task1

task1/scripts/build.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT_DIR"
+
+mkdir -p bin results
+
+CUDA_ARCH="${CUDA_ARCH:-sm_35}"
+
+module purge
+module load compiler/gcc/11
+module load nvidia/cuda/11.6u2
+
+nvcc \
+    -ccbin g++ \
+    -O3 \
+    -std=c++14 \
+    -lineinfo \
+    -arch="${CUDA_ARCH}" \
+    -o bin/linpack_cuda \
+    src/main.cu
+
+echo "Built: $ROOT_DIR/bin/linpack_cuda"

task1/scripts/run_cuda.slurm

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+#SBATCH --job-name=task1-cuda
+#SBATCH --partition=tornado-k40
+#SBATCH --nodes=1
+#SBATCH --ntasks=1
+#SBATCH --time=00:20:00
+#SBATCH --output=results/%x-%j.out
+#SBATCH --error=results/%x-%j.err
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT_DIR"
+
+mkdir -p results bin
+
+./scripts/build.sh
+
+echo "===== account info ====="
+whoami
+hostname
+date
+
+echo
+echo "===== slurm info ====="
+echo "SLURM_JOB_ID=${SLURM_JOB_ID:-unknown}"
+echo "SLURM_JOB_NAME=${SLURM_JOB_NAME:-unknown}"
+echo "SLURM_JOB_PARTITION=${SLURM_JOB_PARTITION:-unknown}"
+echo "SLURM_JOB_NUM_NODES=${SLURM_JOB_NUM_NODES:-unknown}"
+echo "SLURM_NODELIST=${SLURM_NODELIST:-unknown}"
+echo "CUDA_VISIBLE_DEVICES=${CUDA_VISIBLE_DEVICES:-unset}"
+scontrol show job "${SLURM_JOB_ID}" || true
+
+echo
+echo "===== node config ====="
+lscpu | sed -n '1,20p'
+if [ -n "${SLURMD_NODENAME:-}" ]; then
+    scontrol show node "${SLURMD_NODENAME}" || true
+fi
+nvidia-smi -L || true
+nvidia-smi || true
+
+echo
+echo "===== benchmark ====="
+./bin/linpack_cuda \
+    --start 1000 \
+    --step 500 \
+    --count 6 \
+    --eps 1e-6 \
+    --max-iters 15000 \
+    --threads 256 \
+    --repeat 3 \
+    --warmup 1 \
+    --csv "results/task1-cuda-${SLURM_JOB_ID}.csv"

task1/scripts/run_intel_linpack.slurm

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+#SBATCH --job-name=task1-intel-linpack
+#SBATCH --partition=tornado
+#SBATCH --nodes=1
+#SBATCH --ntasks=1
+#SBATCH --cpus-per-task=56
+#SBATCH --time=00:20:00
+#SBATCH --output=results/%x-%j.out
+#SBATCH --error=results/%x-%j.err
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT_DIR"
+
+mkdir -p results
+
+LINPACK_DIR="${LINPACK_DIR:-/linux/share/mkl/benchmarks/linpack}"
+LINPACK_INPUT="${LINPACK_INPUT:-lininput_xeon64}"
+
+if [ ! -x "${LINPACK_DIR}/xlinpack_xeon64" ]; then
+    echo "Intel LINPACK binary not found: ${LINPACK_DIR}/xlinpack_xeon64"
+    echo "If the path differs on the cluster, submit with:"
+    echo "sbatch --export=ALL,LINPACK_DIR=/path/to/linpack scripts/run_intel_linpack.slurm"
+    exit 1
+fi
+
+echo "===== account info ====="
+whoami
+hostname
+date
+
+echo
+echo "===== slurm info ====="
+echo "SLURM_JOB_ID=${SLURM_JOB_ID:-unknown}"
+echo "SLURM_JOB_NAME=${SLURM_JOB_NAME:-unknown}"
+echo "SLURM_JOB_PARTITION=${SLURM_JOB_PARTITION:-unknown}"
+echo "SLURM_JOB_NUM_NODES=${SLURM_JOB_NUM_NODES:-unknown}"
+echo "SLURM_NODELIST=${SLURM_NODELIST:-unknown}"
+echo "OMP_NUM_THREADS=${SLURM_CPUS_PER_TASK:-56}"
+scontrol show job "${SLURM_JOB_ID}" || true
+
+echo
+echo "===== node config ====="
+lscpu | sed -n '1,20p'
+if [ -n "${SLURMD_NODENAME:-}" ]; then
+    scontrol show node "${SLURMD_NODENAME}" || true
+fi
+
+echo
+echo "===== intel linpack ====="
+export OMP_NUM_THREADS="${SLURM_CPUS_PER_TASK:-56}"
+export MKL_NUM_THREADS="${SLURM_CPUS_PER_TASK:-56}"
+
+cd "${LINPACK_DIR}"
+./xlinpack_xeon64 "${LINPACK_INPUT}"