Upd

Author: haugboel

module5/Makefile

@@ -22,7 +22,7 @@ CXXFLAGS := $(INCLUDE) $(OPT) -Wall -march=native -g -std=c++17
 ACC := -acc=multicore -Minfo=acc
 
 # use on GPU for benchmarking and real tests of code
-#ACC := -acc -gpu=cuda11.6 -Minfo=acc
+#ACC := -acc -gpu=cuda12.6 -Minfo=acc
 
 .PHONY: clean all
 

module5/run_sw.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+
+# make sure stack size is unlimited
+ulimit -s unlimited
+
+# Startup CUDA Multi-Process Service
+mkdir -p /home/jovyan/mps
+export CUDA_MPS_LOG_DIRECTORY=/home/jovyan/mps
+nvidia-cuda-mps-control -d
+
+# Set current device to the correct value for MPS
+export CUDA_VISIBLE_DEVICES=0
+
+if [ "$#" -gt 2 ] || [ "$#" -eq 0 ]; then
+  echo "Usage: $0 <SM> <fill>"
+  echo "SM: number of streaming multiprocessors to run on. Has tp be 2, 4, 6, 8, 10, 12, or 14"
+  echo "fill: 0 - just launch one copy, 1 - launch as many copies of sw_parallel as can fit on the GPU (floor(14/SMs))"
+  # shutdown MPS service
+  echo quit | nvidia-cuda-mps-control
+  exit 1
+fi
+export SM=$1
+export FILL=0
+if [ "$#" -eq 2 ]; then
+  export FILL=$2
+fi
+
+case $SM in
+
+  2)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=15  #  2 SMs
+    if [ "$FILL" -eq 0 ]; then
+      ./sw_parallel
+    else
+      ./sw_parallel &
+      ./sw_parallel &
+      ./sw_parallel &
+      ./sw_parallel &
+      ./sw_parallel &
+      ./sw_parallel &
+      ./sw_parallel &
+      wait
+    fi;;
+
+  4)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=29  #  4 SMs
+    if [ "$FILL" -eq 0 ]; then
+      ./sw_parallel
+    else
+      ./sw_parallel &
+      ./sw_parallel &
+      ./sw_parallel &
+      wait
+    fi;;
+    
+  6)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=43  #  6 SMs
+    if [ "$FILL" -eq 0 ]; then
+      ./sw_parallel
+    else
+      ./sw_parallel &
+      ./sw_parallel &
+      wait
+    fi;;
+    
+  8)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=58  #  8 SMs
+    ./sw_parallel;;
+    
+  10)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=72  # 10 SMs
+    ./sw_parallel;;
+
+  12)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=86  # 12 SMs
+    ./sw_parallel;;
+
+  14)
+    export CUDA_MPS_ACTIVE_THREAD_PERCENTAGE=100 # 14 SMs
+    ./sw_parallel;;
+
+  *)
+    echo "Unknown value for SM = $SM"
+    echo "Valid values are 2, 4, 6, 8, 10, 12 or 14";;
+
+esac
+
+# shutdown MPS service
+echo quit | nvidia-cuda-mps-control