def measure_indexing_times():
data = {}
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
bin_size = 150
vcfc_binned_index_times = []
for _ in range(test_runs):
vcfc_binned_index_times.append(
create_binned_index(config, vcfc_filename, bin_size))
data['vcfc_binned_index'] = {
'times': vcfc_binned_index_times,
'mean': np.average(vcfc_binned_index_times),
'stddev': np.std(vcfc_binned_index_times)
}
vcfc_sparse_external_index_times = []
for _ in range(test_runs):
vcfc_sparse_external_index_times.append(
create_vcfc_sparse_external_index(config, vcfc_filename))
data['vcfc_sparse_external_index'] = {
'times': vcfc_sparse_external_index_times,
'mean': np.average(vcfc_sparse_external_index_times),
'stddev': np.std(vcfc_sparse_external_index_times)
}
bgzip_index_times = []
for _ in range(test_runs):
bgzip_index_times.append(create_tabix_index(config, bgzip_filename))
data['bgzip_index'] = {
'times': bgzip_index_times,
'mean': np.average(bgzip_index_times),
'stddev': np.std(bgzip_index_times)
}
bcf_index_times = []
for _ in range(test_runs):
bcf_index_times.append(create_tabix_index(config, bcf_filename))
data['bcf_index'] = {
'times': bcf_index_times,
'mean': np.average(bcf_index_times),
'stddev': np.std(bcf_index_times)
}
return data
def measure_binned_index_creation_time():
data = {}
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
bin_sizes = [
*range(5, 50, 5), *range(50, 200, 25), *range(200, 2000 + 1, 100)
]
creation_times = []
for bin_size in bin_sizes:
times = []
for _ in range(test_runs):
print('Creating binned index with bin size %d' % bin_size)
bin_index_creation_time = create_binned_index(
config, vcfc_filename, bin_size)
print('Finished creating binned index, took %f seconds' %
(bin_index_creation_time))
times.append(bin_index_creation_time)
creation_times.append({
'bin_size': bin_size,
'time': sum(times) / len(times),
'stddev': np.std(times)
})
data['vcfc_binned_index_creation_time'] = {
'data': creation_times,
'label': 'VCFC Binned Index Creation Time'
}
return {
'data': data,
'title': 'VCFC Binned Index Creation Time by Bin Size',
'name': 'binned-index-creation-time',
'xlabel': 'Bin Size',
'ylabel': 'Time (seconds)'
}
def measure_binned_index_time_profile_range(query_range: int = 5000,
queries: int = 500):
data = {}
assert queries > 0, 'queries > 0'
# Set step to fit `queries` number of positions into the range(min_pos, max_pos)
step = int((max_pos - query_range - min_pos) / queries)
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
# Override test runs for this, since high # queries per test amortizes runtime
test_runs = 2
bin_sizes = [
*range(5, 50, 5), *range(50, 200, 10), *range(200, 1000 + 1, 50)
]
for bin_size in bin_sizes:
bin_profile = {}
print('Creating binned index with bin size %d' % bin_size)
bin_index_creation_time = create_binned_index(config, vcfc_filename,
bin_size)
print('Finished creating binned index, took %f seconds' %
(bin_index_creation_time))
# Run regular queries, aggregate profile after each
print('Running %d exhaustive binned queries of size %d')
# get exactly `queries` loops, account for rounding
test_count = 0
for pos in range(min_pos, (min_pos + step * queries) + 1, step):
test_count += 1
endpos = pos + query_range
print('vcfc_binned_timing_profile_range: %d-%d' % (pos, endpos))
profiles = []
for _ in range(test_runs):
profiles.append(
run_vcfc_binned_index_timing_profile(
config, vcfc_filename, reference_name, pos, endpos))
# Merge timing profiles
time_labels = set()
for p in profiles:
for k in p:
time_labels.add(k)
for label in time_labels:
if label not in bin_profile:
bin_profile[label] = 0
label_values = [p[label] for p in profiles if label in p]
bin_profile[label] += sum(label_values) / len(label_values)
# for k in profiles[0]:
# if k not in bin_profile:
# bin_profile[k] = 0
# for p in profiles:
# bin_profile[k] += p[k] / test_runs
for k in bin_profile:
bin_profile[k] /= test_count
data['vcfc_binned_index_%d' % bin_size] = {
'data': bin_profile,
'label': 'Bin Size %d' % bin_size
}
return {
'data': data,
'title': 'VCFC Binned Index Interval, Query Range %d' % query_range,
'name': 'binned-timing-profile-range',
'xlabel': 'Bin Size (not linear scale)',
'ylabel': 'Time (seconds)'
}
def measure_binned_index_time_profile(queries: int = 500):
data = {}
step = int((max_pos - min_pos) / queries)
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
# Override test runs for this, since high # queries per test amortizes runtime
test_runs = 2
bin_sizes = [
*range(5, 50, 5), *range(50, 200, 10), *range(200, 1000 + 1, 50)
]
# Load file into host cache
os.system('cat %s > /dev/null' % vcfc_filename)
for bin_size in bin_sizes:
bin_profile = {}
print('Creating binned index with bin size %d' % bin_size)
bin_index_creation_time = create_binned_index(config, vcfc_filename,
bin_size)
print('Finished creating binned index, took %f seconds' %
(bin_index_creation_time))
# Load index into host cache
os.system('cat %s > /dev/null' %
(os.path.join(vcfc_filename, '.vcfci')))
# Run regular queries, aggregate profile after each
print('Running exhaustive binned queries')
test_count = 0
for pos in range(min_pos, max_pos + 1, step):
test_count += 1
print('vcfc_binned_timing_profile: %d' % pos)
profiles = []
for _ in range(test_runs):
profiles.append(
run_vcfc_binned_index_timing_profile(
config, vcfc_filename, reference_name, pos, pos))
# Merge timing profiles
# for k in profiles[0]:
# if k not in bin_profile:
# bin_profile[k] = 0
# for p in profiles:
# bin_profile[k] += p[k] / test_runs
# Merge timing profiles
time_labels = set()
for p in profiles:
for k in p:
time_labels.add(k)
for label in time_labels:
if label not in bin_profile:
bin_profile[label] = 0
label_values = [p[label] for p in profiles if label in p]
bin_profile[label] += sum(label_values) / len(label_values)
for k in bin_profile:
bin_profile[k] /= test_count
data['vcfc_binned_index_%d' % bin_size] = {
'data': bin_profile,
'label': 'Bin Size %d' % bin_size
}
return {
'data': data,
'title':
'VCFC Binned Index Query Phase Time Profile, Single Variant Lookup',
'name': 'binned-timing-profile-single',
'xlabel': 'Bin Size (not linear scale)',
'ylabel': 'Time (seconds)'
}
def measure_all_single_variant(queries: int = 200):
data = {}
step = int((max_pos - min_pos) / queries)
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
print('Creating binned index for binned index queries')
bin_index_creation_time = create_binned_index(config, vcfc_filename,
default_binsize)
print('Finished creating binned index, took %f seconds' %
(bin_index_creation_time))
start_positions = list(range(min_pos, max_pos + 1, step))
end_positions = start_positions
# VCFC Sparse External Index
sparse_external_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'vcfc-sparse-external-exhaustive',
config, run_vcfc_sparse_external_index_query, vcfc_filename)
data['vcfc_sparse_external_exhaustive'] = {
'data': sparse_external_durations,
'label': 'VCFC Sparse External Index'
}
# VCFC Sparse Offset-as-Index
sparse_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'vcfc-sparse-exhaustive', config,
run_vcfc_sparse_query, sparse_filename)
data['vcfc_sparse_exhaustive'] = {
'data': sparse_durations,
'label': 'VCFC Sparse Offset-as-Index'
}
