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Commit30f49d9

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Revise docstrings/comments in performance tests
1 parentbffc537 commit30f49d9

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3 files changed

+36
-32
lines changed

3 files changed

+36
-32
lines changed

‎test/performance/test_commit.py‎

Lines changed: 11 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,10 @@
1-
# test_performance.py
21
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
32
#
43
# This module is part of GitPython and is released under
54
# the BSD License: https://opensource.org/license/bsd-3-clause/
5+
6+
"""Performance tests for commits (iteration, traversal, and serialization)."""
7+
68
fromioimportBytesIO
79
fromtimeimporttime
810
importsys
@@ -19,7 +21,7 @@ def tearDown(self):
1921

2022
gc.collect()
2123

22-
# ref with about 100 commits in its history
24+
# ref with about 100 commits in its history.
2325
ref_100="0.1.6"
2426

2527
def_query_commit_info(self,c):
@@ -36,9 +38,9 @@ def test_iteration(self):
3638
no=0
3739
nc=0
3840

39-
#find the first commit containing the given path - alwaysdo a full
40-
#iteration (restricted to the path in question ), but in fact it should
41-
#return quite a lot ofcommits, we just take one and hence abort the operation
41+
#Find the first commit containing the given path. Alwaysdo a full iteration
42+
#(restricted to the path in question). This should return quite a lot of
43+
# commits. We just take one and hence abort the operation.
4244

4345
st=time()
4446
forcinself.rorepo.iter_commits(self.ref_100):
@@ -57,7 +59,7 @@ def test_iteration(self):
5759
)
5860

5961
deftest_commit_traversal(self):
60-
#bound to cat-file parsing performance
62+
#Bound to cat-file parsing performance.
6163
nc=0
6264
st=time()
6365
forcinself.gitrorepo.commit().traverse(branch_first=False):
@@ -71,7 +73,7 @@ def test_commit_traversal(self):
7173
)
7274

7375
deftest_commit_iteration(self):
74-
#bound to stream parsing performance
76+
#Bound to stream parsing performance.
7577
nc=0
7678
st=time()
7779
forcinCommit.iter_items(self.gitrorepo,self.gitrorepo.head):
@@ -89,8 +91,8 @@ def test_commit_serialization(self):
8991

9092
rwrepo=self.gitrwrepo
9193
make_object=rwrepo.odb.store
92-
#direct serialization - deserialization can be tested afterwards
93-
#serialization is probably limited on IO
94+
#Direct serialization - deserialization can be tested afterwards.
95+
#Serialization is probably limited on IO.
9496
hc=rwrepo.commit(rwrepo.head)
9597

9698
nc=5000

‎test/performance/test_odb.py‎

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,5 @@
1-
"""Performance tests for object store"""
1+
"""Performance tests for object store."""
2+
23
importsys
34
fromtimeimporttime
45

@@ -24,7 +25,7 @@ def test_random_access(self):
2425
results[0].append(elapsed)
2526

2627
# GET TREES
27-
#walk all trees of all commits
28+
#Walk all trees of all commits.
2829
st=time()
2930
blobs_per_commit= []
3031
nt=0
@@ -35,7 +36,7 @@ def test_random_access(self):
3536
nt+=1
3637
ifitem.type=="blob":
3738
blobs.append(item)
38-
#direct access for speed
39+
#Direct access for speed.
3940
# END while trees are there for walking
4041
blobs_per_commit.append(blobs)
4142
# END for each commit
@@ -75,7 +76,7 @@ def test_random_access(self):
7576
results[2].append(elapsed)
7677
# END for each repo type
7778

78-
#final results
79+
#Final results.
7980
fortest_name,a,binresults:
8081
print(
8182
"%s: %f s vs %f s, pure is %f times slower"% (test_name,a,b,b/a),

‎test/performance/test_streams.py‎

Lines changed: 20 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,5 @@
1-
"""Performance data streaming performance"""
1+
"""Performance tests for data streaming."""
2+
23
importos
34
importsubprocess
45
importsys
@@ -15,13 +16,13 @@
1516

1617

1718
classTestObjDBPerformance(TestBigRepoR):
18-
large_data_size_bytes=1000*1000*10#some MiB should do it
19-
moderate_data_size_bytes=1000*1000*1#just 1 MiB
19+
large_data_size_bytes=1000*1000*10#Some MiB should do it.
20+
moderate_data_size_bytes=1000*1000*1#Just 1 MiB.
2021

2122
@with_rw_repo("HEAD",bare=True)
2223
deftest_large_data_streaming(self,rwrepo):
23-
# TODO: This part overlaps with the same file in gitdb.test.performance.test_stream
24-
# It should be shared if possible
24+
# TODO: This part overlaps with the same file in gitdb.test.performance.test_stream.
25+
# It should be shared if possible.
2526
ldb=LooseObjectDB(osp.join(rwrepo.git_dir,"objects"))
2627

