diff options
| -rw-r--r-- | configs/Pascal-P102-GDDR5X/config_fermi_islip.icnt | 4 | ||||
| -rw-r--r-- | configs/Pascal-P102-GDDR5X/gpgpusim.config | 46 | ||||
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.cc | 3 | ||||
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.h | 1 |
4 files changed, 32 insertions, 22 deletions
diff --git a/configs/Pascal-P102-GDDR5X/config_fermi_islip.icnt b/configs/Pascal-P102-GDDR5X/config_fermi_islip.icnt index 602daee..58e596d 100644 --- a/configs/Pascal-P102-GDDR5X/config_fermi_islip.icnt +++ b/configs/Pascal-P102-GDDR5X/config_fermi_islip.icnt @@ -1,6 +1,6 @@ //21*1 fly with 32 flits per packet under gpgpusim injection mode use_map = 0; -flit_size = 32; +flit_size = 40; // currently we do not use this, see subnets below network_count = 2; @@ -17,7 +17,7 @@ routing_function = dest_tag; // Flow control num_vcs = 1; -vc_buf_size = 8; +vc_buf_size = 32; wait_for_tail_credit = 0; diff --git a/configs/Pascal-P102-GDDR5X/gpgpusim.config b/configs/Pascal-P102-GDDR5X/gpgpusim.config index 8b02680..36d13af 100644 --- a/configs/Pascal-P102-GDDR5X/gpgpusim.config +++ b/configs/Pascal-P102-GDDR5X/gpgpusim.config @@ -12,8 +12,9 @@ -gpgpu_ptx_save_converted_ptxplus 0 # high level architecture configuration +# P102 has two semi-indp scheds per core, and two cores per cluster -gpgpu_n_clusters 28 --gpgpu_n_cores_per_cluster 1 +-gpgpu_n_cores_per_cluster 2 -gpgpu_n_mem 12 -gpgpu_n_sub_partition_per_mchannel 2 @@ -24,20 +25,20 @@ -gpgpu_clock_domains 1417.0:2834.0:1417.0:2500.0 # shader core pipeline config --gpgpu_shader_registers 65536 +-gpgpu_shader_registers 32768 -# This implies a maximum of 64 warps/SM --gpgpu_shader_core_pipeline 2048:32 --gpgpu_shader_cta 32 +# This implies a maximum of 32 warps/SM +-gpgpu_shader_core_pipeline 1024:32 +-gpgpu_shader_cta 16 -gpgpu_simd_model 1 # Pipeline widths and number of FUs # ID_OC_SP,ID_OC_DP,ID_OC_SFU,ID_OC_MEM,OC_EX_SP,OC_EX_DP,OC_EX_SFU,OC_EX_MEM,EX_WB ## Pascal GP102 has 4 SP SIMD units and 4 SFU units ## we need to scale the number of pipeline registers to be equal to the number of SP units --gpgpu_pipeline_widths 4,1,4,1,4,1,4,1,9 --gpgpu_num_sp_units 4 --gpgpu_num_sfu_units 4 +-gpgpu_pipeline_widths 2,1,2,1,2,1,2,1,5 +-gpgpu_num_sp_units 2 +-gpgpu_num_sfu_units 2 -gpgpu_num_dp_units 1 @@ -51,7 +52,6 @@ -ptx_opcode_initiation_fp 1,2,1,1,4 -ptx_opcode_latency_dp 8,19,8,8,330 -ptx_opcode_initiation_dp 8,8,8,8,130 --ptx_opcode_latency_sfu 8 -ptx_opcode_initiation_sfu 4 # <nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>:<set_index_fn>,<mshr>:<N>:<merge>,<mq>:**<fifo_entry> @@ -60,13 +60,16 @@ # Pascal GP102 has 96KB Shared memory # Pascal GP102 has 64KB L1 cache # The defulat is to disable the L1 cache, unless cache modifieres is used --gpgpu_cache:dl1 64:128:6,L:L:m:N:H,S:128:8,8 --gpgpu_shmem_size 98304 +-gpgpu_cache:dl1 S:64:128:6,L:L:m:N:H,A:128:8,8 +-gpgpu_shmem_size 49152 -gmem_skip_L1D 1 +-icnt_flit_size 40 +-gpgpu_n_cluster_ejection_buffer_size 32 # 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:W:L,A:128:4,4:0,32 +-gpgpu_cache:dl2 S:64:128:16,L:B:m:F:L,A:256:4,4:0,32 -gpgpu_cache:dl2_texture_only 0 +-gpgpu_dram_partition_queues 32:32:32:32 # 4 KB Inst. -gpgpu_cache:il1 N:8:128:4,L:R:f:N:L,S:2:48,4 @@ -76,15 +79,14 @@ -gpgpu_const_cache:l1 N:128:64:2,L:R:f:N:L,S:2:64,4 # enable operand collector -## larger operand collectors and reg_banks are needed for the 4 warp schedulers and 4 SIMD units -gpgpu_operand_collector_num_units_sp 12 -gpgpu_operand_collector_num_units_sfu 6 -gpgpu_operand_collector_num_units_mem 8 -gpgpu_operand_collector_num_units_dp 6 --gpgpu_operand_collector_num_in_ports_sp 4 --gpgpu_operand_collector_num_out_ports_sp 4 --gpgpu_operand_collector_num_in_ports_sfu 4 --gpgpu_operand_collector_num_out_ports_sfu 4 +-gpgpu_operand_collector_num_in_ports_sp 2 +-gpgpu_operand_collector_num_out_ports_sp 2 +-gpgpu_operand_collector_num_in_ports_sfu 2 +-gpgpu_operand_collector_num_out_ports_sfu 2 -gpgpu_operand_collector_num_in_ports_mem 1 -gpgpu_operand_collector_num_out_ports_mem 1 -gpgpu_operand_collector_num_in_ports_dp 1 @@ -119,7 +121,7 @@ # the minimum DRAM latency (100 core cycles). I.e. # Total buffer space required = 100 x 924MHz / 700MHz = 132 -gpgpu_frfcfs_dram_sched_queue_size 64 --gpgpu_dram_return_queue_size 116 +-gpgpu_dram_return_queue_size 192 # for NVIDIA TITAN X, bus width is 384bits (12 DRAM chips x 32 bits) # 12 memory paritions, 4 bytes (1 DRAM chip) per memory partition @@ -136,8 +138,14 @@ -gpgpu_dram_timing_opt "nbk=16:CCD=2:RRD=6:RCD=12:RAS=28:RP=12:RC=40: CL=12:WL=4:CDLR=5:WR=12:nbkgrp=4:CCDL=3:RTPL=2" +-dram_bnk_indexing_policy 0 +-dram_bnkgrp_indexing_policy 1 + +#-Seperate_Write_Queue_Enable 1 +#-Write_Queue_Size 32:28:16 + # Pascal 102 has four schedulers per core --gpgpu_num_sched_per_core 4 +-gpgpu_num_sched_per_core 2 # Two Level Scheduler with active and pending pools #-gpgpu_scheduler two_level_active:6:0:1 # Loose round robbin scheduler diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc index 7838875..6179d46 100644 --- a/src/gpgpu-sim/gpu-sim.cc +++ b/src/gpgpu-sim/gpu-sim.cc @@ -207,6 +207,9 @@ void memory_config::reg_options(class OptionParser * opp) option_parser_register(opp, "-Write_Queue_Size", OPT_CSTR, &write_queue_size_opt, "Write_Queue_Size", "32:28:16"); + option_parser_register(opp, "-icnt_flit_size", OPT_UINT32, &icnt_flit_size, + "icnt_flit_size", + "32"); m_address_mapping.addrdec_setoption(opp); } diff --git a/src/gpgpu-sim/gpu-sim.h b/src/gpgpu-sim/gpu-sim.h index 197350b..52c4643 100644 --- a/src/gpgpu-sim/gpu-sim.h +++ b/src/gpgpu-sim/gpu-sim.h @@ -213,7 +213,6 @@ struct memory_config { m_L2_config.init(&m_address_mapping); m_valid = true; - icnt_flit_size = 32; // Default 32 sscanf(write_queue_size_opt,"%d:%d:%d", &gpgpu_frfcfs_dram_write_queue_size,&write_high_watermark,&write_low_watermark); |