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iczelia/gist:8e6df523302d8d7df7a5994bf2c5133c Secret

Created December 31, 2025 16:45
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gistfile1.txt
Iterations: 100
Instructions: 4900
Total Cycles: 1511
Total uOps: 5600
Dispatch Width: 4
uOps Per Cycle: 3.71
IPC: 3.24
Block RThroughput: 14.0
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 mov rax, rdi
1 1 0.25 test rdx, rdx
1 1 0.50 sete cl
1 1 0.25 test al, 15
1 1 0.50 sete dil
1 1 0.25 or dil, cl
1 1 0.50 jne .LBB0_6
1 1 0.50 lea rdi, [rax + 1]
2 6 0.50 * cmp byte ptr [rax], sil
1 1 0.50 je .LBB0_16
1 1 0.50 lea rcx, [rdx - 1]
1 1 0.25 inc rax
1 1 0.25 cmp rdx, 1
1 1 0.50 je .LBB0_5
1 1 0.25 mov r8d, edi
1 1 0.25 and r8d, 15
1 1 0.25 inc rdi
1 1 0.25 mov rdx, rcx
1 1 0.25 test r8, r8
1 1 0.50 jne .LBB0_2
1 1 0.25 cmp rcx, 16
1 1 0.50 jae .LBB0_7
1 1 0.50 jmp .LBB0_10
1 1 0.25 mov rcx, rdx
1 1 0.25 cmp rcx, 16
1 1 0.50 jb .LBB0_10
1 1 1.00 vmovd xmm0, esi
1 3 1.00 vpbroadcastb xmm0, xmm0
2 6 0.50 * vpcmpeqb xmm1, xmm0, xmmword ptr [rax]
1 3 1.00 vpmovmskb edx, xmm1
1 1 0.25 test edx, edx
1 1 0.50 jne .LBB0_15
1 1 0.25 add rcx, -16
1 1 0.25 add rax, 16
1 1 0.25 cmp rcx, 15
1 1 0.50 ja .LBB0_8
1 1 0.25 test rcx, rcx
1 1 0.50 je .LBB0_14
2 6 0.50 * cmp byte ptr [rax], sil
1 1 0.50 je .LBB0_16
1 1 0.25 inc rax
1 1 0.25 dec rcx
1 1 0.50 jne .LBB0_11
1 0 0.25 xor eax, eax
3 7 1.00 U ret
1 0 0.25 xor ecx, ecx
1 3 1.00 tzcnt ecx, edx
1 1 0.25 add rax, rcx
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]
- - 12.02 11.98 2.50 2.50 - 12.00 13.00 -
Resource pressure by instruction:
[0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
- - - 0.02 - - - 0.97 0.01 - mov rax, rdi
- - 0.98 - - - - 0.01 0.01 - test rdx, rdx
- - 0.01 - - - - - 0.99 - sete cl
- - - 0.97 - - - 0.03 - - test al, 15
- - 0.01 - - - - - 0.99 - sete dil
- - 0.01 0.97 - - - 0.01 0.01 - or dil, cl
- - 1.00 - - - - - - - jne .LBB0_6
- - - 0.03 - - - 0.97 - - lea rdi, [rax + 1]
- - - 0.97 0.50 0.50 - 0.01 0.02 - cmp byte ptr [rax], sil
- - 0.99 - - - - - 0.01 - je .LBB0_16
- - - - - - - 1.00 - - lea rcx, [rdx - 1]
- - 0.01 0.01 - - - - 0.98 - inc rax
- - - 0.03 - - - 0.01 0.96 - cmp rdx, 1
- - 0.98 - - - - - 0.02 - je .LBB0_5
- - 0.01 - - - - 0.98 0.01 - mov r8d, edi
- - - 0.03 - - - 0.97 - - and r8d, 15
- - - 0.01 - - - 0.02 0.97 - inc rdi
- - - 0.02 - - - 0.97 0.01 - mov rdx, rcx
- - 0.02 0.97 - - - - 0.01 - test r8, r8
- - 0.02 - - - - - 0.98 - jne .LBB0_2
- - 0.01 - - - - 0.02 0.97 - cmp rcx, 16
- - 0.97 - - - - - 0.03 - jae .LBB0_7
- - 0.03 - - - - - 0.97 - jmp .LBB0_10
- - - 0.01 - - - 0.99 - - mov rcx, rdx
- - - 0.03 - - - 0.97 - - cmp rcx, 16
- - 0.98 - - - - - 0.02 - jb .LBB0_10
- - - - - - - 1.00 - - vmovd xmm0, esi
- - - - - - - 1.00 - - vpbroadcastb xmm0, xmm0
- - - 1.00 0.50 0.50 - - - - vpcmpeqb xmm1, xmm0, xmmword ptr [rax]
- - 1.00 - - - - - - - vpmovmskb edx, xmm1
- - - 0.97 - - - 0.03 - - test edx, edx
- - 0.99 - - - - - 0.01 - jne .LBB0_15
- - - 0.99 - - - - 0.01 - add rcx, -16
- - 0.02 0.01 - - - - 0.97 - add rax, 16
- - - 0.96 - - - 0.01 0.03 - cmp rcx, 15
- - 0.98 - - - - - 0.02 - ja .LBB0_8
- - 0.97 0.01 - - - 0.02 - - test rcx, rcx
- - 0.02 - - - - - 0.98 - je .LBB0_14
- - 0.01 0.02 0.50 0.50 - 0.01 0.96 - cmp byte ptr [rax], sil
- - 1.00 - - - - - - - je .LBB0_16
- - 0.02 0.01 - - - 0.96 0.01 - inc rax
- - - 0.96 - - - 0.03 0.01 - dec rcx
- - 0.98 - - - - - 0.02 - jne .LBB0_11
- - - - - - - - - - xor eax, eax
- - - 0.03 0.50 0.50 - 0.97 1.00 - ret
- - - - - - - - - - xor ecx, ecx
- - - 1.00 - - - - - - tzcnt ecx, edx
- - - 0.97 - - - 0.02 0.01 - add rax, rcx
- - - 0.98 0.50 0.50 - 0.02 1.00 - ret
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