fixing ead/write buffer and new configs files

1 files changed, 15 insertions, 2 deletions

diff --git a/src/gpgpu-sim/addrdec.cc b/src/gpgpu-sim/addrdec.cc
index cfd90ec..e7e27b7 100644
--- a/src/gpgpu-sim/addrdec.cc
+++ b/src/gpgpu-sim/addrdec.cc
@@ -132,7 +132,7 @@ void linear_to_raw_address_translation::addrdec_tlx(new_addr_type addr, addrdec_
 				chip[0] = a[13]^a[12]^a[11]^a[10]^a[9]^a[6]^a[5]^a[3]^a[0]^chip[0];
 				chip[1] = a[14]^a[13]^a[12]^a[11]^a[10]^a[7]^a[6]^a[4]^a[1]^chip[1];
 				chip[2] = a[14]^a[10]^a[9]^a[8]^a[7]^a[6]^a[3]^a[2]^a[0]^chip[2];
-				chip[3] = a[11]^a[10]^a[9]^a[8]^a[7]^a[4]^a[3]^a[1]^chip[3]; 
+				chip[3] = a[11]^a[10]^a[9]^a[8]^a[7]^a[4]^a[3]^a[1]^chip[3];
 				chip[4] = a[12]^a[11]^a[10]^a[9]^a[8]^a[5]^a[4]^a[2]^chip[4];
 				tlx->chip = chip.to_ulong();
 				
@@ -144,8 +144,21 @@ void linear_to_raw_address_translation::addrdec_tlx(new_addr_type addr, addrdec_
 			assert(tlx->chip < m_n_channel);
 			break;
 		case CUSTOM:
-			/* No custom set function implemented */
+		{
+			//random selected bits
+			//do you custom hashing function here, similar to
+			//Liu, Yuxi, et al. "Get Out of the Valley: Power-Efficient Address Mapping for GPUs." ISCA 2018
+			std::bitset<64> b(tlx->row);
+			std::bitset<5> chip(tlx->chip);
+			chip[0] = b[13]^b[10]^b[9]^b[5]^b[0]^chip[0];
+			chip[1] = b[12]^b[11]^b[6]^b[1]^chip[1];
+			chip[2] = b[14]^b[9]^b[8]^b[7]^b[2]^chip[2];
+			chip[3] = b[11]^b[10]^b[8]^b[3]^chip[3];
+			chip[4] = b[12]^b[9]^b[8]^b[5]^b[4]^chip[4];
+			tlx->chip = chip.to_ulong();
+			assert(tlx->chip < m_n_channel);
 			break;
+		}
 		default:
 			 assert("\nUndefined set index function.\n" && 0);
 			 break;