MUL (R64) - Port Usage (IACA 2.3)
With blocking instructions for port '1':
Throughput Analysis Report
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Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port1
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| Cycles | 0.0 0.0 | 11.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 | 1.0 | 0.0 |
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| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
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| 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
| 2 | | 1.0 | | | | | 1.0 | | CP | mul r8
Total Num Of Uops: 12
⇨ One μop that can only use port '1'
With blocking instructions for ports {'0', '6'}:
Throughput Analysis Report
--------------------------
Block Throughput: 6.50 Cycles Throughput Bottleneck: Backend. Port0, Port6
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| Cycles | 6.5 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 | 6.5 | 0.0 |
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| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
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| 1 | 1.0 | | | | | | | | CP | sar r9w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r10w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r11w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r12w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar bx, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar cx, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r9w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r10w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r11w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar r12w, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar bx, 0x0
| 1 | 0.5 | | | | | | 0.5 | | CP | sar cx, 0x0
| 2 | | 1.0 | | | | | 1.0 | | CP | mul r8
Total Num Of Uops: 14
⇨ One μop that can only use ports {'0', '6'}