2728
forrandomizeinrange(2):
@@ -32,7 +33,7 @@ def test_large_data_streaming(self, rwrepo):
3233
elapsed=time()-st
3334
print("Done (in %f s)"%elapsed,file=sys.stderr)
3435

35-
#writing - due to the compression it will seem faster than it is
36+
#Writing - due to the compression it will seem faster than it is.
3637
st=time()
3738
binsha=ldb.store(IStream("blob",size,stream)).binsha
3839
elapsed_add=time()-st
@@ -45,7 +46,7 @@ def test_large_data_streaming(self, rwrepo):
4546
msg%= (size_kib,fsize_kib,desc,elapsed_add,size_kib/elapsed_add)
4647
print(msg,file=sys.stderr)
4748

48-
#reading all at once
49+
#Reading all at once.
4950
st=time()
5051
ostream=ldb.stream(binsha)
5152
shadata=ostream.read()
@@ -57,7 +58,7 @@ def test_large_data_streaming(self, rwrepo):
5758
msg%= (size_kib,desc,elapsed_readall,size_kib/elapsed_readall)
5859
print(msg,file=sys.stderr)
5960

60-
#reading in chunks of 1 MiB
61+
#Reading in chunks of 1 MiB.
6162
cs=512*1000
6263
chunks= []
6364
st=time()
@@ -86,7 +87,7 @@ def test_large_data_streaming(self, rwrepo):
8687
file=sys.stderr,
8788
)
8889

89-
# del db file so git has something to do
90+
# del db file so git has something to do.
9091
ostream=None
9192
importgc
9293

@@ -95,34 +96,34 @@ def test_large_data_streaming(self, rwrepo):
9596

9697
# VS. CGIT
9798
##########
98-
# CGIT! Can using the cgit programs be faster?
99+
# CGIT! Can using the cgit programs be faster?
99100
proc=rwrepo.git.hash_object("-w","--stdin",as_process=True,istream=subprocess.PIPE)
100101

101-
#write file - pump everything in at once to be a fast as possible
102-
data=stream.getvalue()#cache it
102+
#Write file - pump everything in at once to be a fast as possible.
103+
data=stream.getvalue()#Cache it.
103104
st=time()
104105
proc.stdin.write(data)
105106
proc.stdin.close()
106107
gitsha=proc.stdout.read().strip()
107108
proc.wait()
108109
gelapsed_add=time()-st
109110
deldata
110-
assertgitsha==bin_to_hex(binsha)#we do it the same way, right?
111+
assertgitsha==bin_to_hex(binsha)#We do it the same way, right?
111112

112-
# as itsthe same sha, we reuse our path
113+
#As it'sthe same sha, we reuse our path.
113114
fsize_kib=osp.getsize(db_file)/1000
114115
msg="Added %i KiB (filesize = %i KiB) of %s data to using git-hash-object in %f s ( %f Write KiB / s)"
115116
msg%= (size_kib,fsize_kib,desc,gelapsed_add,size_kib/gelapsed_add)
116117
print(msg,file=sys.stderr)
117118

118-
#compare ...
119+
#Compare.
119120
print(
120121
"Git-Python is %f %% faster than git when adding big %s files"
121122
% (100.0- (elapsed_add/gelapsed_add)*100,desc),
122123
file=sys.stderr,
123124
)
124125

125-
#read all
126+
#Read all.
126127
st=time()
127128
_hexsha,_typename,size,data=rwrepo.git.get_object_data(gitsha)
128129
gelapsed_readall=time()-st
@@ -132,14 +133,14 @@ def test_large_data_streaming(self, rwrepo):
132133
file=sys.stderr,
133134
)
134135

135-
#compare
136+
#Compare.
136137
print(
137138
"Git-Python is %f %% faster than git when reading big %sfiles"
138139
% (100.0- (elapsed_readall/gelapsed_readall)*100,desc),
139140
file=sys.stderr,
140141
)
141142

142-
#read chunks
143+
#Read chunks.
143144
st=time()
144145
_hexsha,_typename,size,stream=rwrepo.git.stream_object_data(gitsha)
145146
whileTrue:
@@ -158,7 +159,7 @@ def test_large_data_streaming(self, rwrepo):
158159
)
159160
print(msg,file=sys.stderr)
160161

161-
#compare
162+
#Compare.
162163
print(
163164
"Git-Python is %f %% faster than git when reading big %s files in chunks"
164165
% (100.0- (elapsed_readchunks/gelapsed_readchunks)*100,desc),

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