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Issue #19886: Use better estimated memory requirements for bigmem tests.

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Incorrect requirements can cause memory swapping.
This commit is contained in:
Serhiy Storchaka 2014-01-10 13:37:54 +02:00
parent f451112413
commit 4847e4e1f4
6 changed files with 20 additions and 28 deletions
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12
Lib/test/pickletester.py
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@ -19,8 +19,6 @@ from pickle import bytes_types
# kind of outer loop.
protocols = range(pickle.HIGHEST_PROTOCOL + 1)
ascii_char_size = 1
# Return True if opcode code appears in the pickle, else False.
def opcode_in_pickle(code, pickle):
@ -1331,7 +1329,7 @@ class BigmemPickleTests(unittest.TestCase):
# Binary protocols can serialize longs of up to 2GB-1
@bigmemtest(size=_2G, memuse=1 + 1, dry_run=False)
@bigmemtest(size=_2G, memuse=3.6, dry_run=False)
def test_huge_long_32b(self, size):
data = 1 << (8 * size)
try:
@ -1347,7 +1345,7 @@ class BigmemPickleTests(unittest.TestCase):
# (older protocols don't have a dedicated opcode for bytes and are
# too inefficient)
@bigmemtest(size=_2G, memuse=1 + 1, dry_run=False)
@bigmemtest(size=_2G, memuse=2.5, dry_run=False)
def test_huge_bytes_32b(self, size):
data = b"abcd" * (size // 4)
try:
@ -1363,7 +1361,7 @@ class BigmemPickleTests(unittest.TestCase):
finally:
data = None
@bigmemtest(size=_4G, memuse=1 + 1, dry_run=False)
@bigmemtest(size=_4G, memuse=2.5, dry_run=False)
def test_huge_bytes_64b(self, size):
data = b"a" * size
try:
@ -1378,7 +1376,7 @@ class BigmemPickleTests(unittest.TestCase):
# All protocols use 1-byte per printable ASCII character; we add another
# byte because the encoded form has to be copied into the internal buffer.
@bigmemtest(size=_2G, memuse=2 + ascii_char_size, dry_run=False)
@bigmemtest(size=_2G, memuse=8, dry_run=False)
def test_huge_str_32b(self, size):
data = "abcd" * (size // 4)
try:
@ -1395,7 +1393,7 @@ class BigmemPickleTests(unittest.TestCase):
# BINUNICODE (protocols 1, 2 and 3) cannot carry more than
# 2**32 - 1 bytes of utf-8 encoded unicode.
@bigmemtest(size=_4G, memuse=1 + ascii_char_size, dry_run=False)
@bigmemtest(size=_4G, memuse=8, dry_run=False)
def test_huge_str_64b(self, size):
data = "a" * size
try: