CMPXCHG_LOCK (M64, R64) - Port Usage (IACA 2.1)
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 10.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 2.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | movmskpd r9d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r10d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r11d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r12d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd ebx, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd ecx, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd edx, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r9d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r10d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r11d, xmm0
| 4^ | | 1.0 | 1.0 1.0 | | | 2.0 | | lock cmpxchg qword ptr [r14], r8
Total Num Of Uops: 14
With blocking instructions for port '1':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port1
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.5 0.0 | 10.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 1.5 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | addpd xmm0, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm2, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm3, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm4, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm5, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm6, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm7, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm8, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm9, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm10, xmm1
| 4^ | 1.5 | | 1.0 1.0 | | | 1.5 | | lock cmpxchg qword ptr [r14], r8
Total Num Of Uops: 14
With blocking instructions for port '2':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: PORT2_AGU, Port2_DATA
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 11.0 11.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm0, dword ptr [r14+0x40]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm1, dword ptr [r14+0x44]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm2, dword ptr [r14+0x48]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm3, dword ptr [r14+0x4c]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm4, dword ptr [r14+0x50]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm5, dword ptr [r14+0x54]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm6, dword ptr [r14+0x58]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm7, dword ptr [r14+0x5c]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm8, dword ptr [r14+0x60]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm9, dword ptr [r14+0x64]
| 4^ | 1.0 | 1.0 | 1.0 1.0 | | | 1.0 | CP | lock cmpxchg qword ptr [r14], r8
Total Num Of Uops: 14
⇨ One μop that can only use port '2'
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 2.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 10.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | | | | | 1.0 | CP | andnpd xmm0, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm2, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm3, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm4, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm5, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm6, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm7, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm8, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm9, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm10, xmm1
| 4^ | 2.0 | 1.0 | 1.0 1.0 | | | | | lock cmpxchg qword ptr [r14], r8
Total Num Of Uops: 14
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles Throughput Bottleneck: Port0, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 7.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 7.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | pabsb mmx0, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx2, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx3, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx4, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx5, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx6, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx7, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx0, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx2, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx3, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx4, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx5, mmx1
| 4^ | 1.0 | 1.0 | 1.0 1.0 | | | 1.0 | CP | lock cmpxchg qword ptr [r14], r8
Total Num Of Uops: 16
⇨ 2 μops that can only use ports {'0', '5'}
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles Throughput Bottleneck: Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 7.0 0.0 | 7.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 7.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | movq xmm0, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm2, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm3, xmm1
| 1 | 0.9 | 0.1 | | | | | CP | movq xmm4, xmm1
| 1 | | 0.9 | | | | 0.1 | CP | movq xmm5, xmm1
| 1 | 0.1 | | | | | 0.9 | CP | movq xmm6, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm7, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm8, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm9, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm10, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm11, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm12, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm0, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm2, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm3, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm4, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm5, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm6, xmm1
| 4^ | 2.0 | | 1.0 1.0 | | | 1.0 | CP | lock cmpxchg qword ptr [r14], r8
Total Num Of Uops: 22
⇨ One μop that can only use ports {'0', '1', '5'}
With an indexed addressing mode
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 10.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 2.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | movmskpd r9d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r10d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r11d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r12d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd ebx, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd ecx, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd edx, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r9d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r10d, xmm0
| 1 | 1.0 | | | | | | CP | movmskpd r11d, xmm0
| 4 | | 1.0 | 1.0 1.0 | | | 2.0 | | lock cmpxchg qword ptr [r14+r13*1], r8
Total Num Of Uops: 14
With blocking instructions for port '1':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port1
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.5 0.0 | 10.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 1.5 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | addpd xmm0, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm2, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm3, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm4, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm5, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm6, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm7, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm8, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm9, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm10, xmm1
| 4 | 1.5 | | 1.0 1.0 | | | 1.5 | | lock cmpxchg qword ptr [r14+r13*1], r8
Total Num Of Uops: 14
With blocking instructions for port '2':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: PORT2_AGU, Port2_DATA
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 11.0 11.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm0, dword ptr [r14+0x40]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm1, dword ptr [r14+0x44]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm2, dword ptr [r14+0x48]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm3, dword ptr [r14+0x4c]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm4, dword ptr [r14+0x50]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm5, dword ptr [r14+0x54]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm6, dword ptr [r14+0x58]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm7, dword ptr [r14+0x5c]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm8, dword ptr [r14+0x60]
| 1*^ | | | 1.0 1.0 | | | | CP | cvtss2sd xmm9, dword ptr [r14+0x64]
| 4 | 1.0 | 1.0 | 1.0 1.0 | | | 1.0 | CP | lock cmpxchg qword ptr [r14+r13*1], r8
Total Num Of Uops: 14
⇨ One μop that can only use port '2'
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 2.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 10.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | | | | | 1.0 | CP | andnpd xmm0, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm2, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm3, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm4, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm5, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm6, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm7, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm8, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm9, xmm1
| 1 | | | | | | 1.0 | CP | andnpd xmm10, xmm1
| 4 | 2.0 | 1.0 | 1.0 1.0 | | | | | lock cmpxchg qword ptr [r14+r13*1], r8
Total Num Of Uops: 14
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles Throughput Bottleneck: Port0, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 7.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 7.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | pabsb mmx0, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx2, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx3, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx4, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx5, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx6, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx7, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx0, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx2, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx3, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx4, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx5, mmx1
| 4 | 1.0 | 1.0 | 1.0 1.0 | | | 1.0 | CP | lock cmpxchg qword ptr [r14+r13*1], r8
Total Num Of Uops: 16
⇨ 2 μops that can only use ports {'0', '5'}
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles Throughput Bottleneck: Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 7.0 0.0 | 7.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 7.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | movq xmm0, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm2, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm3, xmm1
| 1 | 0.9 | 0.1 | | | | | CP | movq xmm4, xmm1
| 1 | | 0.9 | | | | 0.1 | CP | movq xmm5, xmm1
| 1 | 0.1 | | | | | 0.9 | CP | movq xmm6, xmm1
| 1 | 0.9 | 0.1 | | | | | CP | movq xmm7, xmm1
| 1 | | 0.9 | | | | 0.1 | CP | movq xmm8, xmm1
| 1 | 0.1 | | | | | 0.9 | CP | movq xmm9, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm10, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm11, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm12, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm0, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm2, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm3, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm4, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm5, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm6, xmm1
| 4 | 2.0 | | 1.0 1.0 | | | 1.0 | CP | lock cmpxchg qword ptr [r14+r13*1], r8
Total Num Of Uops: 22
⇨ One μop that can only use ports {'0', '1', '5'}