[pull] master from ruby:master #383
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lobsters before:
<details>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (60.5% of total 11,039,954):
Kernel#is_a?: 1,030,769 ( 9.3%)
String#<<: 851,954 ( 7.7%)
Hash#[]=: 742,941 ( 6.7%)
Regexp#match?: 399,894 ( 3.6%)
String#empty?: 353,775 ( 3.2%)
Hash#key?: 349,147 ( 3.2%)
String#start_with?: 334,961 ( 3.0%)
Kernel#respond_to?: 316,528 ( 2.9%)
ObjectSpace::WeakKeyMap#[]: 238,978 ( 2.2%)
TrueClass#===: 235,771 ( 2.1%)
FalseClass#===: 231,144 ( 2.1%)
Array#include?: 211,385 ( 1.9%)
Hash#fetch: 204,702 ( 1.9%)
Kernel#block_given?: 181,797 ( 1.6%)
Kernel#dup: 179,341 ( 1.6%)
BasicObject#!=: 175,997 ( 1.6%)
Class#new: 168,079 ( 1.5%)
Kernel#kind_of?: 165,600 ( 1.5%)
String#==: 157,735 ( 1.4%)
Module#clock_gettime: 144,992 ( 1.3%)
Top-20 not annotated C methods (61.4% of total 11,202,087):
Kernel#is_a?: 1,212,660 (10.8%)
String#<<: 851,954 ( 7.6%)
Hash#[]=: 743,120 ( 6.6%)
Regexp#match?: 399,894 ( 3.6%)
String#empty?: 361,013 ( 3.2%)
Hash#key?: 349,147 ( 3.1%)
String#start_with?: 334,961 ( 3.0%)
Kernel#respond_to?: 316,528 ( 2.8%)
ObjectSpace::WeakKeyMap#[]: 238,978 ( 2.1%)
TrueClass#===: 235,771 ( 2.1%)
FalseClass#===: 231,144 ( 2.1%)
Array#include?: 211,385 ( 1.9%)
Hash#fetch: 204,702 ( 1.8%)
Kernel#block_given?: 191,666 ( 1.7%)
Kernel#dup: 179,348 ( 1.6%)
BasicObject#!=: 176,181 ( 1.6%)
Class#new: 168,079 ( 1.5%)
Kernel#kind_of?: 165,634 ( 1.5%)
String#==: 163,667 ( 1.5%)
Module#clock_gettime: 144,992 ( 1.3%)
Top-2 not optimized method types for send (100.0% of total 72,318):
cfunc: 48,055 (66.4%)
iseq: 24,263 (33.6%)
Top-6 not optimized method types for send_without_block (100.0% of total 4,523,682):
iseq: 2,271,936 (50.2%)
bmethod: 985,636 (21.8%)
optimized: 949,703 (21.0%)
alias: 310,747 ( 6.9%)
null: 5,106 ( 0.1%)
cfunc: 554 ( 0.0%)
Top-13 not optimized instructions (100.0% of total 4,293,171):
invokesuper: 2,373,404 (55.3%)
invokeblock: 811,926 (18.9%)
sendforward: 505,452 (11.8%)
opt_eq: 451,754 (10.5%)
opt_plus: 74,404 ( 1.7%)
opt_minus: 36,228 ( 0.8%)
opt_send_without_block: 21,792 ( 0.5%)
opt_neq: 7,231 ( 0.2%)
opt_mult: 6,752 ( 0.2%)
opt_or: 3,753 ( 0.1%)
opt_lt: 348 ( 0.0%)
opt_ge: 91 ( 0.0%)
opt_gt: 36 ( 0.0%)
Top-9 send fallback reasons (100.0% of total 25,530,724):
send_without_block_polymorphic: 9,722,491 (38.1%)
send_no_profiles: 5,894,788 (23.1%)
send_without_block_not_optimized_method_type: 4,523,682 (17.7%)
not_optimized_instruction: 4,293,171 (16.8%)
send_without_block_no_profiles: 998,746 ( 3.9%)
send_not_optimized_method_type: 72,318 ( 0.3%)
send_without_block_cfunc_array_variadic: 15,134 ( 0.1%)
