Re: [Gems-users] FILE_SPECIFIED interconnects

[Niket Agarwal <niketa@xxxxxxxxxxxxx>]

In the FILE_SPECIFIED topology, you can specify any arbitrary topology using links. int_node specifies routers and ext_node specifies node like caches, memory. The lines in the file specifies links. 

The topology that this file is creating looks like a hierarchical connection. But you can create any topology that you wish. 

Cheers, 

NIket 

On Apr 3, 2009, at 9:43 PM, Shoaib Altaf wrote:

 

Hi,

I am trying to understand the interconnects  for FILE_SPECIFIED option, specified in the ../simple/Network_Files .

 

For the file 'NUCA_Procs-16_ProcsPerChip-4_L2Banks-16_Memories-16.txt'. I am unable to understand which topology is followed in the file???

Another confusion is that since their should be 4 processors in my chip then why their are 5 links there??? i.e.
int_node:0 int_node:1 link_latency:1 bw_multiplier:16
int_node:1 int_node:4 link_latency:1 bw_multiplier:16
int_node:4 int_node:3 link_latency:1 bw_multiplier:16
int_node:3 int_node:2 link_latency:1 bw_multiplier:16
int_node:5 int_node:4 link_latency:1 bw_multiplier:16

############################################################
processors:16
procs_per_chip:4
L2banks:16
memories:16
bw_unit:1000

ext_node:L1Cache:0 int_node:0 link_latency:1 bw_multiplier:64
ext_node:L1Cache:1 int_node:1 link_latency:1 bw_multiplier:64
ext_node:L1Cache:2 int_node:2 link_latency:1 bw_multiplier:64
ext_node:L1Cache:3 int_node:3 link_latency:1 bw_multiplier:64
ext_node:L2Cache:0 int_node:0 link_latency:1 bw_multiplier:64
ext_node:L2Cache:1 int_node:1 link_latency:1 bw_multiplier:64
ext_node:L2Cache:2 int_node:2 link_latency:1 bw_multiplier:64
ext_node:L2Cache:3 int_node:3 link_latency:1 bw_multiplier:64
ext_node:Directory:0 int_node:6 link_latency:20 bw_multiplier:10
ext_node:Directory:1 int_node:6 link_latency:20 bw_multiplier:10
ext_node:Directory:2 int_node:6 link_latency:20 bw_multiplier:10
ext_node:Directory:3 int_node:6 link_latency:20 bw_multiplier:10
int_node:0 int_node:1 link_latency:1 bw_multiplier:16
int_node:1 int_node:4 link_latency:1 bw_multiplier:16
int_node:4 int_node:3 link_latency:1 bw_multiplier:16
int_node:3 int_node:2 link_latency:1 bw_multiplier:16
int_node:5 int_node:4 link_latency:1 bw_multiplier:16
int_node:5 int_node:6 link_latency:20 bw_multiplier:10

int_node:5 int_node:12 link_latency:20 bw_multiplier:10
int_node:5 int_node:19 link_latency:20 bw_multiplier:10

Regards
Muhammad Shoaib

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