54 lines
1.3 KiB
V
54 lines
1.3 KiB
V
module main
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import hash.fnv1a
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import hash.wyhash
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import rand
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import time
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fn main() {
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sample_size := 10000000
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min_str_len := 20
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max_str_len := 40
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println('Generating $sample_size strings between $min_str_len - $max_str_len chars long...')
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mut bytepile := []byte{}
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for _ in 0 .. sample_size * max_str_len {
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bytepile << byte(rand.int_in_range(40, 125))
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}
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mut str_lens := []int{}
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for _ in 0 .. sample_size {
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str_lens << rand.int_in_range(min_str_len, max_str_len)
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}
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println('Hashing each of the generated strings...')
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t0 := time.ticks()
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mut start_pos := 0
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for len in str_lens {
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end_pos := start_pos + len
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str := string(bytepile[start_pos..end_pos],len)
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wyhash.wyhash_c(&str.str, u64(str.len), 1)
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start_pos = end_pos
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}
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t1 := time.ticks()
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d1 := t1 - t0
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println(' * wyhash4 C: ${d1}ms')
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start_pos = 0
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for len in str_lens {
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end_pos := start_pos + len
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str := string(bytepile[start_pos..end_pos],len)
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wyhash.sum64_string(str, 1)
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start_pos = end_pos
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}
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t2 := time.ticks()
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d2 := t2 - t1
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println(' * wyhash4: ${d2}ms')
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start_pos = 0
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for len in str_lens {
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end_pos := start_pos + len
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str := string(bytepile[start_pos..end_pos],len)
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fnv1a.sum64_string(str)
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start_pos = end_pos
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}
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t3 := time.ticks()
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d3 := t3 - t2
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println(' * fnv1a64: ${d3}ms')
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}
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