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Microbench: compatibility CPython 3.8 and example TestType::test_allocate_obj #491

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Merged
mattip merged 3 commits into from
May 26, 2025
Merged

Microbench: compatibility CPython 3.8 and example TestType::test_allocate_obj #491

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bc6c6d2
microbench/pixi.toml: compatibility CPython 3.8
paugier May 21, 2025
b6a1550
microbench/README.md: example comparison on only one test
paugier May 21, 2025
0543cd5
microbench: test_allocate_obj and test_allocate_and_collect
paugier May 25, 2025
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4 changes: 4 additions & 0 deletions microbench/README.md
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Expand Up @@ -111,6 +111,10 @@ make print_graalpy

make print_pypy_vs_cpy
make print_graalpy_vs_cpy

# example comparison on only one test
.venv_cpy/bin/python -m pytest test_microbench.py::TestType::test_allocate_obj[cpy]
.venv_pypy/bin/python -m pytest test_microbench.py::TestType::test_allocate_obj[hpy]
```

[Pixi]: https://pixi.sh
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1 change: 1 addition & 0 deletions microbench/pixi.toml
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Expand Up @@ -11,3 +11,4 @@ version = "0.1.0"
gcc = ">=15.1.0,<15.2"
valgrind = ">=3.25.0,<4"
libffi = ">=3.4.6,<4"
libxcrypt = ">=4.4.36,<5"
13 changes: 12 additions & 1 deletion microbench/test_microbench.py
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Expand Up @@ -98,7 +98,7 @@ class TestType:
The type is named `simple.Foo` in both cases.
"""

def test_allocate_obj(self, simple, timer, N):
def test_allocate_and_collect(self, simple, timer, N):
import gc
Foo = simple.Foo
objs = [None] * N
Expand All @@ -109,6 +109,17 @@ def test_allocate_obj(self, simple, timer, N):
del objs
gc.collect()

def test_allocate_obj(self, simple, timer, N):
import gc
Foo = simple.Foo
objs = [None] * N
gc.collect()
with timer:
for i in range(N):
objs[i] = Foo()
del objs
gc.collect()

def test_method_lookup(self, simple, timer, N):
obj = simple.Foo()
with timer:
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