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Diffstat (limited to 'git/test/performance/test_odb.py')
-rw-r--r-- | git/test/performance/test_odb.py | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/git/test/performance/test_odb.py b/git/test/performance/test_odb.py deleted file mode 100644 index 8bd614f2..00000000 --- a/git/test/performance/test_odb.py +++ /dev/null @@ -1,74 +0,0 @@ -"""Performance tests for object store""" -from __future__ import print_function - -import sys -from time import time - -from .lib import ( - TestBigRepoR -) - - -class TestObjDBPerformance(TestBigRepoR): - - def test_random_access(self): - results = [["Iterate Commits"], ["Iterate Blobs"], ["Retrieve Blob Data"]] - for repo in (self.gitrorepo, self.puregitrorepo): - # GET COMMITS - st = time() - root_commit = repo.commit(repo.head) - commits = list(root_commit.traverse()) - nc = len(commits) - elapsed = time() - st - - print("%s: Retrieved %i commits from ObjectStore in %g s ( %f commits / s )" - % (type(repo.odb), nc, elapsed, nc / elapsed), file=sys.stderr) - results[0].append(elapsed) - - # GET TREES - # walk all trees of all commits - st = time() - blobs_per_commit = [] - nt = 0 - for commit in commits: - tree = commit.tree - blobs = [] - for item in tree.traverse(): - nt += 1 - if item.type == 'blob': - blobs.append(item) - # direct access for speed - # END while trees are there for walking - blobs_per_commit.append(blobs) - # END for each commit - elapsed = time() - st - - print("%s: Retrieved %i objects from %i commits in %g s ( %f objects / s )" - % (type(repo.odb), nt, len(commits), elapsed, nt / elapsed), file=sys.stderr) - results[1].append(elapsed) - - # GET BLOBS - st = time() - nb = 0 - too_many = 15000 - data_bytes = 0 - for blob_list in blobs_per_commit: - for blob in blob_list: - data_bytes += len(blob.data_stream.read()) - # END for each blobsha - nb += len(blob_list) - if nb > too_many: - break - # END for each bloblist - elapsed = time() - st - - msg = "%s: Retrieved %i blob (%i KiB) and their data in %g s ( %f blobs / s, %f KiB / s )"\ - % (type(repo.odb), nb, data_bytes / 1000, elapsed, nb / elapsed, (data_bytes / 1000) / elapsed) - print(msg, file=sys.stderr) - results[2].append(elapsed) - # END for each repo type - - # final results - for test_name, a, b in results: - print("%s: %f s vs %f s, pure is %f times slower" % (test_name, a, b, b / a), file=sys.stderr) - # END for each result |