I think it's Arabel. Both drivers are loaded (ib_mthca and mlx4_core). How do I tell which driver's settings I should modify?
What will be the max_mr value if log_num_mpt = 20? On Tue, Mar 11, 2008 at 6:26 AM, Tziporet Koren <[EMAIL PROTECTED]> wrote: > Rajouri Jammu wrote: > > The HCA I'm using reports max_mr = 131056. > > > > Our application needs large number of memory regions, much more than > > the 128K limit. > > > > Is there a way to increase this limit? > > I suppose it's bound by memory on the HCA. Is there an HCA that can > > use host memory to increase the number of MRs that can be supported. > > > Which HCA you are using? > In mlx4 and mthca drivers there are modules parameters to change the > amount of memory regions (by enlarging the number of MPTs and MTTs) > > for example: > mlx4: > log_num_mpt: log maximum number of memory protection table > entries per HCA (default is 17; max is 20) > log_num_mtt: log maximum number of memory translation table > segments per HCA (default is 20; max is 20) > > mthca: > num_mpt - maximum number of memory protection table > entries per HCA (int) > num_mtt - maximum number of memory translation table > segments per HCA (int) > > Tziporet > >
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