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Set the number of threads to 2 to reduce the test suite runtime. Fixes #535. #536

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Merged
FrancescAlted merged 2 commits into from
Nov 28, 2025
Merged

Set the number of threads to 2 to reduce the test suite runtime. Fixes #535. #536

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Set the number of threads to 2 to reduce the test suite runtime. Fixe…
FrancescAlted Nov 28, 2025
850bcfd
Only set the number of threads when not in an emscripten platform
FrancescAlted Nov 28, 2025
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10 changes: 10 additions & 0 deletions tests/conftest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
# LICENSE file in the root directory of this source tree)
#######################################################################
import os
import sys

import pytest

Expand All @@ -14,6 +15,15 @@

def pytest_configure(config):
blosc2.print_versions()
if sys.platform != "emscripten":
# Using the defaults for nthreads can be very time consuming for tests.
# Fastest runtime (95 sec) for the whole test suite (Mac Mini M4 Pro)
# blosc2.set_nthreads(1)
# Second best runtime (101 sec), but still contained, and
# actually tests multithreading.
blosc2.set_nthreads(2)
# This makes the worst time (242 sec)
# blosc2.set_nthreads(blosc2.nthreads) # worst runtime ()


@pytest.fixture(scope="session")
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