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Merge pull request #270 from BillXu2000/benchmark_inv
Add modular multiplicative inverse benchmark
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# ARGS: 46, 10007 | ||
@main(n: int, p: int) { | ||
v0: int = const 2; | ||
two: int = id v0; | ||
v1: int = id p; | ||
v2: int = id two; | ||
v3: int = sub v1 v2; | ||
m: int = id v3; | ||
v4: int = const 1; | ||
ans: int = id v4; | ||
v5: int = id n; | ||
a: int = id v5; | ||
v7: int = const 1; | ||
i: int = id v7; | ||
.for.cond.6: | ||
v8: int = id m; | ||
v9: int = const 0; | ||
v10: bool = gt v8 v9; | ||
br v10 .for.body.6 .for.end.6; | ||
.for.body.6: | ||
v12: int = id m; | ||
v13: int = id m; | ||
v14: int = id two; | ||
v15: int = div v13 v14; | ||
v16: int = id two; | ||
v17: int = mul v15 v16; | ||
v18: bool = eq v12 v17; | ||
br v18 .then.11 .else.11; | ||
.then.11: | ||
jmp .endif.11; | ||
.else.11: | ||
v19: int = id ans; | ||
v20: int = id a; | ||
v21: int = mul v19 v20; | ||
v22: int = id p; | ||
v23: int = call @mod v21 v22; | ||
ans: int = id v23; | ||
.endif.11: | ||
v24: int = id a; | ||
v25: int = id a; | ||
v26: int = mul v24 v25; | ||
v27: int = id p; | ||
v28: int = call @mod v26 v27; | ||
a: int = id v28; | ||
v29: int = id m; | ||
v30: int = id two; | ||
v31: int = div v29 v30; | ||
m: int = id v31; | ||
jmp .for.cond.6; | ||
.for.end.6: | ||
v32: int = id ans; | ||
print v32; | ||
v33: int = const 0; | ||
} | ||
@mod(n: int, p: int): int { | ||
v0: int = id n; | ||
v1: int = id n; | ||
v2: int = id p; | ||
v3: int = div v1 v2; | ||
v4: int = id p; | ||
v5: int = mul v3 v4; | ||
v6: int = sub v0 v5; | ||
ret v6; | ||
} | ||
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# ts2bril inv.ts | bril2txt | tail +3 | sed -E 's/float/int/g' | sed -E 's/fgt/gt/g' > inv.bril | ||
# generated by typescript code below: | ||
# | ||
# function main(n: bigint, p: bigint) { | ||
# var two: bigint = 2; | ||
# var m: bigint = p - two; | ||
# var ans: bigint = 1; | ||
# var a: bigint = n; | ||
# for (let i = 1; m > 0; m = m / two) { | ||
# if (m == m / two * two) { | ||
# } | ||
# else { | ||
# ans = mod(ans * a, p); | ||
# } | ||
# a = mod(a * a, p); | ||
# } | ||
# console.log(ans); | ||
# } | ||
# | ||
# function mod(n: bigint, p: bigint): bigint { | ||
# return n - n / p * p; | ||
# } | ||
# | ||
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2393 |
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total_dyn_inst: 558 |
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