obj_to_string_not_string: 9,765 ( 0.0%)
send_without_block_direct_too_many_args: 629 ( 0.0%)
Top-9 unhandled YARV insns (100.0% of total 690,950):
expandarray: 328,490 (47.5%)
checkkeyword: 190,694 (27.6%)
getclassvariable: 59,901 ( 8.7%)
invokesuperforward: 49,503 ( 7.2%)
getblockparam: 49,119 ( 7.1%)
opt_duparray_send: 11,978 ( 1.7%)
getconstant: 952 ( 0.1%)
checkmatch: 290 ( 0.0%)
once: 23 ( 0.0%)
Top-3 compile error reasons (100.0% of total 3,718,636):
register_spill_on_alloc: 3,418,255 (91.9%)
register_spill_on_ccall: 182,018 ( 4.9%)
exception_handler: 118,363 ( 3.2%)
Top-14 side exit reasons (100.0% of total 10,860,385):
compile_error: 3,718,636 (34.2%)
guard_type_failure: 2,638,926 (24.3%)
guard_shape_failure: 1,917,209 (17.7%)
unhandled_yarv_insn: 690,950 ( 6.4%)
block_param_proxy_not_iseq_or_ifunc: 535,789 ( 4.9%)
unhandled_kwarg: 455,347 ( 4.2%)
patchpoint: 370,476 ( 3.4%)
unknown_newarray_send: 314,786 ( 2.9%)
unhandled_splat: 122,071 ( 1.1%)
unhandled_hir_insn: 76,397 ( 0.7%)
block_param_proxy_modified: 19,193 ( 0.2%)
obj_to_string_fallback: 566 ( 0.0%)
guard_type_not_failure: 22 ( 0.0%)
interrupt: 17 ( 0.0%)
send_count: 62,244,604
dynamic_send_count: 25,530,724 (41.0%)
optimized_send_count: 36,713,880 (59.0%)
iseq_optimized_send_count: 18,587,512 (29.9%)
inline_cfunc_optimized_send_count: 7,086,414 (11.4%)
non_variadic_cfunc_optimized_send_count: 8,375,754 (13.5%)
variadic_cfunc_optimized_send_count: 2,664,200 ( 4.3%)
dynamic_getivar_count: 7,365,995
dynamic_setivar_count: 7,245,005
compiled_iseq_count: 4,796
failed_iseq_count: 447
compile_time: 814ms
profile_time: 9ms
gc_time: 9ms
invalidation_time: 72ms
vm_write_pc_count: 64,156,223
vm_write_sp_count: 62,812,449
vm_write_locals_count: 62,812,449
vm_write_stack_count: 62,812,449
vm_write_to_parent_iseq_local_count: 292,458
vm_read_from_parent_iseq_local_count: 6,599,701
code_region_bytes: 22,953,984
side_exit_count: 10,860,385
total_insn_count: 517,606,340
vm_insn_count: 162,979,530
zjit_insn_count: 354,626,810
ratio_in_zjit: 68.5%
```
</details>
lobsters after:
<details>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (59.9% of total 11,291,815):
Kernel#is_a?: 1,046,269 ( 9.3%)
String#<<: 851,954 ( 7.5%)
Hash#[]=: 743,274 ( 6.6%)
Regexp#match?: 399,894 ( 3.5%)
String#empty?: 353,775 ( 3.1%)
Hash#key?: 349,147 ( 3.1%)
String#start_with?: 334,961 ( 3.0%)
Kernel#respond_to?: 316,502 ( 2.8%)
ObjectSpace::WeakKeyMap#[]: 238,978 ( 2.1%)
TrueClass#===: 235,771 ( 2.1%)
FalseClass#===: 231,144 ( 2.0%)
String#sub!: 219,579 ( 1.9%)
Array#include?: 211,385 ( 1.9%)
Hash#fetch: 204,702 ( 1.8%)
