File size: 5,034 Bytes
575b0ec | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | import json
import subprocess
import sys
import time
from tdprm.queue import gpuq
def write_job(tmp, name, body):
p = tmp / f"{name}.sh"
p.write_text("#!/usr/bin/env bash\n" + body + "\n")
return str(p)
def test_queue_runs_dependencies_files_failures_and_pairs(tmp_path):
marker = tmp_path / "ckpt" / "READY"
seen = tmp_path / "seen.txt"
jobs = [
{"id": "a", "gpus": 1, "priority": 0, "deps": [],
"script": write_job(tmp_path, "a", f"echo a:$CUDA_VISIBLE_DEVICES >> {seen}; mkdir -p {marker.parent}; "
f"touch {marker}")},
{"id": "b", "gpus": 2, "priority": 1, "deps": ["a"],
"script": write_job(tmp_path, "b", f"echo b:$CUDA_VISIBLE_DEVICES >> {seen}")},
{"id": "c", "gpus": 1, "priority": 2, "deps": [f"file:{marker}"],
"script": write_job(tmp_path, "c", f"echo c:$TDPRM_GPU0 >> {seen}")},
{"id": "d", "gpus": 0, "priority": 0, "deps": [], "script": write_job(tmp_path, "d", "exit 3")},
{"id": "e", "gpus": 1, "priority": 0, "deps": ["d"], "script": write_job(tmp_path, "e", "echo never")},
]
plan = tmp_path / "plan.json"
plan.write_text(json.dumps({"jobs": jobs, "reservations": []}))
proc = subprocess.run([sys.executable, "-m", "tdprm.queue.gpuq", "run", "--plan", str(plan), "--gpus", "0,1",
"--poll", "0.2", "--max-retries", "0", "--max-used-mib", str(10**9)],
capture_output=True, text=True, timeout=60)
assert proc.returncode == 0, proc.stderr
state = json.loads((tmp_path / "plan.state.json").read_text())
assert [state[j]["status"] for j in "abcde"] == ["done", "done", "done", "failed", "blocked"]
lines = seen.read_text().split()
assert "b:0,1" in lines and any(x.startswith("a:") for x in lines) and any(x.startswith("c:") for x in lines)
def test_queue_auto_retries_a_failed_job_and_unblocks_dependents(tmp_path):
flag = tmp_path / "failed_once"
jobs = [{"id": "flaky", "gpus": 0, "priority": 0, "deps": [],
"script": write_job(tmp_path, "flaky", f"if [ -f {flag} ]; then exit 0; fi; touch {flag}; exit 1")},
{"id": "after", "gpus": 0, "priority": 1, "deps": ["flaky"], "script": write_job(tmp_path, "after", "exit 0")}]
plan = tmp_path / "plan.json"
plan.write_text(json.dumps({"jobs": jobs, "reservations": []}))
proc = subprocess.run([sys.executable, "-m", "tdprm.queue.gpuq", "run", "--plan", str(plan), "--gpus", "0",
"--poll", "0.2", "--max-retries", "1", "--retry-after", "0"],
capture_output=True, text=True, timeout=60)
assert proc.returncode == 0, proc.stderr
state = json.loads((tmp_path / "plan.state.json").read_text())
assert state["flaky"]["status"] == "done" and state["flaky"]["attempts"] == 1
assert state["after"]["status"] == "done"
def test_simulate_respects_reservations(tmp_path, capsys):
jobs = [{"id": "jev", "gpus": 1, "priority": 5, "deps": ["prep"], "est_hours": 2.0, "script": "x"},
{"id": "prep", "gpus": 0, "priority": 0, "deps": [], "est_hours": 0.5, "script": "x"},
{"id": "t1", "gpus": 1, "priority": 10, "deps": [], "est_hours": 3.0, "script": "x"},
{"id": "t2", "gpus": 1, "priority": 10, "deps": [], "est_hours": 3.0, "script": "x"}]
plan = tmp_path / "plan.json"
plan.write_text(json.dumps({"jobs": jobs, "reservations": [{"gpus": [1], "jobs": ["jev"]}]}))
class A:
pass
args = A()
args.plan, args.gpus, args.all, args.backfill_max_hours = str(plan), "0,1", True, 0.5
gpuq.simulate(args)
out = capsys.readouterr().out
# t1 takes GPU 0, GPU 1 is held for "jev" (starts at 0.5h), t2 waits until a GPU frees up.
assert "gpus=[1] jev" in out and "0.00h -> 3.00h gpus=[0] t1" in out
assert "2.50h -> 5.50h" in out
def test_after_dependency_waits_for_any_final_outcome(tmp_path):
"""`after:X` runs once X is finished for good (here: failed with no retries left), unlike a plain dep."""
seen = tmp_path / "seen.txt"
jobs = [{"id": "x", "gpus": 0, "priority": 0, "deps": [], "script": write_job(tmp_path, "x", "exit 1")},
{"id": "y", "gpus": 0, "priority": 1, "deps": ["after:x"],
"script": write_job(tmp_path, "y", f"echo y >> {seen}")},
{"id": "z", "gpus": 0, "priority": 1, "deps": ["x"], "script": write_job(tmp_path, "z", "exit 0")}]
plan = tmp_path / "plan.json"
plan.write_text(json.dumps({"jobs": jobs, "reservations": []}))
proc = subprocess.run([sys.executable, "-m", "tdprm.queue.gpuq", "run", "--plan", str(plan), "--gpus", "0",
"--poll", "0.2", "--max-retries", "0"], capture_output=True, text=True, timeout=60)
assert proc.returncode == 0, proc.stderr
state = json.loads((tmp_path / "plan.state.json").read_text())
assert [state[j]["status"] for j in "xyz"] == ["failed", "done", "blocked"] and seen.read_text() == "y\n"
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