BTS (M64, 0) - Throughput and Uops

With unroll_count=500 and no inner loop

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 6.01
  • Reference cycles: 5.86
  • UOPS_EXECUTED.THREAD: 4.0
  • RETIRE_SLOTS: 3.0
  • UOPS_MITE: 3.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.39
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.94
  • UOPS_PORT_3: 1.06
  • UOPS_PORT_4: 1.64
  • UOPS_PORT_5: 4.0
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 1 NOP

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	90                   	nop
  

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 7.37
  • Reference cycles: 7.15
  • UOPS_EXECUTED.THREAD: 4.0
  • RETIRE_SLOTS: 4.0
  • UOPS_MITE: 4.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.51
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 1.0
  • UOPS_PORT_3: 1.0
  • UOPS_PORT_4: 1.53
  • UOPS_PORT_5: 4.39
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 6.09
  • Reference cycles: 5.91
  • UOPS_EXECUTED.THREAD: 4.1
  • RETIRE_SLOTS: 3.1
  • UOPS_MITE: 3.11
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.56
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.96
  • UOPS_PORT_3: 1.04
  • UOPS_PORT_4: 5.55
  • UOPS_PORT_5: 3.52
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.1

With loop_count=1000, unroll_count=10, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 6.14
  • Reference cycles: 5.95
  • UOPS_EXECUTED.THREAD: 4.1
  • RETIRE_SLOTS: 3.1
  • UOPS_MITE: 0.01
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.43
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.91
  • UOPS_PORT_3: 1.09
  • UOPS_PORT_4: 5.26
  • UOPS_PORT_5: 3.39
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 6.05
  • Reference cycles: 5.87
  • UOPS_EXECUTED.THREAD: 4.01
  • RETIRE_SLOTS: 3.01
  • UOPS_MITE: 3.02
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.39
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.97
  • UOPS_PORT_3: 1.03
  • UOPS_PORT_4: 5.47
  • UOPS_PORT_5: 3.38
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.01

With loop_count=100, unroll_count=100, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 6.38
  • Reference cycles: 6.18
  • UOPS_EXECUTED.THREAD: 4.01
  • RETIRE_SLOTS: 3.01
  • UOPS_MITE: 0.03
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.26
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.97
  • UOPS_PORT_3: 1.03
  • UOPS_PORT_4: 5.21
  • UOPS_PORT_5: 3.21
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With unroll_count=200 and no inner loop

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 4.0
  • Core cycles: 6.14
  • Reference cycles: 5.97
  • UOPS_EXECUTED.THREAD: 16.0
  • RETIRE_SLOTS: 12.0
  • UOPS_MITE: 12.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.55
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.84
  • UOPS_PORT_3: 4.15
  • UOPS_PORT_4: 5.3
  • UOPS_PORT_5: 4.36
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 4.0

With loop_count=1000 and unroll_count=2

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 5.0
  • Core cycles: 6.07
  • Reference cycles: 5.89
  • UOPS_EXECUTED.THREAD: 16.51
  • RETIRE_SLOTS: 12.5
  • UOPS_MITE: 0.04
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.39
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.9
  • UOPS_PORT_3: 4.11
  • UOPS_PORT_4: 5.43
  • UOPS_PORT_5: 4.62
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With loop_count=1000, unroll_count=2, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     8:	40                   	rex
     9:	40                   	rex
     a:	40                   	rex
     b:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
    11:	40                   	rex
    12:	40                   	rex
    13:	40                   	rex
    14:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    1a:	40                   	rex
    1b:	40                   	rex
    1c:	40                   	rex
    1d:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 5.0
  • Core cycles: 6.02
  • Reference cycles: 5.84
  • UOPS_EXECUTED.THREAD: 16.5
  • RETIRE_SLOTS: 12.5
  • UOPS_MITE: 0.01
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.82
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.85
  • UOPS_PORT_3: 4.15
  • UOPS_PORT_4: 5.07
  • UOPS_PORT_5: 5.01
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=20

