feat(babel/compat): Improve performance of babelify

[kdy1]

Tasks

swc_babel_compat:

• Optimize.

swc:

• Improve performance related to comments.

Optimization history

After changing String to JsWord

test angular       ... bench: 120,380,604 ns/iter (+/- 7,231,423) = 5 MB/s
test babelify      ... bench:   1,393,920 ns/iter (+/- 486,892) = 7 MB/s
test backbone      ... bench:  16,793,729 ns/iter (+/- 1,859,636) = 3 MB/s
test jquery        ... bench: 103,489,686 ns/iter (+/- 7,214,542) = 2 MB/s
test jquery_mobile ... bench: 190,022,968 ns/iter (+/- 11,762,501) = 2 MB/s
test mootools      ... bench:  71,442,577 ns/iter (+/- 4,100,112) = 2 MB/s
test underscore    ... bench:  11,578,346 ns/iter (+/- 1,688,207) = 3 MB/s
test yui           ... bench:  73,401,094 ns/iter (+/- 4,572,728) = 4 MB/s

After removing useless clones.

test angular       ... bench:  75,740,646 ns/iter (+/- 5,321,871) = 9 MB/s
test babelify      ... bench:     788,769 ns/iter (+/- 98,940) = 13 MB/s
test backbone      ... bench:  10,443,560 ns/iter (+/- 1,164,215) = 5 MB/s
test jquery        ... bench:  66,282,313 ns/iter (+/- 7,183,684) = 4 MB/s
test jquery_mobile ... bench: 105,922,837 ns/iter (+/- 8,981,988) = 4 MB/s
test mootools      ... bench:  48,497,743 ns/iter (+/- 3,407,864) = 3 MB/s
test underscore    ... bench:   8,581,681 ns/iter (+/- 1,760,740) = 5 MB/s
test yui           ... bench:  43,636,221 ns/iter (+/- 3,281,859) = 7 MB/s

After merging code paths using generic

test angular       ... bench:  74,477,894 ns/iter (+/- 7,437,248) = 9 MB/s
test babelify      ... bench:     764,601 ns/iter (+/- 121,031) = 14 MB/s
test backbone      ... bench:  10,333,353 ns/iter (+/- 1,208,007) = 5 MB/s
test jquery        ... bench:  64,940,185 ns/iter (+/- 6,239,459) = 4 MB/s
test jquery_mobile ... bench: 103,639,448 ns/iter (+/- 7,312,483) = 4 MB/s
test mootools      ... bench:  47,135,533 ns/iter (+/- 4,149,281) = 3 MB/s
test underscore    ... bench:   8,223,502 ns/iter (+/- 1,473,473) = 5 MB/s
test yui           ... bench:  41,941,127 ns/iter (+/- 4,150,643) = 8 MB/s

After optimizing sourcemap operations of swc_common

test angular       ... bench:  71,530,903 ns/iter (+/- 6,676,043) = 10 MB/s
test babelify      ... bench:     727,873 ns/iter (+/- 104,247) = 14 MB/s
test backbone      ... bench:   9,742,245 ns/iter (+/- 1,531,072) = 6 MB/s
test jquery        ... bench:  63,753,373 ns/iter (+/- 5,143,951) = 4 MB/s
test jquery_mobile ... bench: 104,859,290 ns/iter (+/- 9,856,438) = 4 MB/s
test mootools      ... bench:  46,534,263 ns/iter (+/- 4,883,176) = 3 MB/s
test underscore    ... bench:   8,000,096 ns/iter (+/- 1,666,608) = 5 MB/s
test yui           ... bench:  41,394,018 ns/iter (+/- 4,096,623) = 8 MB/s

