# Unified model Simulation
## Simulation config and build
Build command and final config:

$ ./build_champsim.sh unified_model multi multi multi 1
...
ChampSim is successfully built
Branch Predictor: unified_model
L1D Prefetcher: multi
L2C Prefetcher: multi
LLC Prefetcher: multi
LLC Replacement: ship
Cores: 1
Binary: bin/unified_model-multi-multi-multi-ship-1core

`.ini` file:

 kFeatures = 7
 kHistoryBufSize = 16
 kBpBufSize = 256
 kPfBufSize = 30,10,6
 kModelPath = "small_.script.pth"
 kBinarizeThreshold = 0.5
 kPredictDegree = 3,3,3
 kBpSwitchingThreshold = 0.3
 kFlushOutputThreshold = 0.2
 kIncludeRuleBasedPred = false

**The config in `knobs.cc` must be modified before building.**

experiment file:
Only run unified model, othres were commented out

# configurations
BASE = --warmup_instructions=20000000 --simulation_instructions=100000000
NOPREF = --config=$(PYTHIA_HOME)/config/nopref.ini
STRIDE = --l2c_prefetcher_types=stride --config=$(PYTHIA_HOME)/config/stride.ini
SPP_DEV2 = --l2c_prefetcher_types=spp_dev2 --config=$(PYTHIA_HOME)/config/spp_dev2.ini
MLOP = --l2c_prefetcher_types=mlop --config=$(PYTHIA_HOME)/config/mlop.ini
BINGO = --l2c_prefetcher_types=bingo --config=$(PYTHIA_HOME)/config/bingo.ini
DSPATCH = --l2c_prefetcher_types=dspatch --config=$(PYTHIA_HOME)/config/dspatch.ini
SPP_PPF_DEV = --l2c_prefetcher_types=spp_ppf_dev --config=$(PYTHIA_HOME)/config/spp_ppf_dev.ini
PYTHIA = --l2c_prefetcher_types=scooby --config=$(PYTHIA_HOME)/config/pythia.ini
UNIFIED = --l1d_prefetcher_types=unified_l1d --l2c_prefetcher_types=unified_l2c --llc_prefetcher_types=unified_llc --config=$(PYTHIA_HOME)/config/unified_model.ini

#nopref						$(BASE) $(NOPREF)
#spp					    	$(BASE) $(SPP_DEV2)
#bingo					    $(BASE) $(BINGO)
#mlop					    $(BASE) $(MLOP)
#pythia						$(BASE) $(PYTHIA)
unified                     $(BASE) $(UNIFIED)

Since the simulation is too slow, `warmup_instructions` and `simulation_instructions` is changed to 1000000 and 5000000 respectively.
## `small_` model
run with command

$ ./parallel_sim.sh -b build/bin/unified_model-multi-multi-multi-ship-1core -t spec06_test.tlist -e experiments/google.exp -o small -j 8