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Authored by douardda on Jan 15 2021, 11:44 AM.

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	In [8]: def t1(l):
	...: for i in range(10000):
	...: l = attr.evolve(l, instance_name=f"titi {i}")
	...: return l


	In [12]: %timeit t1(l, 10000)
	105 ms ± 2.75 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)

	In [14]: def t2(l, n):
	...: ld = attr.asdict(l)
	...: for i in range(n):
	...: ld["instance_name"] = f"titi {i}"
	...:
	...: return Lister(**ld)
	In [15]: %timeit t2(l, 10000)
	1.21 ms ± 35.2 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)

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douardda created this paste.Jan 15 2021, 11:44 AM