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#!/usr/bin/env bash
set -euo pipefail
usage() {
echo "Usage: $0 <tag> <runs> <remote-chunk-directory> <chunk-size> [remote-log-prefix-base]"
echo
echo "Examples:"
echo " $0 VANILLA_1G 10 bins/1G 1M"
echo " $0 TRACE_5G 10 bins/5G 1M TRACE_5G"
}
if [[ $# -lt 4 || $# -gt 5 ]]; then
usage
exit 1
fi
TAG="$1"
RUNS="$2"
REMOTE_CHUNK_DIR="$3"
CHUNK_SIZE="$4"
REMOTE_PREFIX_BASE="${5:-${TAG}}"
SSH_KEY="$HOME/.ssh/id_ed25519"
REMOTE_HOST="ubuntu@143.248.53.46"
REMOTE_DIR="/home/ubuntu/siho-benchmark/compress"
# DPU-side PCI BDF.
DPU_PCI="03:00.0"
# DPU-side wrapper script.
DPU_SCRIPT="./run.sh"
TIMES_CSV="times_${TAG}.csv"
BW_CSV="bw_${TAG}.csv"
SSH_OPTS=(
-i "$SSH_KEY"
-n
-o BatchMode=yes
-o StrictHostKeyChecking=accept-new
)
echo "====="
echo "SIHO'S DOCA DECOMPRESS BENCHMARKING"
echo "SSH KEY LOCATION: $SSH_KEY"
echo "REMOTE HOST: $REMOTE_HOST"
echo "REMOTE DIR: $REMOTE_DIR"
echo "TAG: $TAG"
echo "DPU PCIE ADDRESS: $DPU_PCI"
echo "RUNS: $RUNS"
echo "REMOTE CHUNK DIR: $REMOTE_CHUNK_DIR"
echo "CHUNK SIZE: $CHUNK_SIZE"
echo "DPU SCRIPT: $DPU_SCRIPT"
echo "====="
echo "PROCEED (y/N)?"
read -r proceed
if [[ "${proceed:-}" != "y" ]]; then
echo "TERMINATING..."
exit 0
fi
for i in $(seq 1 "$RUNS"); do
echo "===== RUN $i/$RUNS ====="
RUN_LABEL="${REMOTE_PREFIX_BASE}_run_${i}"
echo "[dpu] Running decompressor through wrapper..."
if ! dpu_out="$(
ssh "${SSH_OPTS[@]}" "$REMOTE_HOST" \
"cd '$REMOTE_DIR' && sudo -n '$DPU_SCRIPT' '$REMOTE_PREFIX_BASE' '$DPU_PCI' '$REMOTE_CHUNK_DIR' '$CHUNK_SIZE' '$RUN_LABEL'" \
2>&1
)"; then
echo "ERROR: DPU decompressor failed"
echo "$dpu_out"
exit 1
fi
compressed_bytes="$(
awk '/^[[:space:]]*compressed_bytes:/ {print $2}' <<< "$dpu_out" | tail -n1
)"
bytes="$(
awk '/^[[:space:]]*bytes:/ {print $2}' <<< "$dpu_out" | tail -n1
)"
time_val="$(
awk '/^[[:space:]]*time:/ {print $2}' <<< "$dpu_out" | tail -n1
)"
time_unit="$(
awk '/^[[:space:]]*time:/ {print $3}' <<< "$dpu_out" | tail -n1
)"
bw_val="$(
awk '/^[[:space:]]*BW:/ {print $2}' <<< "$dpu_out" | tail -n1
)"
bw_unit="$(
awk '/^[[:space:]]*BW:/ {print $3}' <<< "$dpu_out" | tail -n1
)"
chunks="$(
awk '/^[[:space:]]*chunks:/ {print $2}' <<< "$dpu_out" | tail -n1
)"
if [[ -z "${bytes:-}" || -z "${time_val:-}" || -z "${bw_val:-}" ]]; then
echo "ERROR: failed to parse DPU output"
echo "$dpu_out"
exit 1
fi
# Convert time to usec.
case "$time_unit" in
usec) time_usec="$time_val" ;;
msec) time_usec="$(awk -v x="$time_val" 'BEGIN { printf "%.6f", x * 1000.0 }')" ;;
sec) time_usec="$(awk -v x="$time_val" 'BEGIN { printf "%.6f", x * 1000000.0 }')" ;;
nsec) time_usec="$(awk -v x="$time_val" 'BEGIN { printf "%.6f", x / 1000.0 }')" ;;
*) time_usec="$time_val" ;;
esac
# Convert bandwidth to KiB/s.
case "$bw_unit" in
KiB/s|KiBps) bw_kibps="$bw_val" ;;
MiB/s|MiBps) bw_kibps="$(awk -v x="$bw_val" 'BEGIN { printf "%.6f", x * 1024.0 }')" ;;
GiB/s|GiBps) bw_kibps="$(awk -v x="$bw_val" 'BEGIN { printf "%.6f", x * 1024.0 * 1024.0 }')" ;;
B/s|Bps) bw_kibps="$(awk -v x="$bw_val" 'BEGIN { printf "%.6f", x / 1024.0 }')" ;;
*) bw_kibps="$bw_val" ;;
esac
if [[ ! -f "$TIMES_CSV" ]]; then
echo "bytes,time_usec" > "$TIMES_CSV"
fi
if [[ ! -f "$BW_CSV" ]]; then
echo "bytes,bw_KiBps" > "$BW_CSV"
fi
echo "$bytes,$time_usec" >> "$TIMES_CSV"
echo "$bytes,$bw_kibps" >> "$BW_CSV"
echo "[result] chunks=${chunks:-N/A} compressed_bytes=${compressed_bytes:-N/A} bytes=$bytes time_usec=$time_usec bw_KiBps=$bw_kibps"
echo "===== RUN $i/$RUNS DONE ====="
done
echo "Wrote: $TIMES_CSV"
echo "Wrote: $BW_CSV"
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