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author | Konrad Weihmann <kweihmann@outlook.com> | 2020-07-10 18:41:02 +0200 |
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committer | Konrad Weihmann <kweihmann@outlook.com> | 2020-07-12 15:01:21 +0200 |
commit | 0374d7cf84ecd8182b74a639fcfdb9eafddcfd15 (patch) | |
tree | f462fb9fc434f197b39213b53f33f4e09fc0329e /git/test/performance/test_streams.py | |
parent | 9cb7ae8d9721e1269f5bacd6dbc33ecdec4659c0 (diff) | |
download | gitpython-0374d7cf84ecd8182b74a639fcfdb9eafddcfd15.tar.gz |
tests: move to root dir
This should ensure that tests are NOT packaged into
release package by setuptools, as tests are development
only
+ fixtures after moving
Signed-off-by: Konrad Weihmann <kweihmann@outlook.com>
Diffstat (limited to 'git/test/performance/test_streams.py')
-rw-r--r-- | git/test/performance/test_streams.py | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/git/test/performance/test_streams.py b/git/test/performance/test_streams.py deleted file mode 100644 index cc6f0335..00000000 --- a/git/test/performance/test_streams.py +++ /dev/null @@ -1,149 +0,0 @@ -"""Performance data streaming performance""" -from __future__ import print_function - -import os -import subprocess -import sys -from time import time - -from git.test.lib import ( - with_rw_repo -) -from git.util import bin_to_hex -from gitdb import ( - LooseObjectDB, - IStream -) -from gitdb.test.lib import make_memory_file - -import os.path as osp - -from .lib import ( - TestBigRepoR -) - - -class TestObjDBPerformance(TestBigRepoR): - - large_data_size_bytes = 1000 * 1000 * 10 # some MiB should do it - moderate_data_size_bytes = 1000 * 1000 * 1 # just 1 MiB - - @with_rw_repo('HEAD', bare=True) - def test_large_data_streaming(self, rwrepo): - # TODO: This part overlaps with the same file in gitdb.test.performance.test_stream - # It should be shared if possible - ldb = LooseObjectDB(osp.join(rwrepo.git_dir, 'objects')) - - for randomize in range(2): - desc = (randomize and 'random ') or '' - print("Creating %s data ..." % desc, file=sys.stderr) - st = time() - size, stream = make_memory_file(self.large_data_size_bytes, randomize) - elapsed = time() - st - print("Done (in %f s)" % elapsed, file=sys.stderr) - - # writing - due to the compression it will seem faster than it is - st = time() - binsha = ldb.store(IStream('blob', size, stream)).binsha - elapsed_add = time() - st - assert ldb.has_object(binsha) - db_file = ldb.readable_db_object_path(bin_to_hex(binsha)) - fsize_kib = osp.getsize(db_file) / 1000 - - size_kib = size / 1000 - msg = "Added %i KiB (filesize = %i KiB) of %s data to loose odb in %f s ( %f Write KiB / s)" - msg %= (size_kib, fsize_kib, desc, elapsed_add, size_kib / elapsed_add) - print(msg, file=sys.stderr) - - # reading all at once - st = time() - ostream = ldb.stream(binsha) - shadata = ostream.read() - elapsed_readall = time() - st - - stream.seek(0) - assert shadata == stream.getvalue() - msg = "Read %i KiB of %s data at once from loose odb in %f s ( %f Read KiB / s)" - msg %= (size_kib, desc, elapsed_readall, size_kib / elapsed_readall) - print(msg, file=sys.stderr) - - # reading in chunks of 1 MiB - cs = 512 * 1000 - chunks = [] - st = time() - ostream = ldb.stream(binsha) - while True: - data = ostream.read(cs) - chunks.append(data) - if len(data) < cs: - break - # END read in chunks - elapsed_readchunks = time() - st - - stream.seek(0) - assert b''.join(chunks) == stream.getvalue() - - cs_kib = cs / 1000 - print("Read %i KiB of %s data in %i KiB chunks from loose odb in %f s ( %f Read KiB / s)" - % (size_kib, desc, cs_kib, elapsed_readchunks, size_kib / elapsed_readchunks), file=sys.stderr) - - # del db file so git has something to do - ostream = None - import gc - gc.collect() - os.remove(db_file) - - # VS. CGIT - ########## - # CGIT ! Can using the cgit programs be faster ? - proc = rwrepo.git.hash_object('-w', '--stdin', as_process=True, istream=subprocess.PIPE) - - # write file - pump everything in at once to be a fast as possible - data = stream.getvalue() # cache it - st = time() - proc.stdin.write(data) - proc.stdin.close() - gitsha = proc.stdout.read().strip() - proc.wait() - gelapsed_add = time() - st - del(data) - assert gitsha == bin_to_hex(binsha) # we do it the same way, right ? - - # as its the same sha, we reuse our path - fsize_kib = osp.getsize(db_file) / 1000 - msg = "Added %i KiB (filesize = %i KiB) of %s data to using git-hash-object in %f s ( %f Write KiB / s)" - msg %= (size_kib, fsize_kib, desc, gelapsed_add, size_kib / gelapsed_add) - print(msg, file=sys.stderr) - - # compare ... - print("Git-Python is %f %% faster than git when adding big %s files" - % (100.0 - (elapsed_add / gelapsed_add) * 100, desc), file=sys.stderr) - - # read all - st = time() - _hexsha, _typename, size, data = rwrepo.git.get_object_data(gitsha) - gelapsed_readall = time() - st - print("Read %i KiB of %s data at once using git-cat-file in %f s ( %f Read KiB / s)" - % (size_kib, desc, gelapsed_readall, size_kib / gelapsed_readall), file=sys.stderr) - - # compare - print("Git-Python is %f %% faster than git when reading big %sfiles" - % (100.0 - (elapsed_readall / gelapsed_readall) * 100, desc), file=sys.stderr) - - # read chunks - st = time() - _hexsha, _typename, size, stream = rwrepo.git.stream_object_data(gitsha) - while True: - data = stream.read(cs) - if len(data) < cs: - break - # END read stream - gelapsed_readchunks = time() - st - msg = "Read %i KiB of %s data in %i KiB chunks from git-cat-file in %f s ( %f Read KiB / s)" - msg %= (size_kib, desc, cs_kib, gelapsed_readchunks, size_kib / gelapsed_readchunks) - print(msg, file=sys.stderr) - - # compare - print("Git-Python is %f %% faster than git when reading big %s files in chunks" - % (100.0 - (elapsed_readchunks / gelapsed_readchunks) * 100, desc), file=sys.stderr) - # END for each randomization factor |