mirror of https://github.com/Jittor/Jittor
72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# ***************************************************************
|
|
# Copyright (c) 2020 Jittor. Authors:
|
|
# Guowei Yang <471184555@qq.com>
|
|
# Dun Liang <randonlang@gmail.com>.
|
|
# All Rights Reserved.
|
|
# This file is subject to the terms and conditions defined in
|
|
# file 'LICENSE.txt', which is part of this source code package.
|
|
# ***************************************************************
|
|
import unittest
|
|
import os, sys
|
|
import jittor as jt
|
|
import numpy as np
|
|
from jittor.test.test_mpi import run_mpi_test
|
|
|
|
mpi = jt.compile_extern.mpi
|
|
if mpi:
|
|
n = mpi.world_size()
|
|
|
|
@unittest.skipIf(mpi is None, "no inside mpirun")
|
|
class TestMpiOps(unittest.TestCase):
|
|
@classmethod
|
|
def setUpClass(self):
|
|
np.random.seed(0)
|
|
jt.seed(3)
|
|
|
|
def test_all_reduce(self):
|
|
x = jt.random([5, 5])
|
|
y = x.mpi_all_reduce()
|
|
assert np.allclose(y.data, (x*n).data)
|
|
g = jt.grad(y,x)
|
|
assert np.allclose(g.data, np.ones([5,5])*n)
|
|
|
|
def test_all_reduce_mean(self):
|
|
x = jt.random([5, 5])
|
|
y = x.mpi_all_reduce("mean")
|
|
assert np.allclose(y.data, x.data)
|
|
g = jt.grad(y,x)
|
|
assert np.allclose(g.data, np.ones([5,5]))
|
|
|
|
def test_broadcast(self):
|
|
data = jt.random([5, 5])
|
|
if mpi.world_rank() == 0:
|
|
x = data
|
|
else:
|
|
x = jt.zeros([5, 5])
|
|
y = x.mpi_broadcast(0)
|
|
assert np.allclose(y.data, data.data)
|
|
g = jt.grad(y,x)
|
|
if mpi.world_rank() == 0:
|
|
assert np.allclose(g.data, np.ones([5,5])*n)
|
|
else:
|
|
assert np.allclose(g.data, np.zeros([5,5]))
|
|
|
|
def test_reduce(self):
|
|
x = jt.random([5, 5])
|
|
y = x.mpi_reduce(root=0)
|
|
y.sync()
|
|
if mpi.world_rank() == 0:
|
|
assert np.allclose(y.data, (x*n).data)
|
|
else:
|
|
assert np.allclose(y.data, np.zeros([5,5]))
|
|
g = jt.grad(y,x)
|
|
assert np.allclose(g.data, np.ones([5,5]))
|
|
|
|
|
|
@unittest.skipIf(not jt.compile_extern.has_mpi, "no mpi found")
|
|
class TestMpiOpsEntry(unittest.TestCase):
|
|
def test(self):
|
|
run_mpi_test(2, "test_mpi_op")
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main() |