SHL (R32, 1) - Latency

Experiment 1

• Instruction: SHL R8D, 1
• Code:

     0:	41 d1 e0             	shl    r8d,1
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 1.0
  • Reference cycles: 0.84
  • UOPS_RETIRED.ANY: 1.0

Experiment 2

• Instruction: SHL R8D, 1
• Chain instructions: MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 5
• Code:

     0:	41 d1 e0             	shl    r8d,1
     3:	4d 63 c0             	movsxd r8,r8d
     6:	4d 63 c0             	movsxd r8,r8d
     9:	4d 63 c0             	movsxd r8,r8d
     c:	4d 63 c0             	movsxd r8,r8d
     f:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 6.0
  • Core cycles: 6.0
  • Reference cycles: 5.52
  • UOPS_RETIRED.ANY: 6.0

Experiment 1

• Instruction: SHL R8D, 1
• Chain instructions: CMOVC R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 7
• Code:

     0:	41 d1 e0             	shl    r8d,1
     3:	45 0f 42 ff          	cmovb  r15d,r15d
     7:	4d 63 c7             	movsxd r8,r15d
     a:	4d 63 c0             	movsxd r8,r8d
     d:	4d 63 c0             	movsxd r8,r8d
    10:	4d 63 c0             	movsxd r8,r8d
    13:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 7.0
  • Core cycles: 8.0
  • Reference cycles: 7.4
  • UOPS_RETIRED.ANY: 8.0

Experiment 2

• Instruction: SHL R8D, 1
• Chain instructions: CMOVS R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 7
• Code:

     0:	41 d1 e0             	shl    r8d,1
     3:	45 0f 48 ff          	cmovs  r15d,r15d
     7:	4d 63 c7             	movsxd r8,r15d
     a:	4d 63 c0             	movsxd r8,r8d
     d:	4d 63 c0             	movsxd r8,r8d
    10:	4d 63 c0             	movsxd r8,r8d
    13:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 7.0
  • Core cycles: 8.0
  • Reference cycles: 7.4
  • UOPS_RETIRED.ANY: 8.0

Experiment 3

• Instruction: SHL R8D, 1
• Chain instructions: CMOVP R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 7
• Code:

     0:	41 d1 e0             	shl    r8d,1
     3:	45 0f 4a ff          	cmovp  r15d,r15d
     7:	4d 63 c7             	movsxd r8,r15d
     a:	4d 63 c0             	movsxd r8,r8d
     d:	4d 63 c0             	movsxd r8,r8d
    10:	4d 63 c0             	movsxd r8,r8d
    13:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 7.0
  • Core cycles: 8.0
  • Reference cycles: 7.32
  • UOPS_RETIRED.ANY: 8.0

Experiment 4

• Instruction: SHL R8D, 1
• Chain instructions: CMOVO R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 7
• Code:

     0:	41 d1 e0             	shl    r8d,1
     3:	45 0f 40 ff          	cmovo  r15d,r15d
     7:	4d 63 c7             	movsxd r8,r15d
     a:	4d 63 c0             	movsxd r8,r8d
     d:	4d 63 c0             	movsxd r8,r8d
    10:	4d 63 c0             	movsxd r8,r8d
    13:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 7.0
  • Core cycles: 8.0
  • Reference cycles: 7.32
  • UOPS_RETIRED.ANY: 8.0

Experiment 5

• Instruction: SHL R8D, 1
• Chain instructions: CMOVZ R15D, R15D;MOVSX R8, R15D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D;MOVSX R8, R8D
• Chain latency: 7
• Code:

     0:	41 d1 e0             	shl    r8d,1
     3:	45 0f 44 ff          	cmove  r15d,r15d
     7:	4d 63 c7             	movsxd r8,r15d
     a:	4d 63 c0             	movsxd r8,r8d
     d:	4d 63 c0             	movsxd r8,r8d
    10:	4d 63 c0             	movsxd r8,r8d
    13:	4d 63 c0             	movsxd r8,r8d
  

• Show nanoBench command
• Results:
  • Instructions retired: 7.0
  • Core cycles: 8.0
  • Reference cycles: 7.32
  • UOPS_RETIRED.ANY: 8.0