Kernel#block_given?: 181,797 ( 1.6%)
Kernel#dup: 179,341 ( 1.6%)
BasicObject#!=: 175,997 ( 1.6%)
Class#new: 168,079 ( 1.5%)
Kernel#kind_of?: 165,600 ( 1.5%)
String#==: 157,742 ( 1.4%)
Top-20 not annotated C methods (60.9% of total 11,466,928):
Kernel#is_a?: 1,239,923 (10.8%)
String#<<: 851,954 ( 7.4%)
Hash#[]=: 743,453 ( 6.5%)
Regexp#match?: 399,894 ( 3.5%)
String#empty?: 361,013 ( 3.1%)
Hash#key?: 349,147 ( 3.0%)
String#start_with?: 334,961 ( 2.9%)
Kernel#respond_to?: 316,502 ( 2.8%)
ObjectSpace::WeakKeyMap#[]: 238,978 ( 2.1%)
TrueClass#===: 235,771 ( 2.1%)
FalseClass#===: 231,144 ( 2.0%)
String#sub!: 219,579 ( 1.9%)
Array#include?: 211,385 ( 1.8%)
Hash#fetch: 204,702 ( 1.8%)
Kernel#block_given?: 191,666 ( 1.7%)
Kernel#dup: 179,348 ( 1.6%)
BasicObject#!=: 176,181 ( 1.5%)
Class#new: 168,079 ( 1.5%)
Kernel#kind_of?: 165,634 ( 1.4%)
String#==: 163,674 ( 1.4%)
Top-2 not optimized method types for send (100.0% of total 72,318):
cfunc: 48,055 (66.4%)
iseq: 24,263 (33.6%)
Top-6 not optimized method types for send_without_block (100.0% of total 4,524,016):
iseq: 2,272,269 (50.2%)
bmethod: 985,636 (21.8%)
optimized: 949,704 (21.0%)
alias: 310,747 ( 6.9%)
null: 5,106 ( 0.1%)
cfunc: 554 ( 0.0%)
Top-13 not optimized instructions (100.0% of total 4,294,241):
invokesuper: 2,375,446 (55.3%)
invokeblock: 810,955 (18.9%)
sendforward: 505,451 (11.8%)
opt_eq: 451,754 (10.5%)
opt_plus: 74,404 ( 1.7%)
opt_minus: 36,228 ( 0.8%)
opt_send_without_block: 21,792 ( 0.5%)
opt_neq: 7,231 ( 0.2%)
opt_mult: 6,752 ( 0.2%)
opt_or: 3,753 ( 0.1%)
opt_lt: 348 ( 0.0%)
opt_ge: 91 ( 0.0%)
opt_gt: 36 ( 0.0%)
Top-9 send fallback reasons (100.0% of total 25,534,542):
send_without_block_polymorphic: 9,723,469 (38.1%)
send_no_profiles: 5,896,023 (23.1%)
send_without_block_not_optimized_method_type: 4,524,016 (17.7%)
not_optimized_instruction: 4,294,241 (16.8%)
send_without_block_no_profiles: 998,947 ( 3.9%)
send_not_optimized_method_type: 72,318 ( 0.3%)
send_without_block_cfunc_array_variadic: 15,134 ( 0.1%)
obj_to_string_not_string: 9,765 ( 0.0%)
send_without_block_direct_too_many_args: 629 ( 0.0%)
Top-8 unhandled YARV insns (100.0% of total 362,460):
checkkeyword: 190,694 (52.6%)
getclassvariable: 59,901 (16.5%)
invokesuperforward: 49,503 (13.7%)
getblockparam: 49,119 (13.6%)
opt_duparray_send: 11,978 ( 3.3%)
getconstant: 952 ( 0.3%)
checkmatch: 290 ( 0.1%)
once: 23 ( 0.0%)
Top-3 compile error reasons (100.0% of total 3,798,744):
register_spill_on_alloc: 3,495,669 (92.0%)
register_spill_on_ccall: 184,712 ( 4.9%)
exception_handler: 118,363 ( 3.1%)
Top-15 side exit reasons (100.0% of total 10,637,319):
compile_error: 3,798,744 (35.7%)
