Open Menu / rust / zerocopy / benches / new_vec_zeroed.x86-64.mca 
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Iterations:        100
Instructions:      3700
Total Cycles:      3486
Total uOps:        4600

Dispatch Width:    4
uOps Per Cycle:    1.32
IPC:               1.06
Block RThroughput: 12.0


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

[1]    [2]    [3]    [4]    [5]    [6]    Instructions:
 1      1     0.33                        mov	rax, rdi
 1      1     0.33                        movabs	rcx, 1537228672809129301
 1      1     0.33                        cmp	rsi, rcx
 1      1     1.00                        ja	.LBB5_5
 1      1     0.33                        test	rsi, rsi
 1      1     1.00                        je	.LBB5_2
 2      5     1.00           *            push	r15
 2      5     1.00           *            push	r14
 2      5     1.00           *            push	rbx
 1      1     0.50                        lea	rcx, [rsi + rsi]
 1      1     0.50                        lea	rbx, [rcx + 2*rcx]
 1      1     0.33                        mov	r14, rax
 1      1     0.33                        mov	r15, rsi
 4      7     1.00    *                   call	qword ptr [rip + __rustc::__rust_no_alloc_shim_is_unstable_v2@GOTPCREL]
 1      1     0.33                        mov	esi, 2
 1      1     0.33                        mov	rdi, rbx
 4      7     1.00    *                   call	qword ptr [rip + __rustc::__rust_alloc_zeroed@GOTPCREL]
 1      1     0.33                        mov	rsi, r15
 1      1     0.33                        mov	rcx, rax
 1      1     0.33                        mov	rax, r14
 1      1     0.33                        test	rcx, rcx
 1      6     0.50    *                   pop	rbx
 1      6     0.50    *                   pop	r14
 1      6     0.50    *                   pop	r15
 1      1     1.00                        je	.LBB5_5
 1      1     1.00           *            mov	qword ptr [rax], rsi
 1      1     1.00           *            mov	qword ptr [rax + 8], rcx
 1      1     1.00           *            mov	qword ptr [rax + 16], rsi
 1      1     1.00                  U     ret
 1      1     0.33                        movabs	rcx, -9223372036854775808
 1      1     1.00           *            mov	qword ptr [rax], rcx
 1      1     1.00                  U     ret
 1      1     0.33                        mov	ecx, 2
 1      1     1.00           *            mov	qword ptr [rax], rsi
 1      1     1.00           *            mov	qword ptr [rax + 8], rcx
 1      1     1.00           *            mov	qword ptr [rax + 16], rsi
 1      1     1.00                  U     ret


Resources:
[0]   - SBDivider
[1]   - SBFPDivider
[2]   - SBPort0
[3]   - SBPort1
[4]   - SBPort4
[5]   - SBPort5
[6.0] - SBPort23
[6.1] - SBPort23


Resource pressure per iteration:
[0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  
 -      -     6.99   6.99   12.00  10.02  8.00   9.00   

Resource pressure by instruction:
[0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  Instructions:
 -      -     0.01   0.98    -     0.01    -      -     mov	rax, rdi
 -      -     0.98   0.02    -      -      -      -     movabs	rcx, 1537228672809129301
 -      -     0.02   0.98    -      -      -      -     cmp	rsi, rcx
 -      -      -      -      -     1.00    -      -     ja	.LBB5_5
 -      -     0.98    -      -     0.02    -      -     test	rsi, rsi
 -      -      -      -      -     1.00    -      -     je	.LBB5_2
 -      -      -      -     1.00    -      -     1.00   push	r15
 -      -      -      -     1.00    -     1.00    -     push	r14
 -      -      -      -     1.00    -      -     1.00   push	rbx
 -      -      -     1.00    -      -      -      -     lea	rcx, [rsi + rsi]
 -      -      -     1.00    -      -      -      -     lea	rbx, [rcx + 2*rcx]
 -      -     1.00    -      -      -      -      -     mov	r14, rax
 -      -     1.00    -      -      -      -      -     mov	r15, rsi
 -      -      -      -     1.00   1.00   2.00    -     call	qword ptr [rip + __rustc::__rust_no_alloc_shim_is_unstable_v2@GOTPCREL]
 -      -      -     0.01    -     0.99    -      -     mov	esi, 2
 -      -     0.01   0.99    -      -      -      -     mov	rdi, rbx
 -      -      -      -     1.00   1.00    -     2.00   call	qword ptr [rip + __rustc::__rust_alloc_zeroed@GOTPCREL]
 -      -     0.01    -      -     0.99    -      -     mov	rsi, r15
 -      -     0.99   0.01    -      -      -      -     mov	rcx, rax
 -      -      -     0.99    -     0.01    -      -     mov	rax, r14
 -      -     0.99   0.01    -      -      -      -     test	rcx, rcx
 -      -      -      -      -      -      -     1.00   pop	rbx
 -      -      -      -      -      -     1.00    -     pop	r14
 -      -      -      -      -      -      -     1.00   pop	r15
 -      -      -      -      -     1.00    -      -     je	.LBB5_5
 -      -      -      -     1.00    -     1.00    -     mov	qword ptr [rax], rsi
 -      -      -      -     1.00    -      -     1.00   mov	qword ptr [rax + 8], rcx
 -      -      -      -     1.00    -     1.00    -     mov	qword ptr [rax + 16], rsi
 -      -      -      -      -     1.00    -      -     ret
 -      -     0.01   0.99    -      -      -      -     movabs	rcx, -9223372036854775808
 -      -      -      -     1.00    -      -     1.00   mov	qword ptr [rax], rcx
 -      -      -      -      -     1.00    -      -     ret
 -      -     0.99   0.01    -      -      -      -     mov	ecx, 2
 -      -      -      -     1.00    -     1.00    -     mov	qword ptr [rax], rsi
 -      -      -      -     1.00    -      -     1.00   mov	qword ptr [rax + 8], rcx
 -      -      -      -     1.00    -     1.00    -     mov	qword ptr [rax + 16], rsi
 -      -      -      -      -     1.00    -      -     ret