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#!/bin/bash
set -e
echo "prim-benchmarks STREAM microbenchmark (dfatool edition)"
echo "Started at $(date)"
echo "Revision $(git describe --always)"
# -i: input size (number of elements, not number of bytes!)
# Each DPU uses three buffers, each of which holds $i * sizeof($dt) bytes.
# With a total MRAM capacity of 64M, this gives us ~21M per buffer, or 16M when rounding down to the next power of two.
# With a maximum data type width of 8B (uint64_t, double), this limits the number of elements per DPU to 2097152.
for i in 2097152 1048576 131072 16384 4096; do
for dt in uint64_t uint8_t uint16_t uint32_t float double; do
for nr_dpus in 1 4 8 16 32 48 64; do
for nr_tasklets in 1 8 12 16; do
for op in triad scale add copy copyw; do
# BL: use 2^(BL) B blocks for MRAM <-> WRAM transfers on PIM module
# Our largest data type holds 8B, so the minimum block size is 3.
# From a performance perspective, 8 to 10 is usually best for sequential operations.
for bl in 3 4 5 6 8 10; do
echo
if make -B OP=${op} NR_DPUS=${nr_dpus} NR_TASKLETS=${nr_tasklets} BL=${bl} T=${dt} UNROLL=1 WITH_ALLOC_OVERHEAD=1 WITH_LOAD_OVERHEAD=1 WITH_FREE_OVERHEAD=1 \
|| make -B OP=${op} NR_DPUS=${nr_dpus} NR_TASKLETS=${nr_tasklets} BL=${bl} T=${dt} UNROLL=0 WITH_ALLOC_OVERHEAD=1 WITH_LOAD_OVERHEAD=1 WITH_FREE_OVERHEAD=1; then
# -w: number of un-timed warmup iterations
# -e: number of timed iterations
timeout --foreground -k 1m 30m bin/host_code -w 0 -e 100 -i $i -x 0 || true
fi
done
done
done
done
done
done
echo "Completed at $(date)"
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