guard_type_failure: 2,655,504 (25.0%)
guard_shape_failure: 1,917,217 (18.0%)
block_param_proxy_not_iseq_or_ifunc: 535,789 ( 5.0%)
unhandled_kwarg: 455,492 ( 4.3%)
patchpoint: 370,478 ( 3.5%)
unhandled_yarv_insn: 362,460 ( 3.4%)
unknown_newarray_send: 314,786 ( 3.0%)
unhandled_splat: 122,071 ( 1.1%)
unhandled_hir_insn: 83,066 ( 0.8%)
block_param_proxy_modified: 19,193 ( 0.2%)
guard_int_equals_failure: 1,914 ( 0.0%)
obj_to_string_fallback: 566 ( 0.0%)
guard_type_not_failure: 22 ( 0.0%)
interrupt: 17 ( 0.0%)
send_count: 62,495,067
dynamic_send_count: 25,534,542 (40.9%)
optimized_send_count: 36,960,525 (59.1%)
iseq_optimized_send_count: 18,582,072 (29.7%)
inline_cfunc_optimized_send_count: 7,086,638 (11.3%)
non_variadic_cfunc_optimized_send_count: 8,392,657 (13.4%)
variadic_cfunc_optimized_send_count: 2,899,158 ( 4.6%)
dynamic_getivar_count: 7,365,994
dynamic_setivar_count: 7,248,500
compiled_iseq_count: 4,780
failed_iseq_count: 463
compile_time: 816ms
profile_time: 9ms
gc_time: 11ms
invalidation_time: 70ms
vm_write_pc_count: 64,363,541
vm_write_sp_count: 63,022,221
vm_write_locals_count: 63,022,221
vm_write_stack_count: 63,022,221
vm_write_to_parent_iseq_local_count: 292,458
vm_read_from_parent_iseq_local_count: 6,850,977
code_region_bytes: 23,019,520
side_exit_count: 10,637,319
total_insn_count: 517,303,190
vm_insn_count: 160,562,103
zjit_insn_count: 356,741,087
ratio_in_zjit: 69.0%
```
</details>
railsbench before:
<details>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (66.1% of total 25,524,934):
Hash#[]=: 1,700,237 ( 6.7%)
String#getbyte: 1,572,123 ( 6.2%)
String#<<: 1,494,022 ( 5.9%)
Kernel#is_a?: 1,429,930 ( 5.6%)
String#empty?: 1,370,323 ( 5.4%)
Regexp#match?: 1,235,067 ( 4.8%)
Kernel#respond_to?: 1,198,251 ( 4.7%)
Hash#key?: 1,087,406 ( 4.3%)
String#setbyte: 810,022 ( 3.2%)
Integer#^: 766,624 ( 3.0%)
Kernel#block_given?: 603,613 ( 2.4%)
String#==: 590,409 ( 2.3%)
Class#new: 506,216 ( 2.0%)
Hash#delete: 455,288 ( 1.8%)
BasicObject#!=: 428,771 ( 1.7%)
Hash#fetch: 408,621 ( 1.6%)
String#ascii_only?: 373,915 ( 1.5%)
ObjectSpace::WeakKeyMap#[]: 287,957 ( 1.1%)
NilClass#===: 277,244 ( 1.1%)
Kernel#Array: 269,590 ( 1.1%)
Top-20 not annotated C methods (66.8% of total 25,392,654):
Hash#[]=: 1,700,416 ( 6.7%)
String#getbyte: 1,572,123 ( 6.2%)
Kernel#is_a?: 1,515,672 ( 6.0%)
String#<<: 1,494,022 ( 5.9%)
String#empty?: 1,370,478 ( 5.4%)
Regexp#match?: 1,235,067 ( 4.9%)
Kernel#respond_to?: 1,198,251 ( 4.7%)
Hash#key?: 1,087,406 ( 4.3%)
String#setbyte: 810,022 ( 3.2%)
Integer#^: 766,624 ( 3.0%)
Kernel#block_given?: 603,613 ( 2.4%)
String#==: 601,115 ( 2.4%)
Class#new: 506,216 ( 2.0%)
