Find the bottleneck in profiler output

Reads pasted profiler output, names the likely bottleneck and proposes three experiments to confirm it, ranked by effort.

Task: Read the profiler output below and tell me where the time or memory goes and what to try first. Context: The program is [what the program does] in [language and runtime]. The profiler is [profiler name] and I measured [what you measured, such as CPU or memory]. The slow case is [when it is slow], and a fast case is [when it is fast]. Rules: - Read every row of the output before ranking, and separate time spent in a function itself from time spent in what it calls. - Name the top three hotspots with their share of the total, copied from the output. - Propose three experiments, cheapest first, each with the number I should compare before and after. - Say what the output cannot tell you, such as lock waits or input size effects, and which extra measurement would settle it. Result: Start with one sentence naming the likely bottleneck. Then a table with the columns hotspot, share, probable reason and experiment. Material: [paste the profiler output here]

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