PCMPEQB (XMM, M128) - Throughput and Uops (IACA 2.2)
With a non-indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 0.5 | 0.5 0.5 | 0.5 0.5 | 0.0 | 0.5 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm0, xmmword ptr [r14]
Total Num Of Uops: 2
With 13 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 6.50 Cycles Throughput Bottleneck: Port1, PORT2_AGU, Port2_DATA, PORT3_AGU, Port3_DATA, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 6.5 | 6.5 6.5 | 6.5 6.5 | 0.0 | 6.5 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm0, xmmword ptr [r14]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm1, xmmword ptr [r14+0x10]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm2, xmmword ptr [r14+0x20]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm3, xmmword ptr [r14+0x30]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm4, xmmword ptr [r14+0x40]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm5, xmmword ptr [r14+0x50]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm6, xmmword ptr [r14+0x60]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm7, xmmword ptr [r14+0x70]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm8, xmmword ptr [r14+0x80]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm9, xmmword ptr [r14+0x90]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm10, xmmword ptr [r14+0xa0]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm11, xmmword ptr [r14+0xb0]
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm12, xmmword ptr [r14+0xc0]
Total Num Of Uops: 26
With an indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 0.5 | 0.5 0.5 | 0.5 0.5 | 0.0 | 0.5 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm0, xmmword ptr [r14+r13*1]
Total Num Of Uops: 2
With 13 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 6.50 Cycles Throughput Bottleneck: FrontEnd, Port1, PORT2_AGU, Port2_DATA, PORT3_AGU, Port3_DATA, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 6.5 | 6.5 6.5 | 6.5 6.5 | 0.0 | 6.5 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm0, xmmword ptr [r14+r13*1]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm1, xmmword ptr [r14+r13*1+0x10]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm2, xmmword ptr [r14+r13*1+0x20]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm3, xmmword ptr [r14+r13*1+0x30]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm4, xmmword ptr [r14+r13*1+0x40]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm5, xmmword ptr [r14+r13*1+0x50]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm6, xmmword ptr [r14+r13*1+0x60]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm7, xmmword ptr [r14+r13*1+0x70]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm8, xmmword ptr [r14+r13*1+0x80]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm9, xmmword ptr [r14+r13*1+0x90]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm10, xmmword ptr [r14+r13*1+0xa0]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm11, xmmword ptr [r14+r13*1+0xb0]
| 2 | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm12, xmmword ptr [r14+r13*1+0xc0]
Total Num Of Uops: 26
With the -no_interiteration flag
Throughput Analysis Report
--------------------------
Block Throughput: 0.50 Cycles Throughput Bottleneck: Port1, PORT2_AGU, Port2_DATA, PORT3_AGU, Port3_DATA, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 0.5 | 0.5 0.5 | 0.5 0.5 | 0.0 | 0.5 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2^ | | 0.5 | 0.5 0.5 | 0.5 0.5 | | 0.5 | | | CP | pcmpeqb xmm0, xmmword ptr [r14]
Total Num Of Uops: 2