] = 0; // seed value for random perms
_float_map["injection_rate"] = 0.2;
_int_map["const_flits_per_packet"] = 1;
AddStrField( "injection_process", "bernoulli" );
_float_map["burst_alpha"] = 0.5; // burst interval
_float_map["burst_beta"] = 0.5; // burst length
AddStrField( "priority", "age" ); // message priorities
//==== Simulation parameters ==========================
// types:
// latency - average + latency distribution for a particular injection rate
// throughput - sustained throughput for a particular injection rate
AddStrField( "sim_type", "latency" );
_int_map["warmup_periods"] = 0; // number of samples periods to "warm-up" the simulation
_int_map["sample_period"] = 1000; // how long between measurements
_int_map["max_samples"] = 10; // maximum number of sample periods in a simulation
_float_map["latency_thres"] = 1000.0; // if avg. latency exceeds the threshold, assume unstable
_int_map["sim_count"] = 1; // number of simulations to perform
_int_map["auto_periods"] = 1; // non-zero for the simulator to automatically
// control the length of warm-up and the
// total length of the simulation
_int_map["include_queuing"] = 1; // non-zero includes source queuing latency
_int_map["reorder"] = 0;
_int_map["flit_timing"] = 0; // know what you're doing
_int_map["split_packets"] = 0;
_int_map["seed"] = 0;
}
|