After reducing creationg of string using the new api

test angular       ... bench:  76,294,131 ns/iter (+/- 6,857,157) = 9 MB/s
test babelify      ... bench:     761,046 ns/iter (+/- 203,810) = 14 MB/s
test backbone      ... bench:  10,476,869 ns/iter (+/- 1,329,396) = 5 MB/s
test jquery        ... bench:  64,359,173 ns/iter (+/- 7,378,338) = 4 MB/s
test jquery_mobile ... bench: 102,256,810 ns/iter (+/- 9,824,814) = 4 MB/s
test mootools      ... bench:  45,769,665 ns/iter (+/- 3,651,325) = 3 MB/s
test underscore    ... bench:   7,989,858 ns/iter (+/- 1,444,150) = 5 MB/s
test yui           ... bench:  40,866,778 ns/iter (+/- 3,618,975) = 8 MB/s

After optimizing comment operations.

test angular       ... bench:  70,597,437 ns/iter (+/- 5,232,975) = 10 MB/s
test babelify      ... bench:     746,176 ns/iter (+/- 164,998) = 14 MB/s
test backbone      ... bench:   9,991,231 ns/iter (+/- 1,158,136) = 6 MB/s
test jquery        ... bench:  62,575,516 ns/iter (+/- 7,961,121) = 4 MB/s
test jquery_mobile ... bench: 100,782,152 ns/iter (+/- 8,935,520) = 4 MB/s
test mootools      ... bench:  45,443,780 ns/iter (+/- 3,365,737) = 3 MB/s
test underscore    ... bench:   7,676,725 ns/iter (+/- 1,539,086) = 5 MB/s
test yui           ... bench:  40,543,859 ns/iter (+/- 3,370,761) = 8 MB/s

After parallelizing at 16 (Stmt / ModuleItem)

test angular       ... bench:  48,842,568 ns/iter (+/- 4,468,933) = 14 MB/s
test babelify      ... bench:     739,406 ns/iter (+/- 59,612) = 14 MB/s
test backbone      ... bench:   8,026,579 ns/iter (+/- 420,012) = 7 MB/s
test jquery        ... bench:  43,572,668 ns/iter (+/- 3,550,682) = 6 MB/s
test jquery_mobile ... bench:  80,579,065 ns/iter (+/- 5,491,185) = 5 MB/s
test mootools      ... bench:  41,420,703 ns/iter (+/- 2,899,873) = 3 MB/s
test underscore    ... bench:   6,294,088 ns/iter (+/- 282,225) = 6 MB/s
test yui           ... bench:  38,877,714 ns/iter (+/- 2,635,799) = 8 MB/s

After updating rustc

test angular       ... bench:  47,982,607 ns/iter (+/- 4,717,277) = 14 MB/s
test babelify      ... bench:     697,951 ns/iter (+/- 90,836) = 15 MB/s
test backbone      ... bench:   7,803,192 ns/iter (+/- 624,180) = 7 MB/s
test jquery        ... bench:  42,665,607 ns/iter (+/- 4,048,595) = 6 MB/s
test jquery_mobile ... bench:  80,868,249 ns/iter (+/- 6,088,600) = 5 MB/s
test mootools      ... bench:  40,816,116 ns/iter (+/- 2,189,441) = 3 MB/s
test underscore    ... bench:   6,125,418 ns/iter (+/- 289,367) = 7 MB/s
test yui           ... bench:  38,198,975 ns/iter (+/- 2,428,404) = 8 MB/s

After using jemalloc

test angular       ... bench:  34,375,460 ns/iter (+/- 2,386,434) = 20 MB/s
test babelify      ... bench:     488,075 ns/iter (+/- 45,154) = 22 MB/s
test backbone      ... bench:   5,264,165 ns/iter (+/- 573,201) = 11 MB/s
test jquery        ... bench:  29,983,147 ns/iter (+/- 1,805,791) = 8 MB/s
test jquery_mobile ... bench:  49,249,437 ns/iter (+/- 2,625,456) = 9 MB/s
test mootools      ... bench:  29,492,723 ns/iter (+/- 2,126,989) = 5 MB/s
test underscore    ... bench:   4,238,421 ns/iter (+/- 320,107) = 10 MB/s
test yui           ... bench:  27,603,162 ns/iter (+/- 1,839,021) = 12 MB/s

