mirror of
https://github.com/TinyTapeout/tt-support-tools.git
synced 2026-11-03 04:36:09 +01:00
feat: reharden script
This commit is contained in:
Uri Shaked
+235
@@ -0,0 +1,235 @@
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#!/usr/bin/env python3
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import argparse
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import csv
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import datetime
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import glob
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import json
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import logging
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import os
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import re
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import sys
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from typing import List
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import git
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ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir))
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PROJECTS_DIR = os.path.join(ROOT, "projects")
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REHARDEN_DIR = os.path.join(ROOT, "reharden")
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def load_metrics(path):
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try:
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with open(os.path.join(path, "runs/wokwi/reports/metrics.csv")) as fh:
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metrics = next(csv.DictReader(fh))
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return metrics
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except FileNotFoundError:
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logging.warning(f"no metrics found for {path}")
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return None
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# get cell count from synth report
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def get_cell_count_from_synth(path):
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num_cells = 0
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try:
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yosys_report = (
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f"{path}/runs/wokwi/reports/synthesis/1-synthesis.AREA_0.stat.rpt"
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)
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with open(yosys_report) as fh:
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for line in fh.readlines():
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m = re.search(r"Number of cells:\s+(\d+)", line)
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if m is not None:
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num_cells = int(m.group(1))
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except IndexError:
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logging.warning(f"couldn't open yosys cell report for cell checking {path}")
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return 0
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except FileNotFoundError:
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logging.warning(f"no cell count found for {path}")
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return 0
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return num_cells
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def get_cell_counts_from_gl(path):
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cell_count = {}
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total = 0
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try:
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gl_path = glob.glob(
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os.path.join(path, "runs/wokwi/results/final/verilog/gl/*.nl.v")
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)[0]
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except IndexError:
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logging.warning("no gl cell count found")
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return 0
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with open(gl_path) as fh:
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for line in fh.readlines():
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m = re.search(r"sky130_(\S+)__(\S+)_(\d+)", line)
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if m is not None:
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total += 1
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cell_lib = m.group(1)
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cell_name = m.group(2)
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cell_drive = m.group(3)
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assert cell_lib in ["fd_sc_hd", "ef_sc_hd"]
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assert int(cell_drive) > 0
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try:
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cell_count[cell_name] += 1
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except KeyError:
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cell_count[cell_name] = 1
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return cell_count
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def build_metrics(shuttle_index):
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total_seconds = 0
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total_wire_length = 0
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total_wires_count = 0
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total_physical_cells = 0
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max_cells = 0
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min_cells = 1000
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max_cell_project = None
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max_util = 0
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min_util = 100
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max_util_project = None
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for project in shuttle_index["mux"]:
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macro: str = shuttle_index["mux"][project]["macro"]
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repo_dir = os.path.join(REHARDEN_DIR, macro)
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metrics = load_metrics(repo_dir)
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if metrics is None:
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continue
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try:
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dt = datetime.datetime.strptime(metrics["total_runtime"][:-3], "%Hh%Mm%Ss")
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except KeyError:
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continue
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delt = datetime.timedelta(hours=dt.hour, minutes=dt.minute, seconds=dt.second)
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total_seconds += delt.total_seconds()
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total_wire_length += int(metrics["wire_length"])
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total_wires_count += int(metrics["wires_count"])
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util = float(metrics["OpenDP_Util"])
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num_cells = get_cell_count_from_synth(repo_dir)
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total_physical_cells += num_cells
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if num_cells > max_cells:
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max_cells = num_cells
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max_cell_project = project
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if num_cells < min_cells:
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min_cells = num_cells
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if util > max_util:
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max_util = util
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max_util_project = project
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if util < min_util:
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min_util = util
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logging.info(f"build time for all projects {total_seconds / 3600} hrs")
