Files
SmartEdgeAI/scripts/energy_post.py
Carlos Gutierrez 23364fa1f1 updating
2025-10-04 23:48:44 -04:00

68 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python3
import csv
import os
ROOT = "/home/carlos/projects/gem5"
OUT_DATA = os.path.join(ROOT, "gem5-data", "SmartEdgeAI", "results")
OUT_IOT = os.path.join(ROOT, "iot", "results")
src = os.path.join(OUT_DATA, "summary.csv")
dst_data = os.path.join(OUT_DATA, "summary_energy.csv")
dst_iot = os.path.join(OUT_IOT, "summary_energy.csv")
# Your model constants (document in Methods)
EPI_PJ = {"big": 200.0, "little": 80.0, "hybrid": 104.0}
E_MEM_PJ = 600.0
DROWSY_SCALE = 0.85
rows = []
if not os.path.exists(src):
print(f"[energy] ERROR: Source file {src} does not exist")
exit(1)
with open(src) as f:
r = csv.DictReader(f)
for row in r:
# Handle empty or invalid values
try:
insts = float(row["insts"]) if row["insts"] else 0.0
secs = float(row["sim_seconds"]) if row["sim_seconds"] else 0.0
mr = float(row["l2_miss_rate"]) if row["l2_miss_rate"] else 0.0
except (ValueError, TypeError):
print(f"[energy] WARNING: Invalid data in row: {row}")
insts = 0.0
secs = 0.0
mr = 0.0
core = row["core"]
drowsy = int(row["drowsy"]) if row["drowsy"] else 0
epi = EPI_PJ.get(core, EPI_PJ["little"])
l2_misses = mr * insts
energy = (epi * 1e-12) * insts + (E_MEM_PJ * 1e-12) * l2_misses
if drowsy == 1:
energy *= DROWSY_SCALE
power = energy / secs if secs > 0 else 0.0
edp = energy * secs
row.update(
{
"energy_J": f"{energy:.6f}",
"power_W": f"{power:.6f}",
"edp": f"{edp:.6e}",
"epi_model_pJ": f"{epi:.1f}",
}
)
rows.append(row)
if not rows:
print(f"[energy] ERROR: No data found in {src}")
exit(1)
for path in (dst_data, dst_iot):
with open(path, "w", newline="") as f:
w = csv.DictWriter(f, fieldnames=list(rows[0].keys()))
w.writeheader()
w.writerows(rows)
print(f"[energy] wrote {dst_data} and mirrored to {dst_iot}")