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 4.1
  • Core cycles: 6.85
  • Reference cycles: 6.65
  • UOPS_EXECUTED.THREAD: 16.05
  • RETIRE_SLOTS: 12.05
  • UOPS_MITE: 0.12
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.85
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.87
  • UOPS_PORT_3: 4.14
  • UOPS_PORT_4: 5.29
  • UOPS_PORT_5: 4.69
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.04

With loop_count=100, unroll_count=20, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     8:	40                   	rex
     9:	40                   	rex
     a:	40                   	rex
     b:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
    11:	40                   	rex
    12:	40                   	rex
    13:	40                   	rex
    14:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    1a:	40                   	rex
    1b:	40                   	rex
    1c:	40                   	rex
    1d:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 4.1
  • Core cycles: 6.85
  • Reference cycles: 6.65
  • UOPS_EXECUTED.THREAD: 16.05
  • RETIRE_SLOTS: 12.05
  • UOPS_MITE: 0.12
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.79
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.88
  • UOPS_PORT_3: 4.13
  • UOPS_PORT_4: 5.11
  • UOPS_PORT_5: 4.75
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.04

With unroll_count=100 and no inner loop

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    17:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    1d:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    23:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    29:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 8.0
  • Core cycles: 8.01
  • Reference cycles: 7.79
  • UOPS_EXECUTED.THREAD: 32.0
  • RETIRE_SLOTS: 24.0
  • UOPS_MITE: 24.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.16
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 8.0
  • UOPS_PORT_3: 8.0
  • UOPS_PORT_4: 8.0
  • UOPS_PORT_5: 4.92
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 8.0

With loop_count=1000 and unroll_count=1

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    17:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    1d:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    23:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    29:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 10.0
  • Core cycles: 8.05
  • Reference cycles: 7.82
  • UOPS_EXECUTED.THREAD: 33.01
  • RETIRE_SLOTS: 25.0
  • UOPS_MITE: 0.07
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.39
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 7.98
  • UOPS_PORT_3: 8.03
  • UOPS_PORT_4: 8.0
  • UOPS_PORT_5: 5.74
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.03

With loop_count=1000, unroll_count=1, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     8:	40                   	rex
     9:	40                   	rex
     a:	40                   	rex
     b:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
    11:	40                   	rex
    12:	40                   	rex
    13:	40                   	rex
    14:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    1a:	40                   	rex
    1b:	40                   	rex
    1c:	40                   	rex
    1d:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    23:	40                   	rex
    24:	40                   	rex
    25:	40                   	rex
    26:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    2c:	40                   	rex
    2d:	40                   	rex
    2e:	40                   	rex
    2f:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    35:	40                   	rex
    36:	40                   	rex
    37:	40                   	rex
    38:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    3e:	40                   	rex
    3f:	40                   	rex
    40:	40                   	rex
    41:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 10.0
  • Core cycles: 8.04
  • Reference cycles: 7.8
  • UOPS_EXECUTED.THREAD: 33.01
  • RETIRE_SLOTS: 25.0
  • UOPS_MITE: 0.02
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.26
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 8.0
  • UOPS_PORT_3: 8.01
  • UOPS_PORT_4: 8.0
  • UOPS_PORT_5: 5.58
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With loop_count=100 and unroll_count=10

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    17:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    1d:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    23:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    29:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 8.2
  • Core cycles: 8.05
  • Reference cycles: 7.8
  • UOPS_EXECUTED.THREAD: 32.13
  • RETIRE_SLOTS: 24.1
  • UOPS_MITE: 0.24
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.08
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 8.01
  • UOPS_PORT_3: 8.02
  • UOPS_PORT_4: 8.0
  • UOPS_PORT_5: 4.99
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.08