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logging.info(f"total wire length {total_wire_length} um")
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logging.info(f"total cells {total_physical_cells}")
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logging.info(f"max cells {max_cells} for project {max_cell_project}")
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logging.info(f"min cells {min_cells}")
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logging.info(f"max util {max_util} for project {max_util_project}")
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logging.info(f"min util {min_util}")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="TT reharden tool")
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parser.add_argument(
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"--debug",
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help="debug logging",
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action="store_const",
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dest="loglevel",
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const=logging.DEBUG,
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default=logging.INFO,
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)
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parser.add_argument(
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"--clone", help="clone the repos", action="store_const", const=True
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)
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parser.add_argument(
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"--harden", help="harden the projects", action="store_const", const=True
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)
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parser.add_argument("--start-from", help="start from", type=int, default=0)
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parser.add_argument("--end-at", help="end at", type=int, default=100000)
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parser.add_argument("--build-metrics", action="store_const", const=True)
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args = parser.parse_args()
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# setup log
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log_format = logging.Formatter(
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"%(asctime)s - %(module)-10s - %(levelname)-8s - %(message)s"
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)
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# configure the client logging
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log = logging.getLogger("")
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# has to be set to debug as is the root logger
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log.setLevel(args.loglevel)
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# create console handler and set level to info
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ch = logging.StreamHandler(sys.stdout)
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# create formatter for console
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ch.setFormatter(log_format)
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log.addHandler(ch)
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shuttle_index = json.load(open("shuttle_index.json"))
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differences: List[str] = []
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for number, project in enumerate(shuttle_index["mux"]):
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if number < args.start_from:
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continue
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if number > args.end_at:
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continue
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repo = shuttle_index["mux"][project]["repo"]
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commit = shuttle_index["mux"][project]["commit"]
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macro = shuttle_index["mux"][project]["macro"]
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repo_dir = os.path.join(REHARDEN_DIR, macro)
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if args.clone:
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if not os.path.exists(repo_dir):
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logging.info(f"cloning {number :03} {repo}")
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git.Repo.clone_from(repo, repo_dir)
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cloned_repo = git.Repo(repo_dir)
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cloned_repo.git.submodule("update", "--init")
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cloned_repo.git.checkout(commit)
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# get tt tools setup.
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# can't run tt from another directory because gitpython fails
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# can't run symlinked because openlane fails
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# simple copy won't work because of tt is a submodule and not a standalone repo.
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tt_tools_path = os.path.join(repo_dir, "tt")
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if not os.path.exists(tt_tools_path):
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logging.info(f"cloning tt to {tt_tools_path}")
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git.Repo.clone_from("tt", tt_tools_path, depth=1)
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if args.harden:
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logging.info(f"hardening {number :03} {repo_dir}")
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cwd = os.getcwd()
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os.chdir(repo_dir)
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new_gds = f"runs/wokwi/results/final/gds/{macro}.gds"
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prev_commit = None
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if os.path.isfile("commit.txt"):
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with open("commit.txt", "r") as f:
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prev_commit = f.read().strip()
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if not os.path.exists(new_gds) or prev_commit != commit:
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os.system(f"tt/tt_tool.py --create-user-config > reharden.log")
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res = os.system(f"tt/tt_tool.py --harden --debug >> reharden.log")
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if res != 0:
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logging.warning(f"failed to harden {macro}")
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else:
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with open("commit.txt", "w") as f:
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f.write(commit)
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orig_gds = os.path.join(PROJECTS_DIR, f"{macro}/{macro}.gds")
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logging.info(f"Comparing {orig_gds} with {new_gds}")
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res = os.system(
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f"klayout -b -r tt/gds_compare.py -rd 'gds1={orig_gds}' -rd 'gds2={new_gds}'"
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)
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if res != 0:
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logging.warning(f"GDS compare failed for {macro}")
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differences.append(macro)
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os.chdir(cwd)
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if args.harden:
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print(f"Found total of {len(differences)} different projects: ")
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for diff in differences:
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print("- ", diff)
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if args.build_metrics:
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build_metrics(shuttle_index)
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