Hash#delete: 455,288 ( 1.8%)
BasicObject#!=: 428,876 ( 1.7%)
Hash#fetch: 408,621 ( 1.6%)
String#ascii_only?: 373,915 ( 1.5%)
ObjectSpace::WeakKeyMap#[]: 287,957 ( 1.1%)
NilClass#===: 277,244 ( 1.1%)
Kernel#Array: 269,590 ( 1.1%)
Top-2 not optimized method types for send (100.0% of total 186,159):
iseq: 112,747 (60.6%)
cfunc: 73,412 (39.4%)
Top-6 not optimized method types for send_without_block (100.0% of total 8,142,248):
iseq: 3,464,671 (42.6%)
optimized: 2,632,884 (32.3%)
bmethod: 1,290,701 (15.9%)
alias: 706,020 ( 8.7%)
null: 47,942 ( 0.6%)
cfunc: 30 ( 0.0%)
Top-11 not optimized instructions (100.0% of total 8,394,873):
invokesuper: 5,602,274 (66.7%)
invokeblock: 1,764,936 (21.0%)
sendforward: 551,832 ( 6.6%)
opt_eq: 441,959 ( 5.3%)
opt_plus: 31,635 ( 0.4%)
opt_send_without_block: 1,163 ( 0.0%)
opt_lt: 372 ( 0.0%)
opt_mult: 251 ( 0.0%)
opt_ge: 193 ( 0.0%)
opt_neq: 149 ( 0.0%)
opt_or: 109 ( 0.0%)
Top-8 send fallback reasons (100.0% of total 40,748,753):
send_without_block_polymorphic: 12,933,923 (31.7%)
send_no_profiles: 9,033,636 (22.2%)
not_optimized_instruction: 8,394,873 (20.6%)
send_without_block_not_optimized_method_type: 8,142,248 (20.0%)
send_without_block_no_profiles: 1,839,228 ( 4.5%)
send_without_block_cfunc_array_variadic: 215,046 ( 0.5%)
send_not_optimized_method_type: 186,159 ( 0.5%)
obj_to_string_not_string: 3,640 ( 0.0%)
Top-9 unhandled YARV insns (100.0% of total 1,604,456):
getclassvariable: 458,136 (28.6%)
getblockparam: 455,921 (28.4%)
checkkeyword: 265,425 (16.5%)
invokesuperforward: 239,383 (14.9%)
expandarray: 137,305 ( 8.6%)
getconstant: 48,100 ( 3.0%)
checkmatch: 149 ( 0.0%)
once: 23 ( 0.0%)
opt_duparray_send: 14 ( 0.0%)
Top-3 compile error reasons (100.0% of total 5,570,130):
register_spill_on_alloc: 4,994,130 (89.7%)
exception_handler: 356,784 ( 6.4%)
register_spill_on_ccall: 219,216 ( 3.9%)
Top-13 side exit reasons (100.0% of total 12,412,181):
compile_error: 5,570,130 (44.9%)
unhandled_yarv_insn: 1,604,456 (12.9%)
guard_shape_failure: 1,462,872 (11.8%)
guard_type_failure: 845,891 ( 6.8%)
block_param_proxy_not_iseq_or_ifunc: 765,968 ( 6.2%)
unhandled_kwarg: 658,341 ( 5.3%)
patchpoint: 504,437 ( 4.1%)
unhandled_splat: 446,990 ( 3.6%)
unknown_newarray_send: 332,740 ( 2.7%)
unhandled_hir_insn: 160,205 ( 1.3%)
block_param_proxy_modified: 59,589 ( 0.5%)
obj_to_string_fallback: 553 ( 0.0%)
interrupt: 9 ( 0.0%)
send_count: 119,067,587
dynamic_send_count: 40,748,753 (34.2%)
optimized_send_count: 78,318,834 (65.8%)
iseq_optimized_send_count: 39,936,542 (33.5%)
inline_cfunc_optimized_send_count: 12,857,358 (10.8%)
non_variadic_cfunc_optimized_send_count: 19,722,584 (16.6%)