With loop_count=100, unroll_count=10, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     8:	40                   	rex
     9:	40                   	rex
     a:	40                   	rex
     b:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
    11:	40                   	rex
    12:	40                   	rex
    13:	40                   	rex
    14:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    1a:	40                   	rex
    1b:	40                   	rex
    1c:	40                   	rex
    1d:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    23:	40                   	rex
    24:	40                   	rex
    25:	40                   	rex
    26:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    2c:	40                   	rex
    2d:	40                   	rex
    2e:	40                   	rex
    2f:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    35:	40                   	rex
    36:	40                   	rex
    37:	40                   	rex
    38:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    3e:	40                   	rex
    3f:	40                   	rex
    40:	40                   	rex
    41:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 8.2
  • Core cycles: 8.04
  • Reference cycles: 7.8
  • UOPS_EXECUTED.THREAD: 32.13
  • RETIRE_SLOTS: 24.1
  • UOPS_MITE: 0.24
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.06
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 8.0
  • UOPS_PORT_3: 8.01
  • UOPS_PORT_4: 8.0
  • UOPS_PORT_5: 4.9
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.08

With unroll_count=100 and no inner loop

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    17:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    1d:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    23:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    29:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
    2f:	49 0f ba 6e 40 00    	bts    QWORD PTR [r14+0x40],0x0
    35:	49 0f ba 6e 48 00    	bts    QWORD PTR [r14+0x48],0x0
    3b:	49 0f ba 6e 50 00    	bts    QWORD PTR [r14+0x50],0x0
    41:	49 0f ba 6e 58 00    	bts    QWORD PTR [r14+0x58],0x0
    47:	49 0f ba 6e 60 00    	bts    QWORD PTR [r14+0x60],0x0
    4d:	49 0f ba 6e 68 00    	bts    QWORD PTR [r14+0x68],0x0
    53:	49 0f ba 6e 70 00    	bts    QWORD PTR [r14+0x70],0x0
    59:	49 0f ba 6e 78 00    	bts    QWORD PTR [r14+0x78],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 16.0
  • Core cycles: 16.09
  • Reference cycles: 15.57
  • UOPS_EXECUTED.THREAD: 64.0
  • RETIRE_SLOTS: 48.0
  • UOPS_MITE: 48.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 9.85
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 15.99
  • UOPS_PORT_3: 16.01
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 9.27
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 16.02

With loop_count=1000 and unroll_count=1

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    17:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    1d:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    23:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    29:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
    2f:	49 0f ba 6e 40 00    	bts    QWORD PTR [r14+0x40],0x0
    35:	49 0f ba 6e 48 00    	bts    QWORD PTR [r14+0x48],0x0
    3b:	49 0f ba 6e 50 00    	bts    QWORD PTR [r14+0x50],0x0
    41:	49 0f ba 6e 58 00    	bts    QWORD PTR [r14+0x58],0x0
    47:	49 0f ba 6e 60 00    	bts    QWORD PTR [r14+0x60],0x0
    4d:	49 0f ba 6e 68 00    	bts    QWORD PTR [r14+0x68],0x0
    53:	49 0f ba 6e 70 00    	bts    QWORD PTR [r14+0x70],0x0
    59:	49 0f ba 6e 78 00    	bts    QWORD PTR [r14+0x78],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 18.0
  • Core cycles: 16.05
  • Reference cycles: 15.58
  • UOPS_EXECUTED.THREAD: 65.01
  • RETIRE_SLOTS: 49.0
  • UOPS_MITE: 0.05
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 9.92
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 15.99
  • UOPS_PORT_3: 16.02
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 9.87
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.02

