perf: make CharRefTokenizer non-copyable

[kkebo]

No description provided.

[github-actions]

Code Metrics Report

	main (c968f88)	#107 (d124cbd)	+/-
Coverage	85.7%	85.6%	-0.1%

Details

  |           | main (c968f88) | #107 (d124cbd) |  +/-  |
  |-----------|----------------|----------------|-------|
- | Coverage  |          85.7% |          85.6% | -0.1% |
  |   Files   |              9 |             10 |    +1 |
  |   Lines   |           1586 |           1584 |    -2 |
- |   Covered |           1360 |           1357 |    -3 |

Code coverage of files in pull request scope (85.6% → 85.5%)

Files	Coverage	+/-
Sources/Tokenizer/CharRefTokenizer.swift	98.1%	0.0%
Sources/Tokenizer/Optional+take.swift	100.0%	+100.0%
Sources/Tokenizer/Tokenizer.swift	83.3%	-0.2%

---

Reported by octocov

[kkebo]

Comparing results between 'main' and 'Current_run'

Host 'Raspberry-beetle' with 4 'aarch64' processors with 7 GB memory, running:
#1 SMP PREEMPT Debian 1:6.6.47-1+rpt1 (2024-09-02)

MyBenchmark

lipsum metrics

Time (wall clock): results within specified thresholds, fold down for details.

Time (wall clock) (μs) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	24	24	24	24	24	25	25	100
Current_run	23	23	23	23	24	24	24	100
�	-1	-1	-1	-1	0	-1	-1	0
Improvement %	4	4	4	4	0	4	4	0

lipsum-zh metrics

Time (wall clock): results within specified thresholds, fold down for details.

Time (wall clock) (ns) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	3010	3017	3023	3033	3039	3142	3144	100
Current_run	3106	3117	3123	3125	3133	3160	3173	100
�	96	100	100	92	94	18	29	0
Improvement %	-3	-3	-3	-3	-3	-1	-1	0

medium-fragment metrics

Time (wall clock): results within specified thresholds, fold down for details.

Time (wall clock) (μs) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	71	71	71	71	71	72	72	100
Current_run	68	68	68	68	68	68	69	100
�	-3	-3	-3	-3	-3	-4	-3	0
Improvement %	4	4	4	4	4	6	4	0

small-fragment metrics

Time (wall clock): results within specified thresholds, fold down for details.

Time (wall clock) (ns) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	7374	7414	7422	7434	7438	7475	7748	100
Current_run	7423	7459	7496	7516	7528	7614	7969	100
�	49	45	74	82	90	139	221	0
Improvement %	-1	-1	-1	-1	-1	-2	-3	0

strong metrics

Time (wall clock): results within specified thresholds, fold down for details.

Time (wall clock) (μs) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	35	35	35	35	35	35	35	100
Current_run	35	35	35	35	35	35	35	100
�	0	0	0	0	0	0	0	0
Improvement %	0	0	0	0	0	0	0	0

tiny-fragment metrics

Time (wall clock): results within specified thresholds, fold down for details.

Time (wall clock) (ns) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	710	711	712	713	715	728	736	100
Current_run	761	764	765	769	771	777	778	100
�	51	53	53	56	56	49	42	0
Improvement %	-7	-7	-7	-8	-8	-7	-6	0