mirror of
https://github.com/luau-lang/luau.git
synced 2024-12-14 06:00:39 +00:00
109 lines
3.2 KiB
Bash
109 lines
3.2 KiB
Bash
#!/bin/bash
|
|
set -euo pipefail
|
|
IFS=$'\n\t'
|
|
|
|
declare -A event_map
|
|
event_map[Ir]="TotalInstructionsExecuted,executions\n"
|
|
event_map[I1mr]="L1_InstrReadCacheMisses,misses/op\n"
|
|
event_map[ILmr]="LL_InstrReadCacheMisses,misses/op\n"
|
|
event_map[Dr]="TotalMemoryReads,reads\n"
|
|
event_map[D1mr]="L1_DataReadCacheMisses,misses/op\n"
|
|
event_map[DLmr]="LL_DataReadCacheMisses,misses/op\n"
|
|
event_map[Dw]="TotalMemoryWrites,writes\n"
|
|
event_map[D1mw]="L1_DataWriteCacheMisses,misses/op\n"
|
|
event_map[DLmw]="LL_DataWriteCacheMisses,misses/op\n"
|
|
event_map[Bc]="ConditionalBranchesExecuted,executions\n"
|
|
event_map[Bcm]="ConditionalBranchMispredictions,mispredictions/op\n"
|
|
event_map[Bi]="IndirectBranchesExecuted,executions\n"
|
|
event_map[Bim]="IndirectBranchMispredictions,mispredictions/op\n"
|
|
|
|
now_ms() {
|
|
echo -n $(date +%s%N | cut -b1-13)
|
|
}
|
|
|
|
# Run cachegrind on a given benchmark and echo the results.
|
|
ITERATION_COUNT=$4
|
|
START_TIME=$(now_ms)
|
|
|
|
ARGS=( "$@" )
|
|
REST_ARGS="${ARGS[@]:4}"
|
|
|
|
valgrind \
|
|
--quiet \
|
|
--tool=cachegrind \
|
|
"$1" "$2" $REST_ARGS>/dev/null
|
|
|
|
ARGS=( "$@" )
|
|
REST_ARGS="${ARGS[@]:4}"
|
|
|
|
|
|
TIME_ELAPSED=$(bc <<< "$(now_ms) - ${START_TIME}")
|
|
|
|
# Generate report using cg_annotate and extract the header and totals of the
|
|
# recorded events valgrind was configured to record.
|
|
CG_RESULTS=$(cg_annotate $(ls -t cachegrind.out.* | head -1))
|
|
CG_HEADERS=$(grep -B2 'PROGRAM TOTALS$' <<< "$CG_RESULTS" | head -1 | sed -E 's/\s+/\n/g' | sed '/^$/d')
|
|
CG_TOTALS=$(grep 'PROGRAM TOTALS$' <<< "$CG_RESULTS" | head -1 | grep -Po '[0-9,]+\s' | tr -d ', ')
|
|
|
|
TOTALS_ARRAY=($CG_TOTALS)
|
|
HEADERS_ARRAY=($CG_HEADERS)
|
|
|
|
declare -A header_map
|
|
for i in "${!TOTALS_ARRAY[@]}"; do
|
|
header_map[${HEADERS_ARRAY[$i]}]=$i
|
|
done
|
|
|
|
# Map the results to the format that the benchmark script expects.
|
|
for i in "${!TOTALS_ARRAY[@]}"; do
|
|
TOTAL=${TOTALS_ARRAY[$i]}
|
|
|
|
# Labels and unit descriptions are packed together in the map.
|
|
EVENT_TUPLE=${event_map[${HEADERS_ARRAY[$i]}]}
|
|
IFS=$',' read -d '\n' -ra EVENT_VALUES < <(printf "%s" "$EVENT_TUPLE")
|
|
EVENT_NAME="${EVENT_VALUES[0]}"
|
|
UNIT="${EVENT_VALUES[1]}"
|
|
|
|
case ${HEADERS_ARRAY[$i]} in
|
|
I1mr | ILmr)
|
|
REF=${TOTALS_ARRAY[header_map["Ir"]]}
|
|
OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
|
|
;;
|
|
|
|
D1mr | DLmr)
|
|
REF=${TOTALS_ARRAY[header_map["Dr"]]}
|
|
OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
|
|
;;
|
|
|
|
D1mw | DLmw)
|
|
REF=${TOTALS_ARRAY[header_map["Dw"]]}
|
|
OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
|
|
;;
|
|
|
|
Bcm)
|
|
REF=${TOTALS_ARRAY[header_map["Bc"]]}
|
|
OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
|
|
;;
|
|
|
|
Bim)
|
|
REF=${TOTALS_ARRAY[header_map["Bi"]]}
|
|
OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
|
|
;;
|
|
|
|
*)
|
|
OPS_PER_SEC=$(bc -l <<< "$TOTAL")
|
|
;;
|
|
esac
|
|
|
|
STD_DEV="0%"
|
|
RUNS="1"
|
|
|
|
if [[ $OPS_PER_SEC =~ ^[+-]?[0-9]*$ ]]
|
|
then # $OPS_PER_SEC is integer
|
|
printf "%s#%s x %.0f %s ±%s (%d runs sampled)\n" \
|
|
"$3" "$EVENT_NAME" "$OPS_PER_SEC" "$UNIT" "$STD_DEV" "$RUNS"
|
|
else # $OPS_PER_SEC is float
|
|
printf "%s#%s x %.10f %s ±%s (%d runs sampled)\n" \
|
|
"$3" "$EVENT_NAME" "$OPS_PER_SEC" "$UNIT" "$STD_DEV" "$RUNS"
|
|
fi
|
|
|
|
done
|