diff options
Diffstat (limited to 'configs/dram')
| -rw-r--r-- | configs/dram/sweep.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/configs/dram/sweep.py b/configs/dram/sweep.py index c1ee0ceca..9b7cfd35e 100644 --- a/configs/dram/sweep.py +++ b/configs/dram/sweep.py @@ -124,12 +124,16 @@ itt = system.mem_ctrls[0].tBURST.value * 1000000000000 # assume we start at 0 max_addr = mem_range.end +# use min of the page size and 512 bytes as that should be more than +# enough +max_stride = min(512, page_size) + # now we create the state by iterating over the stride size from burst -# size to min of the page size and 1 kB, and from using only a single -# bank up to the number of banks available +# size to the max stride, and from using only a single bank up to the +# number of banks available nxt_state = 0 for bank in range(1, nbr_banks + 1): - for stride_size in range(burst_size, min(1024, page_size) + 1, burst_size): + for stride_size in range(burst_size, max_stride + 1, burst_size): cfg_file.write("STATE %d %d DRAM 100 0 %d " "%d %d %d %d %d %d %d %d 1\n" % (nxt_state, period, max_addr, burst_size, itt, itt, 0, @@ -168,3 +172,6 @@ root.system.mem_mode = 'timing' m5.instantiate() m5.simulate(nxt_state * period) + +print "DRAM sweep with burst: %d, banks: %d, max stride: %d" % \ + (burst_size, nbr_banks, max_stride) |