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Simon Boehm
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Mar 3, 2023
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#!/usr/bin/env bash | ||
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set -u | ||
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# Define the range of values for each parameter | ||
BK_VALUES=(8 16 32 64) | ||
BM_VALUES=(64 128 256) | ||
BN_VALUES=(64 128 256) | ||
WM_VALUES=(32 64 128 256) | ||
WN_VALUES=(32 64 128 256) | ||
WNITER_VALUES=(1 2 4 8) | ||
TM_VALUES=(4 8 16 32) | ||
TN_VALUES=(4 8 16 32) | ||
NUM_THREADS_VALUES=(128 256) | ||
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cd "$(dirname "$0")" | ||
cd "../build" | ||
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RUNNER="../src/runner.cu" | ||
OUTPUT="../benchmark_results/kernel_11_autotune_results.txt" | ||
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# Clear the output file | ||
echo "" > $OUTPUT | ||
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# Set GPU to use | ||
export DEVICE="0" | ||
WARPSIZE=32 | ||
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TOTAL_CONFIGS="$(( ${#BK_VALUES[@]} * ${#BM_VALUES[@]} * ${#BN_VALUES[@]} * ${#WM_VALUES[@]} * ${#WN_VALUES[@]} * ${#WNITER_VALUES[@]} * ${#TM_VALUES[@]} * ${#TN_VALUES[@]} * ${#NUM_THREADS_VALUES[@]} ))" | ||
CONFIG_NUM=0 | ||
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# Loop through all combinations of parameters | ||
for BK in "${BK_VALUES[@]}"; do | ||
for BM in "${BM_VALUES[@]}"; do | ||
for BN in "${BN_VALUES[@]}"; do | ||
for WM in "${WM_VALUES[@]}"; do | ||
for WN in "${WN_VALUES[@]}"; do | ||
for WN_ITER in "${WNITER_VALUES[@]}"; do | ||
for TM in "${TM_VALUES[@]}"; do | ||
for TN in "${TN_VALUES[@]}"; do | ||
for NUM_THREADS in "${NUM_THREADS_VALUES[@]}"; do | ||
echo "" | ||
CONFIG_NUM=$(( CONFIG_NUM + 1 )) | ||
# skip configurations that don't fullfil preconditions | ||
NUM_WARPS=$(( NUM_THREADS / 32 )) | ||
if ! (( BN % WN == 0 && BM % WM == 0 )); then | ||
echo "Error: BN % WN must be 0 and BM % WM must be 0." | ||
continue | ||
fi | ||
if ! (( (BN / WN) * (BM / WM) == NUM_WARPS )); then | ||
echo "Error: (BN / WN) * (BM / WM) must be equal to NUM_WARPS." | ||
continue | ||
fi | ||
if ! (( (WM * WN) % (WARPSIZE * TM * TN * WN_ITER) == 0 )); then | ||
echo "Error: (WM * WN) % (WARPSIZE * TM * TN * WN_ITER) must be 0." | ||
continue | ||
fi | ||
WM_ITER=$(( (WM * WN) / (WARPSIZE * TM * TN * WN_ITER) )) | ||
if ! (( WM % WM_ITER == 0 && WN % WN_ITER == 0 )); then | ||
echo "Error: WM % WM_ITER must be 0 and WN % WN_ITER must be 0." | ||
continue | ||
fi | ||
if ! (( (NUM_THREADS * 4) % BK == 0 )); then | ||
echo "Error: (NUM_THREADS * 4) % BK must be 0." | ||
continue | ||
fi | ||
if ! (( (NUM_THREADS * 4) % BN == 0 )); then | ||
echo "Error: (NUM_THREADS * 4) % BN must be 0." | ||
continue | ||
fi | ||
if ! (( BN % (16 * TN) == 0 )); then | ||
echo "Error: BN must be a multiple of 16 * TN." | ||
continue | ||
fi | ||
if ! (( BM % (16 * TM) == 0 )); then | ||
echo "Error: BM must be a multiple of 16 * TM." | ||
continue | ||
fi | ||
if ! (( (BM * BK) % (4 * NUM_THREADS) == 0 )); then | ||
echo "Error: (BM * BK) % (4 * NUM_THREADS) must be 0." | ||
continue | ||
fi | ||
if ! (( (BN * BK) % (4 * NUM_THREADS) == 0 )); then | ||
echo "Error: (BN * BK) % (4 * NUM_THREADS) must be 0." | ||
continue | ||
fi | ||
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# Update the parameters in the source code | ||
sed -i "s/const uint K11_NUM_THREADS = .*/const uint K11_NUM_THREADS = $NUM_THREADS;/" $RUNNER | ||
sed -i "s/const uint K11_BN = .*/const uint K11_BN = $BN;/" $RUNNER | ||
sed -i "s/const uint K11_BM = .*/const uint K11_BM = $BM;/" $RUNNER | ||
sed -i "s/const uint K11_BK = .*/const uint K11_BK = $BK;/" $RUNNER | ||
sed -i "s/const uint K11_WM = .*/const uint K11_WM = $WM;/" $RUNNER | ||
sed -i "s/const uint K11_WN = .*/const uint K11_WN = $WN;/" $RUNNER | ||
sed -i "s/const uint K11_WNITER = .*/const uint K11_WNITER = $WN_ITER;/" $RUNNER | ||
sed -i "s/const uint K11_TM = .*/const uint K11_TM = $TM;/" $RUNNER | ||
sed -i "s/const uint K11_TN = .*/const uint K11_TN = $TN;/" $RUNNER | ||
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# Rebuild the program | ||
make | ||
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echo "($CONFIG_NUM/$TOTAL_CONFIGS): BK=$BK BM=$BM BN=$BN WM=$WM WN=$WN WN_ITER=$WN_ITER TM=$TM TN=$TN NUM_THREADS=$NUM_THREADS" |& tee -a $OUTPUT | ||
# Run the benchmark and get the result | ||
# Kill the program after 8 seconds if it doesn't finish | ||
timeout -v 8 ./sgemm 11 | tee -a $OUTPUT | ||
done | ||
done | ||
done | ||
done | ||
done | ||
done | ||
done | ||
done | ||
done |