Optimize memory.{load,store} for when reading or writing single bytes

[Robbepop]

No description provided.

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ bare_call_0	1.51ms	1.51ms	🔴 -0.05%	1.35ms	1.43ms	🔴 6.02%	🟢 -5%
execute/ bare_call_0/typed	1.11ms	1.13ms	🔴 1.96%	979.65µs	977.18µs	⚪ -0.40%	🟢 -14%
execute/ bare_call_1	1.55ms	1.56ms	🟢 0.20%	1.39ms	1.48ms	🔴 6.49%	🟢 -5%
execute/ bare_call_16	2.42ms	2.42ms	🟢 -0.20%	3.42ms	3.44ms	⚪ 0.33%	🟢 42%
execute/ bare_call_16/typed	1.87ms	1.81ms	🟢 -3.14%	1.64ms	1.62ms	⚪ -1.17%	🟢 -10%
execute/ bare_call_1/typed	1.22ms	1.23ms	⚪ 0.44%	1.26ms	1.25ms	⚪ -0.71%	🟢 2%
execute/ bare_call_4	1.73ms	1.80ms	🔴 4.46%	1.80ms	1.82ms	🟢 0.85%	🟢 1%
execute/ bare_call_4/typed	1.26ms	1.31ms	🔴 3.07%	1.23ms	1.19ms	🟢 -3.19%	🟢 -9%
execute/ br_table	1.32ms	1.34ms	🔴 2.22%	1.39ms	1.43ms	🔴 2.69%	🟢 6%
execute/ count_until	716.32µs	709.35µs	⚪ -0.83%	988.41µs	1.01ms	🔴 2.21%	🟢 43%
execute/ factorial_iterative	366.38µs	335.96µs	🟢 -8.29%	437.51µs	459.85µs	🔴 5.01%	🟢 37%
execute/ factorial_recursive	586.22µs	589.22µs	⚪ 0.53%	911.61µs	853.85µs	🟢 -6.52%	🟢 45%
execute/ fibonacci_iter	1.47ms	1.46ms	⚪ -0.10%	2.06ms	2.07ms	⚪ 0.29%	🟢 41%
execute/ fibonacci_rec	4.77ms	4.90ms	🔴 2.85%	7.42ms	7.27ms	🟢 -1.80%	🟢 48%
execute/ fibonacci_tail	1.17ms	1.18ms	⚪ 0.22%	1.57ms	1.56ms	⚪ -0.38%	🟢 33%
execute/ global_bump	780.96µs	806.86µs	🔴 3.41%	1.32ms	1.35ms	🔴 1.78%	🟡 67%
execute/ global_const	808.01µs	718.13µs	🟢 -11.15%	1.17ms	1.17ms	⚪ -0.34%	🟡 63%
execute/ host_calls	36.39µs	35.71µs	⚪ -1.32%	46.16µs	50.95µs	🔴 10.36%	🟢 43%
execute/ memory_fill	1.21ms	1.25ms	🔴 3.60%	1.76ms	1.77ms	⚪ 0.94%	🟢 42%
execute/ memory_sum	1.21ms	1.19ms	⚪ -1.58%	1.80ms	1.79ms	⚪ -0.93%	🟡 51%
execute/ memory_vec_add	2.39ms	2.38ms	⚪ -0.50%	4.19ms	3.84ms	🟢 -8.60%	🟡 62%
execute/ recursive_is_even	1.04ms	1.02ms	⚪ -1.58%	1.68ms	1.70ms	⚪ 2.21%	🟡 67%
execute/ recursive_ok	121.38µs	121.25µs	⚪ -0.09%	194.69µs	189.78µs	🟢 -2.59%	🟡 57%
execute/ recursive_scan	157.71µs	156.75µs	⚪ -0.74%	241.40µs	239.21µs	⚪ -0.82%	🟡 53%
execute/ recursive_trap	12.66µs	12.42µs	🟢 -2.00%	20.63µs	20.68µs	⚪ 0.34%	🟡 67%
execute/ regex_redux	500.93µs	497.88µs	⚪ -0.35%	821.03µs	814.77µs	⚪ -0.97%	🟡 64%
execute/ rev_complement	456.83µs	458.32µs	⚪ 0.24%	725.10µs	718.36µs	⚪ -0.84%	🟡 57%
execute/ tiny_keccak	342.27µs	325.18µs	🟢 -4.85%	545.77µs	548.51µs	⚪ 0.54%	🟡 69%
execute/ trunc_f2i	787.57µs	776.62µs	🟢 -1.29%	1.37ms	1.46ms	🔴 6.91%	🟡 88%
instantiate/ wasm_kernel	51.79µs	51.68µs	⚪ -0.03%	58.25µs	56.43µs	🟢 -2.80%	🟢 9%
translate/ erc1155	235.84µs	234.66µs	⚪ -0.24%	441.55µs	449.61µs	🔴 1.80%	🟡 92%
translate/ erc20	115.17µs	113.97µs	⚪ -1.02%	215.45µs	217.79µs	⚪ 1.07%	🟡 91%
translate/ erc721	163.85µs	161.67µs	⚪ -1.21%	312.81µs	314.84µs	⚪ 0.41%	🟡 95%
translate/ spidermonkey	0.00ns	0.00ns	⚪ -0.32%	0.00ns	0.00ns	⚪ 0.96%	🟢 0%
translate/ wasm_kernel	4.12ms	4.08ms	⚪ -0.99%	8.03ms	8.11ms	⚪ 1.34%	🟡 99%

Link to pipeline

[codecov-commenter]

Codecov Report

Merging #689 (4c7129c) into master (43f525c) will increase coverage by 0.05%.
The diff coverage is 96.61%.

@@            Coverage Diff             @@
##           master     #689      +/-   ##
==========================================
+ Coverage   81.01%   81.06%   +0.05%     
==========================================
  Files         100      100              
  Lines        8489     8526      +37     
==========================================
+ Hits         6877     6912      +35     
- Misses       1612     1614       +2     

Impacted Files	Coverage Δ
crates/core/src/value.rs	78.22% <96.15%> (+4.75%)	⬆️
crates/core/src/untyped.rs	97.10% <100.00%> (-0.11%)	⬇️

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[Robbepop]

Benchmarks show either no change or significant regressions for Wasm builds. Closed.