Re: [gem5-users] Simulating a multi-ported XBar-cache connection

2017-02-14 Thread Jason Lowe-Power
Hi Subhankar, You can increase the width of the crossbar. Though, I believe after 64B increasing the width does not make a difference. You could also increase the clock rate of the crossbar (e.g., 2X the cache clock) to simulate a multi-ported crossbar. Finally, you could add a new crossbar model,

[gem5-users] Simulating a multi-ported XBar-cache connection

2017-02-14 Thread Subhankar Pal
Hi all, I am trying to build a hierarchy of caches and tester CPUs using memtest (configs/examples/memtest.py) as my reference. I am able to connect regular XBars and caches normally, but I want an *N*-ported connection between a cache and a XBar (i.e. *N* simultaneous requests should be able to g

[gem5-users] Simulating a multi-ported XBar-cache connection

2017-02-13 Thread Subhankar Pal
Hi all, I am trying to build a hierarchy of caches and tester CPUs using memtest (configs/examples/memtest.py) as my reference. I am able to connect regular XBars and caches normally, but I want an *N*-ported connection between a cache and a XBar (i.e. *N* simultaneous requests should be able to g