perf(encoding/text): reduce allocs

[abemedia]

No description provided.

[github-actions]

Benchmark Results

.

goos: linux
goarch: amd64
pkg: github.com/abemedia/go-don
cpu: Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
                         │   before    │               after                │
                         │   sec/op    │   sec/op     vs base               │
Handler/Request-2          446.8n ± 1%   453.8n ± 1%  +1.57% (p=0.006 n=10)
Handler/RequestPointer-2   524.0n ± 2%   549.4n ± 2%  +4.86% (p=0.001 n=10)
geomean                    483.8n        499.3n       +3.20%

                         │   before   │                after                │
                         │    B/op    │    B/op     vs base                 │
Handler/Request-2          24.00 ± 0%   24.00 ± 0%       ~ (p=1.000 n=10) ¹
Handler/RequestPointer-2   24.00 ± 0%   24.00 ± 0%       ~ (p=1.000 n=10) ¹
geomean                    24.00        24.00       +0.00%
¹ all samples are equal

                         │   before   │                after                │
                         │ allocs/op  │ allocs/op   vs base                 │
Handler/Request-2          1.000 ± 0%   1.000 ± 0%       ~ (p=1.000 n=10) ¹
Handler/RequestPointer-2   1.000 ± 0%   1.000 ± 0%       ~ (p=1.000 n=10) ¹
geomean                    1.000        1.000       +0.00%
¹ all samples are equal

encoding/text

goos: linux
goarch: amd64
pkg: github.com/abemedia/go-don/encoding/text
cpu: Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
              │   before    │                after                │
              │   sec/op    │   sec/op     vs base                │
Text/Decode-2   17.73n ± 2%   16.62n ± 3%   -6.26% (p=0.000 n=10)
Text/Encode-2   90.83n ± 1%   55.83n ± 1%  -38.54% (p=0.000 n=10)
geomean         40.14n        30.46n       -24.10%

              │    before    │                after                 │
              │     B/op     │    B/op     vs base                  │
Text/Decode-2   0.000 ± 0%     0.000 ± 0%        ~ (p=1.000 n=10) ¹
Text/Encode-2   24.00 ± 0%     16.00 ± 0%  -33.33% (p=0.000 n=10)
geomean                    ²               -18.35%                ²
¹ all samples are equal
² summaries must be >0 to compute geomean

              │    before    │                after                 │
              │  allocs/op   │ allocs/op   vs base                  │
Text/Decode-2   0.000 ± 0%     0.000 ± 0%        ~ (p=1.000 n=10) ¹
Text/Encode-2   2.000 ± 0%     1.000 ± 0%  -50.00% (p=0.000 n=10)
geomean                    ²               -29.29%                ²
¹ all samples are equal
² summaries must be >0 to compute geomean

[codecov]

Codecov Report

Patch coverage: 50.00% and project coverage change: -0.35 ⚠️

Comparison is base (8674397) 96.21% compared to head (005057b) 95.87%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #142      +/-   ##
==========================================
- Coverage   96.21%   95.87%   -0.35%     
==========================================
  Files          23       23              
  Lines         845      848       +3     
==========================================
  Hits          813      813              
- Misses         22       24       +2     
- Partials       10       11       +1     

Impacted Files	Coverage Δ
encoding/text/encode.go	90.56% <50.00%> (-5.44%)	⬇️
handler.go	96.72% <50.00%> (ø)

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