# VCFC Binned External Index
create_binned_index(config, vcfc_filename, default_binsize)
binned_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'vcfc-binned-external-exhaustive',
config, run_vcfc_binned_index_query, vcfc_filename)
data['vcfc_binned_external_exhaustive'] = {
'data': binned_durations,
'label': 'VCFC Binned External Index (Bin Size %d)' % default_binsize
}
# BGZIP with Tabix Index
bgzip_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'bgzip-tabix-external-exhaustive',
config, run_tabix, bgzip_filename)
data['bgzip_tabix_exhaustive'] = {
'data': bgzip_durations,
'label': 'BGZIP + Tabix Index'
}
# BCF with Tabix Index
bcf_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'bcf-tabix-external-exhaustive',
config, run_tabix, bcf_filename)
data['bcf_tabix_exhaustive'] = {
'data': bcf_durations,
'label': 'BCF + Tabix Index'
}
return {
'data': data,
'title': 'Single Variant Query Time',
'name': 'all-exhaustive-single',
'xlabel': 'Variant Position',
'ylabel': 'Time (seconds)'
}
def measure_all_range_variant(queries: int = 200, query_range: int = 5000):
data = {}
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
# step = int((max_pos - min_pos) / queries)
# Set step to fit `queries` number of positions into the range(min_pos, max_pos)
step = int((max_pos - query_range - min_pos) / queries)
print('Step: %s' % step)
config = Config(tabix_cmd, vcfc_dir, bgzip_cmd)
print('Creating binned index for binned index queries')
bin_index_creation_time = create_binned_index(config, vcfc_filename,
default_binsize)
print('Finished creating binned index, took %f seconds' %
(bin_index_creation_time))
# for pos in range(min_pos, (min_pos+step*queries)+1, step):
# end_pos = pos + query_range
start_positions = list(range(min_pos, (min_pos + step * queries) + 1,
step))
end_positions = [s + query_range for s in start_positions]
# VCFC Sparse External Index
sparse_external_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'vcfc-sparse-external-exhaustive',
config, run_vcfc_sparse_external_index_query, vcfc_filename)
data['vcfc_sparse_external_exhaustive'] = {
'data': sparse_external_durations,
'label': 'VCFC Sparse External Index'
}
# VCFC Sparse Offset-as-Index
sparse_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'vcfc-sparse-exhaustive', config,
run_vcfc_sparse_query, sparse_filename)
data['vcfc_sparse_exhaustive'] = {
'data': sparse_durations,
'label': 'VCFC Sparse Offset-as-Index'
}
# VCFC Binned External Index
create_binned_index(config, vcfc_filename, default_binsize)
binned_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'vcfc-binned-external-exhaustive',
config, run_vcfc_binned_index_query, vcfc_filename)
data['vcfc_binned_external_exhaustive'] = {
'data': binned_durations,
'label': 'VCFC Binned External Index (Bin Size %d)' % default_binsize
}
# BGZIP with Tabix Index
bgzip_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'bgzip-tabix-external-exhaustive',
config, run_tabix, bgzip_filename)
data['bgzip_tabix_exhaustive'] = {
'data': bgzip_durations,
'label': 'BGZIP + Tabix Index'
}
# BCF with Tabix Index
bcf_durations = _run_variant_query_exhaustive(
start_positions, end_positions, 'bcf-tabix-external-exhaustive',
config, run_tabix, bcf_filename)
data['bcf_tabix_exhaustive'] = {
'data': bcf_durations,
'label': 'BCF + Tabix Index'
}
return {
'data': data,
'title': 'Variant Range Query Time (Query Range %d)' % query_range,
'name': 'all-exhaustive-range',
'xlabel': 'Range Start Position',
'ylabel': 'Time (seconds)'
}
def __init__(self, model_configuration, exp_path):
self.model_config = Config(model_configuration)
self.exp_path = exp_path