After using copyless for boxes

test angular       ... bench:  33,790,241 ns/iter (+/- 2,123,525) = 21 MB/s
test babelify      ... bench:     497,054 ns/iter (+/- 58,993) = 21 MB/s
test backbone      ... bench:   5,209,823 ns/iter (+/- 550,537) = 11 MB/s
test jquery        ... bench:  29,559,234 ns/iter (+/- 1,742,346) = 9 MB/s
test jquery_mobile ... bench:  49,214,710 ns/iter (+/- 2,680,665) = 9 MB/s
test mootools      ... bench:  29,738,602 ns/iter (+/- 2,096,287) = 5 MB/s
test underscore    ... bench:   4,234,815 ns/iter (+/- 708,228) = 10 MB/s
test yui           ... bench:  27,570,892 ns/iter (+/- 1,885,246) = 12 MB/s

After using fxhash for comments.

test angular       ... bench:  31,653,049 ns/iter (+/- 2,234,914) = 22 MB/s
test babelify_only ... bench:     404,191 ns/iter (+/- 45,262) = 26 MB/s
test backbone      ... bench:   4,858,431 ns/iter (+/- 467,803) = 12 MB/s
test jquery        ... bench:  27,577,714 ns/iter (+/- 2,124,938) = 9 MB/s
test jquery_mobile ... bench:  45,780,071 ns/iter (+/- 2,254,891) = 9 MB/s
test mootools      ... bench:  27,561,764 ns/iter (+/- 959,586) = 5 MB/s
test underscore    ... bench:   3,941,828 ns/iter (+/- 649,169) = 11 MB/s
test yui           ... bench:  25,733,196 ns/iter (+/- 1,801,382) = 13 MB/s

After using ahash

test babelify_only                    ... bench:     608,587 ns/iter (+/- 724,437) = 17 MB/s
test parse_and_babelify_angular       ... bench:  32,331,065 ns/iter (+/- 1,527,210) = 22 MB/s
test parse_and_babelify_backbone      ... bench:   4,934,778 ns/iter (+/- 347,390) = 12 MB/s
test parse_and_babelify_jquery        ... bench:  28,162,852 ns/iter (+/- 1,565,345) = 9 MB/s
test parse_and_babelify_jquery_mobile ... bench:  46,670,964 ns/iter (+/- 1,742,944) = 9 MB/s
test parse_and_babelify_mootools      ... bench:  27,863,522 ns/iter (+/- 1,414,709) = 5 MB/s
test parse_and_babelify_underscore    ... bench:   3,973,752 ns/iter (+/- 350,331) = 10 MB/s
test parse_and_babelify_yui           ... bench:  26,188,477 ns/iter (+/- 1,363,907) = 12 MB/s

After using const rng of ahash

test babelify_only                    ... bench:     423,668 ns/iter (+/- 39,794) = 25 MB/s
test parse_and_babelify_angular       ... bench:  32,431,881 ns/iter (+/- 1,501,281) = 22 MB/s
test parse_and_babelify_backbone      ... bench:   5,019,902 ns/iter (+/- 418,990) = 11 MB/s
test parse_and_babelify_jquery        ... bench:  28,272,663 ns/iter (+/- 1,737,157) = 9 MB/s
test parse_and_babelify_jquery_mobile ... bench:  47,016,864 ns/iter (+/- 2,035,042) = 9 MB/s
test parse_and_babelify_mootools      ... bench:  28,305,270 ns/iter (+/- 1,417,147) = 5 MB/s
test parse_and_babelify_underscore    ... bench:   4,037,318 ns/iter (+/- 506,713) = 10 MB/s
test parse_and_babelify_yui           ... bench:  26,380,910 ns/iter (+/- 1,464,443) = 12 MB/s