With loop_count=1000, unroll_count=1, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     8:	40                   	rex
     9:	40                   	rex
     a:	40                   	rex
     b:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
    11:	40                   	rex
    12:	40                   	rex
    13:	40                   	rex
    14:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    1a:	40                   	rex
    1b:	40                   	rex
    1c:	40                   	rex
    1d:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    23:	40                   	rex
    24:	40                   	rex
    25:	40                   	rex
    26:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    2c:	40                   	rex
    2d:	40                   	rex
    2e:	40                   	rex
    2f:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    35:	40                   	rex
    36:	40                   	rex
    37:	40                   	rex
    38:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    3e:	40                   	rex
    3f:	40                   	rex
    40:	40                   	rex
    41:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
    47:	40                   	rex
    48:	40                   	rex
    49:	40                   	rex
    4a:	49 0f ba 6e 40 00    	bts    QWORD PTR [r14+0x40],0x0
    50:	40                   	rex
    51:	40                   	rex
    52:	40                   	rex
    53:	49 0f ba 6e 48 00    	bts    QWORD PTR [r14+0x48],0x0
    59:	40                   	rex
    5a:	40                   	rex
    5b:	40                   	rex
    5c:	49 0f ba 6e 50 00    	bts    QWORD PTR [r14+0x50],0x0
    62:	40                   	rex
    63:	40                   	rex
    64:	40                   	rex
    65:	49 0f ba 6e 58 00    	bts    QWORD PTR [r14+0x58],0x0
    6b:	40                   	rex
    6c:	40                   	rex
    6d:	40                   	rex
    6e:	49 0f ba 6e 60 00    	bts    QWORD PTR [r14+0x60],0x0
    74:	40                   	rex
    75:	40                   	rex
    76:	40                   	rex
    77:	49 0f ba 6e 68 00    	bts    QWORD PTR [r14+0x68],0x0
    7d:	40                   	rex
    7e:	40                   	rex
    7f:	40                   	rex
    80:	49 0f ba 6e 70 00    	bts    QWORD PTR [r14+0x70],0x0
    86:	40                   	rex
    87:	40                   	rex
    88:	40                   	rex
    89:	49 0f ba 6e 78 00    	bts    QWORD PTR [r14+0x78],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 18.0
  • Core cycles: 16.12
  • Reference cycles: 15.64
  • UOPS_EXECUTED.THREAD: 65.01
  • RETIRE_SLOTS: 49.0
  • UOPS_MITE: 0.05
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 8.99
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 16.01
  • UOPS_PORT_3: 16.01
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 9.02
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.02

With loop_count=100 and unroll_count=10

• Code:

     0:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     5:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
     b:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    11:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    17:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    1d:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    23:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    29:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
    2f:	49 0f ba 6e 40 00    	bts    QWORD PTR [r14+0x40],0x0
    35:	49 0f ba 6e 48 00    	bts    QWORD PTR [r14+0x48],0x0
    3b:	49 0f ba 6e 50 00    	bts    QWORD PTR [r14+0x50],0x0
    41:	49 0f ba 6e 58 00    	bts    QWORD PTR [r14+0x58],0x0
    47:	49 0f ba 6e 60 00    	bts    QWORD PTR [r14+0x60],0x0
    4d:	49 0f ba 6e 68 00    	bts    QWORD PTR [r14+0x68],0x0
    53:	49 0f ba 6e 70 00    	bts    QWORD PTR [r14+0x70],0x0
    59:	49 0f ba 6e 78 00    	bts    QWORD PTR [r14+0x78],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 16.2
  • Core cycles: 16.03
  • Reference cycles: 15.55
  • UOPS_EXECUTED.THREAD: 64.11
  • RETIRE_SLOTS: 48.1
  • UOPS_MITE: 0.48
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 9.4
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 16.0
  • UOPS_PORT_3: 16.01
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 8.93
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.16

With loop_count=100, unroll_count=10, and padding (redundant prefixes)

• Code:

