MOVSQ - Throughput and Uops

With unroll_count=500 and no inner loop

• Code:

     0:	48 a5                	movs   QWORD PTR es:[rdi],QWORD PTR ds:[rsi]
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 4.0
  • Reference cycles: 4.0
  • RS_UOPS_DISPATCHED: 8.0
  • UOPS_PORT_0: 1.0
  • UOPS_PORT_1: 1.0
  • UOPS_PORT_2: 2.0
  • UOPS_PORT_3: 1.0
  • UOPS_PORT_4: 1.0
  • UOPS_PORT_5: 2.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	48 a5                	movs   QWORD PTR es:[rdi],QWORD PTR ds:[rsi]
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 4.1
  • Reference cycles: 4.1
  • RS_UOPS_DISPATCHED: 8.2
  • UOPS_PORT_0: 1.0
  • UOPS_PORT_1: 0.9
  • UOPS_PORT_2: 2.0
  • UOPS_PORT_3: 1.0
  • UOPS_PORT_4: 1.0
  • UOPS_PORT_5: 2.3

With loop_count=100 and unroll_count=100

• Code:

     0:	48 a5                	movs   QWORD PTR es:[rdi],QWORD PTR ds:[rsi]
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 4.01
  • Reference cycles: 4.01
  • RS_UOPS_DISPATCHED: 8.02
  • UOPS_PORT_0: 1.01
  • UOPS_PORT_1: 1.0
  • UOPS_PORT_2: 2.0
  • UOPS_PORT_3: 1.0
  • UOPS_PORT_4: 1.0
  • UOPS_PORT_5: 2.01