adding streamin cache + fixing TEX cache + adding l1 latency and smem latency

1 files changed, 15 insertions, 12 deletions

diff --git a/configs/4.x-cfgs/SM6_TITANX/gpgpusim.config b/configs/4.x-cfgs/SM6_TITANX/gpgpusim.config
index 7368882..9ea7202 100644
--- a/configs/4.x-cfgs/SM6_TITANX/gpgpusim.config
+++ b/configs/4.x-cfgs/SM6_TITANX/gpgpusim.config
@@ -56,24 +56,29 @@
 -ptx_opcode_initiation_sfu 4
 -ptx_opcode_latency_sfu 8
 
+
+# latencies and cache configs are adopted from:
+# https://arxiv.org/pdf/1804.06826.pdf
 # <nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>:<set_index_fn>,<mshr>:<N>:<merge>,<mq>:**<fifo_entry>
 # ** Optional parameter - Required when mshr_type==Texture Fifo
 # Note: Hashing set index function (H) only applies to a set size of 32 or 64. 
-# Pascal GP102 has 96KB Shared memory
-# Pascal GP102 has 24KB L1 cache
-# The defulat is to disable the L1 cache, unless cache modifieres is used
--gpgpu_cache:dl1  S:32:128:6,L:L:f:N:H,A:256:8,16:0,32
--gpgpu_cache:dl1PrefL1  S:32:128:6,L:L:f:N:H,A:256:8,16:0,32
--gpgpu_cache:dl1PrefShared  S:32:128:6,L:L:f:N:H,A:256:8,16:0,32
+# Pascal GP102 has 96KB Shared memory divided over 2 cores, each has 48KB
+# Pascal GP102 has 2 banks L1 cache, where each is 24KB L1 cache
+# The defulat is to disable the L1 cache, unless cache modifieres are used
+-gpgpu_cache:dl1  S:48:128:4,L:L:s:N:H,A:256:8,16:0,32
+-gpgpu_cache:dl1PrefL1  S:48:128:4,L:L:s:N:H,A:256:8,16:0,32
+-gpgpu_cache:dl1PrefShared  S:48:128:4,L:L:s:N:H,A:256:8,16:0,32
 -gpgpu_shmem_size 49152
 -gpgpu_shmem_size_PrefL1 49152
 -gpgpu_shmem_size_PrefShared 49152
 -gmem_skip_L1D 1
 -icnt_flit_size 40
 -gpgpu_n_cluster_ejection_buffer_size 32
+-l1_latency 82
+-smem_latency 24
 
 # 64 sets, each 128 bytes 16-way for each memory sub partition (128 KB per memory sub partition). This gives 3MB L2 cache
--gpgpu_cache:dl2 S:64:128:16,L:B:m:L:L,A:128:4,16:0,32
+-gpgpu_cache:dl2 S:64:128:16,L:B:m:L:L,A:256:64,16:0,32
 -gpgpu_cache:dl2_texture_only 0 
 -gpgpu_dram_partition_queues 32:32:32:32
 -perf_sim_memcpy 0
@@ -81,8 +86,7 @@
 # 4 KB Inst.
 -gpgpu_cache:il1 N:8:128:4,L:R:f:N:L,S:2:48,4
 # 48 KB Tex 
-# this is unused
--gpgpu_tex_cache:l1 N:16:128:24,L:R:m:N:L,F:128:4,128:2
+-gpgpu_tex_cache:l1 N:16:128:24,L:R:m:N:L,T:128:4,128:2
 # 12 KB Const
 -gpgpu_const_cache:l1 N:128:64:2,L:R:f:N:L,S:2:64,4
 
@@ -99,7 +103,6 @@
 -gpgpu_operand_collector_num_out_ports_mem 1
 -gpgpu_operand_collector_num_in_ports_dp 1
 -gpgpu_operand_collector_num_out_ports_dp 1
-# gpgpu_num_reg_banks should be increased to 32
 -gpgpu_num_reg_banks 32
 
 # shared memory bankconflict detection 
@@ -118,7 +121,7 @@
 -inter_config_file config_fermi_islip.icnt
 
 # memory partition latency config 
--rop_latency 100
+-rop_latency 120
 -dram_latency 100
 
 # dram model config
@@ -128,7 +131,7 @@
 # To allow 100% DRAM utility, there should at least be enough buffer to sustain
 # the minimum DRAM latency (100 core cycles).  I.e. 
 #   Total buffer space required = 100 x 924MHz / 700MHz = 132
--gpgpu_frfcfs_dram_sched_queue_size 16
+-gpgpu_frfcfs_dram_sched_queue_size 64
 -gpgpu_dram_return_queue_size 240
 
 # for NVIDIA TITAN X, bus width is 384bits (12 DRAM chips x 32 bits)