variadic_cfunc_optimized_send_count: 5,802,350 ( 4.9%)
dynamic_getivar_count: 10,980,323
dynamic_setivar_count: 12,962,726
compiled_iseq_count: 2,531
failed_iseq_count: 245
compile_time: 414ms
profile_time: 21ms
gc_time: 33ms
invalidation_time: 5ms
vm_write_pc_count: 129,093,714
vm_write_sp_count: 126,023,084
vm_write_locals_count: 126,023,084
vm_write_stack_count: 126,023,084
vm_write_to_parent_iseq_local_count: 385,461
vm_read_from_parent_iseq_local_count: 11,266,484
code_region_bytes: 12,156,928
side_exit_count: 12,412,181
total_insn_count: 866,780,158
vm_insn_count: 216,821,134
zjit_insn_count: 649,959,024
ratio_in_zjit: 75.0%
```
</details>
railsbench after:
<details>
```
***ZJIT: Printing ZJIT statistics on exit***
Top-20 not inlined C methods (66.0% of total 25,597,895):
Hash#[]=: 1,724,042 ( 6.7%)
String#getbyte: 1,572,123 ( 6.1%)
String#<<: 1,494,022 ( 5.8%)
Kernel#is_a?: 1,429,946 ( 5.6%)
String#empty?: 1,370,323 ( 5.4%)
Regexp#match?: 1,235,067 ( 4.8%)
Kernel#respond_to?: 1,198,251 ( 4.7%)
Hash#key?: 1,087,406 ( 4.2%)
String#setbyte: 810,022 ( 3.2%)
Integer#^: 766,624 ( 3.0%)
Kernel#block_given?: 603,613 ( 2.4%)
String#==: 590,699 ( 2.3%)
Class#new: 506,216 ( 2.0%)
Hash#delete: 455,288 ( 1.8%)
BasicObject#!=: 428,771 ( 1.7%)
Hash#fetch: 408,621 ( 1.6%)
String#ascii_only?: 373,915 ( 1.5%)
ObjectSpace::WeakKeyMap#[]: 287,957 ( 1.1%)
NilClass#===: 277,244 ( 1.1%)
Kernel#Array: 269,590 ( 1.1%)
Top-20 not annotated C methods (66.7% of total 25,465,615):
Hash#[]=: 1,724,221 ( 6.8%)
String#getbyte: 1,572,123 ( 6.2%)
Kernel#is_a?: 1,515,688 ( 6.0%)
String#<<: 1,494,022 ( 5.9%)
String#empty?: 1,370,478 ( 5.4%)
Regexp#match?: 1,235,067 ( 4.8%)
Kernel#respond_to?: 1,198,251 ( 4.7%)
Hash#key?: 1,087,406 ( 4.3%)
String#setbyte: 810,022 ( 3.2%)
Integer#^: 766,624 ( 3.0%)
Kernel#block_given?: 603,613 ( 2.4%)
String#==: 601,405 ( 2.4%)
Class#new: 506,216 ( 2.0%)
Hash#delete: 455,288 ( 1.8%)
BasicObject#!=: 428,876 ( 1.7%)
Hash#fetch: 408,621 ( 1.6%)
String#ascii_only?: 373,915 ( 1.5%)
ObjectSpace::WeakKeyMap#[]: 287,957 ( 1.1%)
NilClass#===: 277,244 ( 1.1%)
Kernel#Array: 269,590 ( 1.1%)
Top-2 not optimized method types for send (100.0% of total 186,159):
iseq: 112,747 (60.6%)
cfunc: 73,412 (39.4%)
Top-6 not optimized method types for send_without_block (100.0% of total 8,142,248):
iseq: 3,464,671 (42.6%)
optimized: 2,632,884 (32.3%)
bmethod: 1,290,701 (15.9%)
alias: 706,020 ( 8.7%)
null: 47,942 ( 0.6%)
cfunc: 30 ( 0.0%)
Top-11 not optimized instructions (100.0% of total 8,442,456):
invokesuper: 5,649,857 (66.9%)
invokeblock: 1,764,936 (20.9%)
sendforward: 551,832 ( 6.5%)
