Zero allocation univariate gcd with Int

[blegat]

Part of https://github.com/JuliaAlgebra/MultivariatePolynomials.jl/issues/194

Int64

Benchmark 0

Before

	Time	Alloc	Memory
SIMDPolynomials	474.658 ns	16	1.14 KiB
DynamicPolynomials	6.417 μs	194	10.66 KiB
TypedPolynomials	301.902 ns	12	848 bytes

After

	Time	Alloc	Memory
SIMDPolynomials	376.346 ns	8	400 bytes
DynamicPolynomials	6.153 μs	196	10.81 KiB
TypedPolynomials	165.017 ns	4	336 bytes

Benchmark 1

Before

	Time	Alloc	Memory
SIMDPolynomials	140.808 μs	1976	2.10 MiB
DynamicPolynomials	1.133 ms	24028	3.28 MiB
TypedPolynomials	122.591 μs	1281	2.26 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	129.194 μs	1904	2.10 MiB
DynamicPolynomials	1.067 ms	24046	3.28 MiB
TypedPolynomials	118.609 μs	1125	2.25 MiB

Benchmark 2

Before

	Time	Alloc	Memory
SIMDPolynomials	5.388 μs	282	45.50 KiB
DynamicPolynomials	56.052 μs	1979	160.55 KiB
TypedPolynomials	13.478 μs	329	81.38 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	4.766 μs	266	44.00 KiB
DynamicPolynomials	53.152 μs	1983	161.02 KiB
TypedPolynomials	5.725 μs	191	74.66 KiB

Benchmark 3

Before

	Time	Alloc	Memory
SIMDPolynomials	707.457 μs	31439	17.63 MiB
DynamicPolynomials	6.215 ms	156563	25.83 MiB
TypedPolynomials	390.848 μs	6742	25.04 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	690.351 μs	31375	17.62 MiB
DynamicPolynomials	5.755 ms	156579	25.83 MiB
TypedPolynomials	378.289 μs	6438	25.03 MiB

BigInt

Benchmark 0

Before

	Time	Alloc	Memory
SIMDPolynomials	1.062 μs	50	1.73 KiB
DynamicPolynomials	7.118 μs	234	11.34 KiB
TypedPolynomials	867.320 ns	46	1.42 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	908.128 ns	42	1008 bytes
DynamicPolynomials	6.748 μs	236	11.50 KiB
TypedPolynomials	716.375 ns	38	944 bytes

Benchmark 1

Before

	Time	Alloc	Memory
SIMDPolynomials	436.290 μs	14936	1.94 MiB
DynamicPolynomials	1.239 ms	35358	3.06 MiB
TypedPolynomials	441.870 μs	14139	2.09 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	424.879 μs	14864	1.93 MiB
DynamicPolynomials	1.139 ms	35376	3.06 MiB
TypedPolynomials	433.056 μs	13983	2.08 MiB

Benchmark 2

Before

	Time	Alloc	Memory
SIMDPolynomials	9.859 μs	438	48.38 KiB
DynamicPolynomials	61.897 μs	2183	164.87 KiB
TypedPolynomials	20.753 μs	452	83.48 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	9.612 μs	422	46.88 KiB
DynamicPolynomials	58.479 μs	2187	165.34 KiB
TypedPolynomials	12.317 μs	314	76.76 KiB

Benchmark 3

Before

	Time	Alloc	Memory
SIMDPolynomials	2.559 ms	82161	18.49 MiB
DynamicPolynomials	7.211 ms	202251	26.71 MiB
TypedPolynomials	3.124 ms	57416	25.89 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	2.589 ms	82097	18.48 MiB
DynamicPolynomials	7.164 ms	202267	26.71 MiB
TypedPolynomials	3.188 ms	57112	25.88 MiB

Rational{BigInt}

Benchmark 0

Before

	Time	Alloc	Memory
SIMDPolynomials	3.114 μs	233	6.23 KiB
DynamicPolynomials	8.093 μs	388	15.06 KiB
TypedPolynomials	2.987 μs	229	5.92 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	2.933 μs	225	5.48 KiB
DynamicPolynomials	7.901 μs	390	15.22 KiB
TypedPolynomials	2.741 μs	221	5.42 KiB

Benchmark 1

Before

	Time	Alloc	Memory
SIMDPolynomials	1.619 ms	76491	4.21 MiB
DynamicPolynomials	2.365 ms	89933	5.31 MiB
TypedPolynomials	1.621 ms	75855	4.37 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	1.592 ms	76435	4.21 MiB
DynamicPolynomials	2.240 ms	89947	5.31 MiB
TypedPolynomials	1.604 ms	75715	4.37 MiB

Benchmark 2

Before

	Time	Alloc	Memory
SIMDPolynomials	18.793 μs	1025	80.80 KiB
DynamicPolynomials	71.722 μs	2884	201.46 KiB
TypedPolynomials	27.907 μs	1035	116.04 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	18.604 μs	1009	79.30 KiB
DynamicPolynomials	70.529 μs	2888	201.93 KiB
TypedPolynomials	20.573 μs	897	109.32 KiB

Benchmark 3

Before

	Time	Alloc	Memory
SIMDPolynomials	5.781 ms	242358	31.13 MiB
DynamicPolynomials	11.797 ms	339458	38.81 MiB
TypedPolynomials	7.177 ms	215551	38.59 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	6.390 ms	242294	31.12 MiB
DynamicPolynomials	11.422 ms	339474	38.81 MiB
TypedPolynomials	7.774 ms	215247	38.58 MiB