This commit is contained in:
Wassim KABALAN 2024-08-03 00:23:40 +02:00
parent 831291c1f9
commit ece8c93540
12 changed files with 210 additions and 170 deletions

View file

@ -10,13 +10,14 @@ size = jax.process_count()
import argparse
import time
from hpc_plotter.timer import Timer
import jax.numpy as jnp
import jax_cosmo as jc
import numpy as np
from cupy.cuda.nvtx import RangePop, RangePush
from diffrax import (ConstantStepSize, Dopri5, LeapfrogMidpoint, ODETerm,
PIDController, SaveAt, Tsit5, diffeqsolve)
from hpc_plotter.timer import Timer
from jax.experimental import mesh_utils
from jax.experimental.multihost_utils import sync_global_devices
from jax.sharding import Mesh, NamedSharding
@ -27,7 +28,6 @@ from jaxpm.painting import cic_paint_dx
from jaxpm.pm import linear_field, lpt, make_ode_fn
def run_simulation(mesh_shape,
box_size,
halo_size,
@ -69,7 +69,7 @@ def run_simulation(mesh_shape,
ode_fn = make_ode_fn(mesh_shape, halo_size=halo_size)
term = ODETerm(
lambda t, state, args: jnp.stack(ode_fn(state, t, args), axis=0))
if solver_choice == "Dopri5" or solver_choice == "Tsit5":
stepsize_controller = PIDController(rtol=1e-4, atol=1e-4)
elif solver_choice == "LeapfrogMidpoint" or solver_choice == "Euler":
@ -94,12 +94,18 @@ def run_simulation(mesh_shape,
# Warm start
chrono_fun = Timer()
RangePush("warmup")
final_field, stats = chrono_fun.chrono_jit(simulate, 0.32, 0.8 , ndarray_arg = 0)
final_field, stats = chrono_fun.chrono_jit(simulate,
0.32,
0.8,
ndarray_arg=0)
RangePop()
sync_global_devices("warmup")
for i in range(iterations):
RangePush(f"sim iter {i}")
final_field, stats = chrono_fun.chrono_fun(simulate, 0.32, 0.8 , ndarray_arg = 0)
final_field, stats = chrono_fun.chrono_fun(simulate,
0.32,
0.8,
ndarray_arg=0)
RangePop()
return final_field, stats, chrono_fun
@ -134,11 +140,13 @@ if __name__ == "__main__":
type=str,
help='Processor dimensions',
default=None)
parser.add_argument('-pr',
'--precision',
type=str,
help='Precision',
choices=["float32", "float64"],)
parser.add_argument(
'-pr',
'--precision',
type=str,
help='Precision',
choices=["float32", "float64"],
)
parser.add_argument('-hs',
'--halo_size',
type=int,
@ -173,7 +181,7 @@ if __name__ == "__main__":
type=int,
help='Number of nodes',
default=1)
args = parser.parse_args()
mesh_size = args.mesh_size
box_size = [args.box_size] * 3
@ -182,14 +190,14 @@ if __name__ == "__main__":
iterations = args.iterations
output_path = args.output_path
os.makedirs(output_path, exist_ok=True)
print(f"solver choice: {solver_choice}")
match solver_choice:
case "Dopri5" | "dopri5"| "d5":
case "Dopri5" | "dopri5" | "d5":
solver_choice = "Dopri5"
case "Tsit5"| "tsit5"| "t5":
case "Tsit5" | "tsit5" | "t5":
solver_choice = "Tsit5"
case "LeapfrogMidpoint"| "leapfrogmidpoint"| "lfm":
case "LeapfrogMidpoint" | "leapfrogmidpoint" | "lfm":
solver_choice = "LeapfrogMidpoint"
case "lpt":
solver_choice = "lpt"
@ -199,7 +207,7 @@ if __name__ == "__main__":
)
if args.precision == "float32":
jax.config.update("jax_enable_x64", False)
elif args.precision == "float64":
elif args.precision == "float64":
jax.config.update("jax_enable_x64", True)
if args.pdims:
@ -209,22 +217,26 @@ if __name__ == "__main__":
mesh_shape = [mesh_size] * 3
final_field , stats, chrono_fun = run_simulation(mesh_shape, box_size, halo_size, solver_choice, iterations, pdims)
print(f"shape of final_field {final_field.shape} and sharding spec {final_field.sharding} and local shape {final_field.addressable_data(0).shape}")
final_field, stats, chrono_fun = run_simulation(mesh_shape, box_size,
halo_size, solver_choice,
iterations, pdims)
print(
f"shape of final_field {final_field.shape} and sharding spec {final_field.sharding} and local shape {final_field.addressable_data(0).shape}"
)
metadata = {
'rank': rank,
'function_name': f'JAXPM-{solver_choice}',
'precision': args.precision,
'x': str(mesh_size),
'y': str(mesh_size),
'z': str(stats["num_steps"]),
'px': str(pdims[0]),
'py': str(pdims[1]),
'backend': 'NCCL',
'nodes': str(args.nodes)
}
'rank': rank,
'function_name': f'JAXPM-{solver_choice}',
'precision': args.precision,
'x': str(mesh_size),
'y': str(mesh_size),
'z': str(stats["num_steps"]),
'px': str(pdims[0]),
'py': str(pdims[1]),
'backend': 'NCCL',
'nodes': str(args.nodes)
}
# Print the results to a CSV file
chrono_fun.print_to_csv(f'{output_path}/jaxpm_benchmark.csv', **metadata)
@ -236,8 +248,8 @@ if __name__ == "__main__":
with open(f'{field_folder}/jaxpm.log', 'w') as f:
f.write(f"Args: {args}\n")
f.write(f"JIT time: {chrono_fun.jit_time:.4f} ms\n")
for i , time in enumerate(chrono_fun.times):
f.write(f"Time {i}: {time:.4f} ms\n")
for i, time in enumerate(chrono_fun.times):
f.write(f"Time {i}: {time:.4f} ms\n")
f.write(f"Stats: {stats}\n")
if args.save_fields:
np.save(f'{field_folder}/final_field_0_{rank}.npy',