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YJIT: Decrease SEND_MAX_DEPTH to 5 (#8390)

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This commit is contained in:
Takashi Kokubun 2023-09-07 11:22:34 -07:00 committed by GitHub
parent 60a52caf87
commit fcdedf7f47
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
Notes: git 2023-09-07 18:22:55 +00:00 
Merged-By: maximecb <maximecb@ruby-lang.org>
1 changed files with 14 additions and 17 deletions
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31
yjit/src/codegen.rs
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@ -2035,10 +2035,10 @@ fn jit_chain_guard(
} }
} }
// up to 5 different classes, and embedded or not for each // up to 10 different classes, and embedded or not for each
pub const GET_IVAR_MAX_DEPTH: i32 = 10; pub const GET_IVAR_MAX_DEPTH: i32 = 10;
// up to 5 different classes, and embedded or not for each // up to 10 different classes, and embedded or not for each
pub const SET_IVAR_MAX_DEPTH: i32 = 10; pub const SET_IVAR_MAX_DEPTH: i32 = 10;
// hashes and arrays // hashes and arrays
@ -2047,11 +2047,8 @@ pub const OPT_AREF_MAX_CHAIN_DEPTH: i32 = 2;
// expandarray // expandarray
pub const EXPANDARRAY_MAX_CHAIN_DEPTH: i32 = 4; pub const EXPANDARRAY_MAX_CHAIN_DEPTH: i32 = 4;
// up to 10 different classes // up to 5 different methods for send
pub const SEND_MAX_DEPTH: i32 = 20; pub const SEND_MAX_DEPTH: i32 = 5;
// up to 20 different methods for send
pub const SEND_MAX_CHAIN_DEPTH: i32 = 20;
// up to 20 different offsets for case-when // up to 20 different offsets for case-when
pub const CASE_WHEN_MAX_DEPTH: i32 = 20; pub const CASE_WHEN_MAX_DEPTH: i32 = 20;
@ -4385,7 +4382,7 @@ fn jit_rb_kernel_instance_of(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_send_instance_of_class_mismatch, Counter::guard_send_instance_of_class_mismatch,
); );
@ -4986,7 +4983,7 @@ fn jit_obj_respond_to(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_send_respond_to_mid_mismatch, Counter::guard_send_respond_to_mid_mismatch,
); );
@ -6038,7 +6035,7 @@ fn gen_send_iseq(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_send_block_arg_type, Counter::guard_send_block_arg_type,
); );
@ -7186,7 +7183,7 @@ fn gen_send_general(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_send_send_chain, Counter::guard_send_send_chain,
); );
@ -7428,7 +7425,7 @@ fn gen_invokeblock_specialized(
} }
// Fallback to dynamic dispatch if this callsite is megamorphic // Fallback to dynamic dispatch if this callsite is megamorphic
if asm.ctx.get_chain_depth() as i32 >= SEND_MAX_CHAIN_DEPTH { if asm.ctx.get_chain_depth() as i32 >= SEND_MAX_DEPTH {
gen_counter_incr(asm, Counter::invokeblock_megamorphic); gen_counter_incr(asm, Counter::invokeblock_megamorphic);
return None; return None;
} }
@ -7462,7 +7459,7 @@ fn gen_invokeblock_specialized(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_invokeblock_tag_changed, Counter::guard_invokeblock_tag_changed,
); );
@ -7478,7 +7475,7 @@ fn gen_invokeblock_specialized(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_invokeblock_iseq_block_changed, Counter::guard_invokeblock_iseq_block_changed,
); );
@ -7521,7 +7518,7 @@ fn gen_invokeblock_specialized(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_invokeblock_tag_changed, Counter::guard_invokeblock_tag_changed,
); );
@ -7602,7 +7599,7 @@ fn gen_invokesuper_specialized(
}; };
// Fallback to dynamic dispatch if this callsite is megamorphic // Fallback to dynamic dispatch if this callsite is megamorphic
if asm.ctx.get_chain_depth() as i32 >= SEND_MAX_CHAIN_DEPTH { if asm.ctx.get_chain_depth() as i32 >= SEND_MAX_DEPTH {
gen_counter_incr(asm, Counter::invokesuper_megamorphic); gen_counter_incr(asm, Counter::invokesuper_megamorphic);
return None; return None;
} }
@ -7686,7 +7683,7 @@ fn gen_invokesuper_specialized(
jit, jit,
asm, asm,
ocb, ocb,
SEND_MAX_CHAIN_DEPTH, SEND_MAX_DEPTH,
Counter::guard_invokesuper_me_changed, Counter::guard_invokesuper_me_changed,
); );