Skip to content

Instantly share code, notes, and snippets.

@iczelia

iczelia/gist:3cce65034b918382b53624854215d23e Secret

Created December 31, 2025 16:46
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save iczelia/3cce65034b918382b53624854215d23e to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save iczelia/3cce65034b918382b53624854215d23e to your computer and use it in GitHub Desktop.
Download ZIP
Raw
gistfile1.txt
Iterations: 100
Instructions: 5000
Total Cycles: 3199
Total uOps: 6400
Dispatch Width: 4
uOps Per Cycle: 2.00
IPC: 1.56
Block RThroughput: 16.0
Instruction Info:
[1]: #uOps
[2]: Latency
[3]: RThroughput
[4]: MayLoad
[5]: MayStore
[6]: HasSideEffects (U)
[1] [2] [3] [4] [5] [6] Instructions:
1 1 0.25 test rdx, rdx
1 1 0.50 sete al
1 1 0.25 test dil, 15
1 1 0.50 sete cl
1 1 0.25 or cl, al
1 1 0.50 jne .LBB1_6
1 1 0.50 lea rax, [rdi + 1]
2 6 0.50 * cmp byte ptr [rdi], sil
1 1 0.50 je .LBB1_16
1 1 0.50 lea r8, [rdx - 1]
1 1 0.25 inc rdi
1 1 0.25 cmp rdx, 1
1 1 0.50 je .LBB1_5
1 1 0.25 mov ecx, eax
1 1 0.25 and ecx, 15
1 1 0.25 inc rax
1 1 0.25 mov rdx, r8
1 1 0.25 test rcx, rcx
1 1 0.50 jne .LBB1_2
1 1 0.25 cmp r8, 16
1 1 0.50 jae .LBB1_7
1 1 0.50 jmp .LBB1_10
1 1 0.25 mov r8, rdx
1 1 0.25 cmp r8, 16
1 1 0.50 jb .LBB1_10
1 1 0.25 movzx eax, sil
1 1 1.00 vmovd xmm0, eax
1 1 0.25 mov eax, 1
1 1 0.25 mov edx, 16
9 23 4.00 * vpcmpestri xmm0, xmmword ptr [rdi], 0
1 1 0.25 cmp ecx, 16
1 1 0.50 jne .LBB1_15
1 1 0.25 add r8, -16
1 1 0.25 add rdi, 16
1 1 0.25 cmp r8, 15
1 1 0.50 ja .LBB1_8
1 1 0.25 test r8, r8
1 1 0.50 je .LBB1_14
2 6 0.50 * cmp byte ptr [rdi], sil
1 1 0.50 je .LBB1_16
1 1 0.25 inc rdi
1 1 0.25 dec r8
1 1 0.50 jne .LBB1_11
1 0 0.25 xor edi, edi
1 1 0.25 mov rax, rdi
3 7 1.00 U ret
1 1 0.25 mov eax, ecx
1 1 0.25 add rdi, rax
1 1 0.25 mov rax, rdi
3 7 1.00 U ret
Resources:
[0] - BWDivider
[1] - BWFPDivider
[2] - BWPort0
[3] - BWPort1
[4] - BWPort2
[5] - BWPort3
[6] - BWPort4
[7] - BWPort5
[8] - BWPort6
[9] - BWPort7
Resource pressure per iteration:
[0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
- - 15.04 13.96 2.50 2.50 - 14.03 14.97 -
Resource pressure by instruction:
[0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
- - 0.97 - - - - - 0.03 - test rdx, rdx
- - 0.98 - - - - - 0.02 - sete al
- - - 0.96 - - - 0.04 - - test dil, 15
- - 0.98 - - - - - 0.02 - sete cl
- - - - - - - 0.99 0.01 - or cl, al
- - 0.99 - - - - - 0.01 - jne .LBB1_6
- - - 0.03 - - - 0.97 - - lea rax, [rdi + 1]
- - 0.98 0.01 0.50 0.50 - - 0.01 - cmp byte ptr [rdi], sil
- - 0.97 - - - - - 0.03 - je .LBB1_16
- - - 0.01 - - - 0.99 - - lea r8, [rdx - 1]
- - - - - - - 0.02 0.98 - inc rdi
- - 0.01 0.99 - - - - - - cmp rdx, 1
- - 0.02 - - - - - 0.98 - je .LBB1_5
- - - 0.99 - - - - 0.01 - mov ecx, eax
- - 0.01 0.01 - - - 0.98 - - and ecx, 15
- - 0.98 - - - - 0.01 0.01 - inc rax
- - - 0.03 - - - 0.02 0.95 - mov rdx, r8
- - - - - - - 0.99 0.01 - test rcx, rcx
- - 0.98 - - - - - 0.02 - jne .LBB1_2
- - - 0.03 - - - - 0.97 - cmp r8, 16
- - 0.99 - - - - - 0.01 - jae .LBB1_7
- - 0.01 - - - - - 0.99 - jmp .LBB1_10
- - - 0.96 - - - 0.04 - - mov r8, rdx
- - - 0.02 - - - 0.98 - - cmp r8, 16
- - 0.04 - - - - - 0.96 - jb .LBB1_10
- - 0.01 0.98 - - - - 0.01 - movzx eax, sil
- - - - - - - 1.00 - - vmovd xmm0, eax
- - - 0.02 - - - 0.01 0.97 - mov eax, 1
- - - 0.98 - - - - 0.02 - mov edx, 16
- - 4.00 0.99 0.51 0.49 - 3.00 0.01 - vpcmpestri xmm0, xmmword ptr [rdi], 0
- - 0.01 0.01 - - - 0.98 - - cmp ecx, 16
- - 0.98 - - - - - 0.02 - jne .LBB1_15
- - - 0.02 - - - - 0.98 - add r8, -16
- - 0.01 0.99 - - - - - - add rdi, 16
- - 0.03 0.96 - - - - 0.01 - cmp r8, 15
- - 0.02 - - - - - 0.98 - ja .LBB1_8
- - 0.01 0.95 - - - 0.01 0.03 - test r8, r8
- - 0.02 - - - - - 0.98 - je .LBB1_14
- - - 0.02 0.49 0.51 - 0.01 0.97 - cmp byte ptr [rdi], sil
- - 0.02 - - - - - 0.98 - je .LBB1_16
- - 0.01 0.98 - - - 0.01 - - inc rdi
- - - 0.01 - - - 0.98 0.01 - dec r8
- - 0.98 - - - - - 0.02 - jne .LBB1_11
- - - - - - - - - - xor edi, edi
- - 0.01 0.99 - - - - - - mov rax, rdi
- - 0.01 - 0.50 0.50 - 0.99 1.00 - ret
- - - 0.98 - - - 0.02 - - mov eax, ecx
- - - 0.02 - - - 0.03 0.95 - add rdi, rax
- - 0.01 0.02 - - - 0.96 0.01 - mov rax, rdi
- - - 1.00 0.50 0.50 - - 1.00 - ret
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment