41 lines
642 B
Plaintext
41 lines
642 B
Plaintext
// 压测：循环、递归、闭包
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fn fib(n) {
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if (n <= 1) {
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return n
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}
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return fib(n - 1) + fib(n - 2)
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}
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fn make_adder(x) {
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return fn(y) { return x + y }
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}
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let t0 = clock()
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// 1. 循环压测：100万次算术
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let sum = 0
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let i = 0
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while (i < 1000000) {
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sum = sum + i
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i = i + 1
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}
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print("loop 1M:", sum)
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// 2. 递归压测：fib(25)
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let f = fib(25)
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print("fib(25):", f)
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// 3. 闭包压测：100万次调用
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let add10 = make_adder(10)
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let j = 0
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let total = 0
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while (j < 1000000) {
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total = add10(j)
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j = j + 1
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}
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print("closure 1M calls:", total)
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let t1 = clock()
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print("total time (s):", t1 - t0)
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