generator: Mean +- std dev: [main_generator_pgo] 326 ns +- 15 ns -> [pr_generator_pgo] 317 ns +- 15 ns: 1.03x faster
list comprehension: Mean +- std dev: [main_generator_pgo] 176 ns +- 7 ns -> [pr_generator_pgo] 172 ns +- 7 ns: 1.02x faster
all: Mean +- std dev: [main_generator_pgo] 266 ns +- 4 ns -> [pr_generator_pgo] 263 ns +- 3 ns: 1.01x faster
all with comparison: Mean +- std dev: [main_generator_pgo] 572 ns +- 12 ns -> [pr_generator_pgo] 562 ns +- 16 ns: 1.02x faster

Benchmark hidden because not significant (1): generator exhaust

Geometric mean: 1.02x faster

import pyperf
runner = pyperf.Runner()

setup="""
l=[1,2]
"""

runner.timeit(name=f"generator", stmt=f"(x for x in l)", setup=setup)
runner.timeit(name=f"list comprehension", stmt=f"[x for x in l]", setup=setup)
stmt="""
for x in (_ for _ in ()):
    pass
"""
runner.timeit(name=f"generator exhaust", stmt=stmt, setup=setup)
runner.timeit(name=f"all", stmt=f"all( (x for x in l) ) ", setup=setup)
runner.timeit(name=f"all with comparison", stmt=f"all( (x==1 for x in l) ) ", setup=setup)