Rename _div into div_multiple

[blegat]

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

Closes https://github.com/JuliaAlgebra/MultivariatePolynomials.jl/pull/207 Closes https://github.com/JuliaAlgebra/MultivariatePolynomials.jl/pull/201

Int64

Benchmark 0

Before

	Time	Alloc	Memory
SIMDPolynomials	358.810 ns	8	400 bytes
DynamicPolynomials	6.579 μs	196	10.81 KiB
TypedPolynomials	170.237 ns	4	336 bytes

After

	Time	Alloc	Memory
SIMDPolynomials	317.813 ns	6	272 bytes
DynamicPolynomials	5.072 μs	170	9.62 KiB
TypedPolynomials	117.847 ns	2	208 bytes

Benchmark 1

Before

	Time	Alloc	Memory
SIMDPolynomials	132.809 μs	1904	2.10 MiB
DynamicPolynomials	1.166 ms	24080	3.28 MiB
TypedPolynomials	124.154 μs	1125	2.25 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	122.177 μs	1316	468.48 KiB
DynamicPolynomials	692.039 μs	15658	1.24 MiB
TypedPolynomials	97.478 μs	502	473.70 KiB

Benchmark 2

Before

	Time	Alloc	Memory
SIMDPolynomials	4.770 μs	263	43.88 KiB
DynamicPolynomials	55.238 μs	1967	160.36 KiB
TypedPolynomials	5.576 μs	188	74.64 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	3.761 μs	218	8.31 KiB
DynamicPolynomials	31.402 μs	1361	92.11 KiB
TypedPolynomials	4.284 μs	137	6.09 KiB

Benchmark 3

Before

	Time	Alloc	Memory
SIMDPolynomials	677.469 μs	31351	17.62 MiB
DynamicPolynomials	6.198 ms	156645	25.84 MiB
TypedPolynomials	372.314 μs	6414	25.02 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	461.465 μs	26515	1.02 MiB
DynamicPolynomials	2.307 ms	89587	6.01 MiB
TypedPolynomials	92.893 μs	547	353.50 KiB

BigInt

Benchmark 0

Before

	Time	Alloc	Memory
SIMDPolynomials	931.929 ns	42	1008 bytes
DynamicPolynomials	6.983 μs	236	11.50 KiB
TypedPolynomials	724.700 ns	38	944 bytes

After

	Time	Alloc	Memory
SIMDPolynomials	750.315 ns	34	784 bytes
DynamicPolynomials	5.634 μs	202	10.19 KiB
TypedPolynomials	555.119 ns	30	720 bytes

Benchmark 1

Before

	Time	Alloc	Memory
SIMDPolynomials	438.317 μs	14864	1.93 MiB
DynamicPolynomials	1.216 ms	35406	3.07 MiB
TypedPolynomials	430.715 μs	13983	2.08 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	338.276 μs	12454	1001.43 KiB
DynamicPolynomials	880.820 μs	27690	1.85 MiB
TypedPolynomials	324.824 μs	11554	1004.15 KiB

Benchmark 2

Before

	Time	Alloc	Memory
SIMDPolynomials	9.882 μs	419	46.76 KiB
DynamicPolynomials	61.901 μs	2167	164.78 KiB
TypedPolynomials	12.040 μs	311	76.74 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	5.636 μs	307	9.92 KiB
DynamicPolynomials	35.949 μs	1471	95.04 KiB
TypedPolynomials	5.281 μs	197	6.98 KiB

Benchmark 3

Before

	Time	Alloc	Memory
SIMDPolynomials	2.633 ms	82073	18.48 MiB
DynamicPolynomials	7.521 ms	202263	26.72 MiB
TypedPolynomials	3.141 ms	57088	25.88 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	945.529 μs	59541	1.54 MiB
DynamicPolynomials	2.873 ms	111267	6.50 MiB
TypedPolynomials	515.503 μs	33525	885.83 KiB

Rational{BigInt}

Benchmark 0

Before

	Time	Alloc	Memory
SIMDPolynomials	3.026 μs	225	5.48 KiB
DynamicPolynomials	8.217 μs	390	15.22 KiB
TypedPolynomials	2.861 μs	221	5.42 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	2.932 μs	217	5.33 KiB
DynamicPolynomials	8.069 μs	386	15.14 KiB
TypedPolynomials	2.792 μs	213	5.27 KiB

Benchmark 1

Before

	Time	Alloc	Memory
SIMDPolynomials	1.673 ms	76435	4.21 MiB
DynamicPolynomials	2.346 ms	89963	5.32 MiB
TypedPolynomials	1.679 ms	75715	4.37 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	1.445 ms	68042	2.67 MiB
DynamicPolynomials	1.997 ms	77748	3.53 MiB
TypedPolynomials	1.446 ms	67322	2.68 MiB

Benchmark 2

Before

	Time	Alloc	Memory
SIMDPolynomials	18.776 μs	1006	79.23 KiB
DynamicPolynomials	75.952 μs	2847	200.82 KiB
TypedPolynomials	20.142 μs	894	109.32 KiB

After

	Time	Alloc	Memory
SIMDPolynomials	10.845 μs	692	20.28 KiB
DynamicPolynomials	45.825 μs	1968	108.00 KiB
TypedPolynomials	10.151 μs	580	17.30 KiB

Benchmark 3

Before

	Time	Alloc	Memory
SIMDPolynomials	6.140 ms	242270	31.12 MiB
DynamicPolynomials	12.206 ms	339036	38.81 MiB
TypedPolynomials	7.747 ms	215223	38.57 MiB

After

	Time	Alloc	Memory
SIMDPolynomials	2.562 ms	163028	4.71 MiB
DynamicPolynomials	5.302 ms	243218	9.64 MiB
TypedPolynomials	2.083 ms	135981	4.01 MiB