opt_eq: 441,959 ( 5.2%)
opt_plus: 31,635 ( 0.4%)
opt_send_without_block: 1,163 ( 0.0%)
opt_lt: 372 ( 0.0%)
opt_mult: 251 ( 0.0%)
opt_ge: 193 ( 0.0%)
opt_neq: 149 ( 0.0%)
opt_or: 109 ( 0.0%)
Top-8 send fallback reasons (100.0% of total 40,796,314):
send_without_block_polymorphic: 12,933,921 (31.7%)
send_no_profiles: 9,033,616 (22.1%)
not_optimized_instruction: 8,442,456 (20.7%)
send_without_block_not_optimized_method_type: 8,142,248 (20.0%)
send_without_block_no_profiles: 1,839,228 ( 4.5%)
send_without_block_cfunc_array_variadic: 215,046 ( 0.5%)
send_not_optimized_method_type: 186,159 ( 0.5%)
obj_to_string_not_string: 3,640 ( 0.0%)
Top-8 unhandled YARV insns (100.0% of total 1,467,151):
getclassvariable: 458,136 (31.2%)
getblockparam: 455,921 (31.1%)
checkkeyword: 265,425 (18.1%)
invokesuperforward: 239,383 (16.3%)
getconstant: 48,100 ( 3.3%)
checkmatch: 149 ( 0.0%)
once: 23 ( 0.0%)
opt_duparray_send: 14 ( 0.0%)
Top-3 compile error reasons (100.0% of total 5,825,923):
register_spill_on_alloc: 5,225,940 (89.7%)
exception_handler: 356,784 ( 6.1%)
register_spill_on_ccall: 243,199 ( 4.2%)
Top-13 side exit reasons (100.0% of total 12,530,763):
compile_error: 5,825,923 (46.5%)
unhandled_yarv_insn: 1,467,151 (11.7%)
guard_shape_failure: 1,462,876 (11.7%)
guard_type_failure: 845,913 ( 6.8%)
block_param_proxy_not_iseq_or_ifunc: 765,968 ( 6.1%)
unhandled_kwarg: 658,341 ( 5.3%)
patchpoint: 504,437 ( 4.0%)
unhandled_splat: 446,990 ( 3.6%)
unknown_newarray_send: 332,740 ( 2.7%)
unhandled_hir_insn: 160,273 ( 1.3%)
block_param_proxy_modified: 59,589 ( 0.5%)
obj_to_string_fallback: 553 ( 0.0%)
interrupt: 9 ( 0.0%)
send_count: 119,163,569
dynamic_send_count: 40,796,314 (34.2%)
optimized_send_count: 78,367,255 (65.8%)
iseq_optimized_send_count: 39,911,967 (33.5%)
inline_cfunc_optimized_send_count: 12,857,393 (10.8%)
non_variadic_cfunc_optimized_send_count: 19,770,401 (16.6%)
variadic_cfunc_optimized_send_count: 5,827,494 ( 4.9%)
dynamic_getivar_count: 10,980,323
dynamic_setivar_count: 12,986,381
compiled_iseq_count: 2,523
failed_iseq_count: 252
compile_time: 420ms
profile_time: 21ms
gc_time: 30ms
invalidation_time: 4ms
vm_write_pc_count: 128,973,665
vm_write_sp_count: 125,926,968
vm_write_locals_count: 125,926,968
vm_write_stack_count: 125,926,968
vm_write_to_parent_iseq_local_count: 385,752
vm_read_from_parent_iseq_local_count: 11,267,766
code_region_bytes: 12,189,696
side_exit_count: 12,530,763
total_insn_count: 866,667,490
vm_insn_count: 217,813,201
zjit_insn_count: 648,854,289
ratio_in_zjit: 74.9%
```
</details>
It turns out that we don't use it anywhere.
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