Scale test iterations independently (#6)

Author: tomerd

scripts/performance_test.sh

@@ -34,7 +34,8 @@ cleanup() {
 
 trap "cleanup" ERR
 
-iterations=1000
+cold_iterations=1000
+warm_iterations=10000
 results=()
 
 #------------------
@@ -55,24 +56,24 @@ kill -0 $server_pid # check server is alive
 echo "running $MODE mode cold test"
 cold=()
 export MAX_REQUESTS=1
-for (( i=0; i<$iterations; i++ )); do
+for (( i=0; i<$cold_iterations; i++ )); do
   start=$(gdate +%s%N)
   ./.build/release/SwiftAwsLambdaStringSample
   end=$(gdate +%s%N)
   cold+=( $(($end-$start)) )
 done
 sum_cold=$(IFS=+; echo "$((${cold[*]}))")
-avg_cold=$(($sum_cold/$iterations))
+avg_cold=$(($sum_cold/$cold_iterations))
 results+=( "$MODE, cold: $avg_cold (ns)" )
 
 # normal calls
 echo "running $MODE mode warm test"
-export MAX_REQUESTS=$iterations
+export MAX_REQUESTS=$warm_iterations
 start=$(gdate +%s%N)
 ./.build/release/SwiftAwsLambdaStringSample
 end=$(gdate +%s%N)
 sum_warm=$(($end-$start-$avg_cold)) # substract by avg cold since the first call is cold
-avg_warm=$(($sum_warm/($iterations-1))) # substract since the first call is cold
+avg_warm=$(($sum_warm/($warm_iterations-1))) # substract since the first call is cold
 results+=( "$MODE, warm: $avg_warm (ns)" )
 
 #------------------
@@ -93,24 +94,24 @@ kill -0 $server_pid # check server is alive
 echo "running $MODE mode cold test"
 cold=()
 export MAX_REQUESTS=1
-for (( i=0; i<$iterations; i++ )); do
+for (( i=0; i<$cold_iterations; i++ )); do
   start=$(gdate +%s%N)
   ./.build/release/SwiftAwsLambdaCodableSample
   end=$(gdate +%s%N)
   cold+=( $(($end-$start)) )
 done
 sum_cold=$(IFS=+; echo "$((${cold[*]}))")
-avg_cold=$(($sum_cold/$iterations))
+avg_cold=$(($sum_cold/$cold_iterations))
 results+=( "$MODE, cold: $avg_cold (ns)" )
 
 # normal calls
 echo "running $MODE mode warm test"
-export MAX_REQUESTS=$iterations
+export MAX_REQUESTS=$warm_iterations
 start=$(gdate +%s%N)
 ./.build/release/SwiftAwsLambdaCodableSample
 end=$(gdate +%s%N)
 sum_warm=$(($end-$start-$avg_cold)) # substract by avg cold since the first call is cold
-avg_warm=$(($sum_warm/($iterations-1))) # substract since the first call is cold
+avg_warm=$(($sum_warm/($warm_iterations-1))) # substract since the first call is cold
 results+=( "$MODE, warm: $avg_warm (ns)" )
 
 # print results