rust/zerocopy/benches/extend_vec_zeroed.x86-64.mca

Source file repositories/reference/linux-study-clean/rust/zerocopy/benches/extend_vec_zeroed.x86-64.mca

File Facts

System
Linux kernel
Corpus path
rust/zerocopy/benches/extend_vec_zeroed.x86-64.mca
Extension
.mca
Size
7831 bytes
Lines
148
Domain
Rust Kernel Layer
Bucket
Rust API Membrane
Inferred role
Rust Kernel Layer: Rust API Membrane
Status
atlas-only

Why This File Exists

Rust-side wrappers and abstractions around kernel C APIs, ownership contracts, allocation, synchronization, and module integration.

Dependency Surface

Detected Declarations

Annotated Snippet

Iterations:        100
Instructions:      5400
Total Cycles:      6595
Total uOps:        6800

Dispatch Width:    4
uOps Per Cycle:    1.03
IPC:               0.82
Block RThroughput: 17.0


Instruction Info:
[1]: #uOps
[2]: Latency
[3]: RThroughput
[4]: MayLoad
[5]: MayStore
[6]: HasSideEffects (U)

[1]    [2]    [3]    [4]    [5]    [6]    Instructions:
 2      5     1.00           *            push	r15
 2      5     1.00           *            push	r14
 2      5     1.00           *            push	r13
 2      5     1.00           *            push	r12
 2      5     1.00           *            push	rbx
 1      1     0.33                        sub	rsp, 32
 1      1     0.33                        mov	rbx, rdi
 1      5     0.50    *                   mov	rax, qword ptr [rdi]
 1      5     0.50    *                   mov	r12, qword ptr [rdi + 16]
 1      1     0.33                        mov	rcx, rax
 1      1     0.33                        sub	rcx, r12
 1      1     0.33                        cmp	rsi, rcx
 1      1     1.00                        jbe	.LBB6_3
 1      1     0.33                        mov	r15, r12
 1      1     0.33                        add	r15, rsi
 1      1     1.00                        jae	.LBB6_6
 1      0     0.25                        xor	eax, eax
 1      1     1.00                        jmp	.LBB6_5
 1      5     0.50    *                   mov	rax, qword ptr [rbx + 8]
 1      1     0.50                        lea	r15, [r12 + rsi]
 1      1     0.50                        lea	rcx, [r12 + 2*r12]
 1      1     0.50                        lea	rdi, [rax + 2*rcx]
 1      1     0.33                        add	rsi, rsi
 1      1     0.50                        lea	rdx, [rsi + 2*rsi]
 1      0     0.25                        xor	esi, esi
 4      7     1.00    *                   call	qword ptr [rip + memset@GOTPCREL]
 1      1     1.00           *            mov	qword ptr [rbx + 16], r15
 1      1     0.33                        mov	al, 1
 1      1     0.33                        add	rsp, 32
 1      6     0.50    *                   pop	rbx
 1      6     0.50    *                   pop	r12
 1      6     0.50    *                   pop	r13
 1      6     0.50    *                   pop	r14
 1      6     0.50    *                   pop	r15
 1      1     1.00                  U     ret
 1      1     0.33                        mov	r13, rsi
 1      1     0.50                        lea	rcx, [rax + rax]
 1      1     0.33                        cmp	r15, rcx
 3      3     1.00                        cmova	rcx, r15
 1      1     0.33                        cmp	rcx, 5
 1      1     0.33                        mov	r14d, 4
 2      2     0.67                        cmovae	r14, rcx
 1      5     0.50    *                   mov	rdx, qword ptr [rbx + 8]
 1      1     0.50                        lea	rdi, [rsp + 8]
 1      1     0.33                        mov	rsi, rax
 1      1     0.33                        mov	rcx, r14
 3      5     1.00                        call	<alloc::raw_vec::RawVecInner>::finish_grow
 2      6     0.50    *                   cmp	dword ptr [rsp + 8], 1
 1      1     1.00                        je	.LBB6_2
 1      5     0.50    *                   mov	rax, qword ptr [rsp + 16]

Annotation

Implementation Notes