     0:	40                   	rex
     1:	40                   	rex
     2:	40                   	rex
     3:	49 0f ba 2e 00       	bts    QWORD PTR [r14],0x0
     8:	40                   	rex
     9:	40                   	rex
     a:	40                   	rex
     b:	49 0f ba 6e 08 00    	bts    QWORD PTR [r14+0x8],0x0
    11:	40                   	rex
    12:	40                   	rex
    13:	40                   	rex
    14:	49 0f ba 6e 10 00    	bts    QWORD PTR [r14+0x10],0x0
    1a:	40                   	rex
    1b:	40                   	rex
    1c:	40                   	rex
    1d:	49 0f ba 6e 18 00    	bts    QWORD PTR [r14+0x18],0x0
    23:	40                   	rex
    24:	40                   	rex
    25:	40                   	rex
    26:	49 0f ba 6e 20 00    	bts    QWORD PTR [r14+0x20],0x0
    2c:	40                   	rex
    2d:	40                   	rex
    2e:	40                   	rex
    2f:	49 0f ba 6e 28 00    	bts    QWORD PTR [r14+0x28],0x0
    35:	40                   	rex
    36:	40                   	rex
    37:	40                   	rex
    38:	49 0f ba 6e 30 00    	bts    QWORD PTR [r14+0x30],0x0
    3e:	40                   	rex
    3f:	40                   	rex
    40:	40                   	rex
    41:	49 0f ba 6e 38 00    	bts    QWORD PTR [r14+0x38],0x0
    47:	40                   	rex
    48:	40                   	rex
    49:	40                   	rex
    4a:	49 0f ba 6e 40 00    	bts    QWORD PTR [r14+0x40],0x0
    50:	40                   	rex
    51:	40                   	rex
    52:	40                   	rex
    53:	49 0f ba 6e 48 00    	bts    QWORD PTR [r14+0x48],0x0
    59:	40                   	rex
    5a:	40                   	rex
    5b:	40                   	rex
    5c:	49 0f ba 6e 50 00    	bts    QWORD PTR [r14+0x50],0x0
    62:	40                   	rex
    63:	40                   	rex
    64:	40                   	rex
    65:	49 0f ba 6e 58 00    	bts    QWORD PTR [r14+0x58],0x0
    6b:	40                   	rex
    6c:	40                   	rex
    6d:	40                   	rex
    6e:	49 0f ba 6e 60 00    	bts    QWORD PTR [r14+0x60],0x0
    74:	40                   	rex
    75:	40                   	rex
    76:	40                   	rex
    77:	49 0f ba 6e 68 00    	bts    QWORD PTR [r14+0x68],0x0
    7d:	40                   	rex
    7e:	40                   	rex
    7f:	40                   	rex
    80:	49 0f ba 6e 70 00    	bts    QWORD PTR [r14+0x70],0x0
    86:	40                   	rex
    87:	40                   	rex
    88:	40                   	rex
    89:	49 0f ba 6e 78 00    	bts    QWORD PTR [r14+0x78],0x0
  

• Show nanoBench command
• Results:
  • Instructions retired: 16.2
  • Core cycles: 16.03
  • Reference cycles: 15.54
  • UOPS_EXECUTED.THREAD: 64.11
  • RETIRE_SLOTS: 48.1
  • UOPS_MITE: 0.48
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 9.43
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 16.0
  • UOPS_PORT_3: 16.01
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 8.89
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.16

With unroll_count=500 and no inner loop

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 1.0
  • Core cycles: 7.36
  • Reference cycles: 7.15
  • UOPS_EXECUTED.THREAD: 4.0
  • RETIRE_SLOTS: 4.0
  • UOPS_MITE: 3.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.27
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.93
  • UOPS_PORT_3: 1.07
  • UOPS_PORT_4: 1.63
  • UOPS_PORT_5: 4.16
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 1.0

With unroll_count=500, no inner loop, and 1 NOP

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	90                   	nop
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 2.0
  • Core cycles: 7.37
  • Reference cycles: 7.17
  • UOPS_EXECUTED.THREAD: 4.0
  • RETIRE_SLOTS: 5.0
  • UOPS_MITE: 4.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 3.97
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.94
  • UOPS_PORT_3: 1.06
  • UOPS_PORT_4: 1.63
  • UOPS_PORT_5: 3.84
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 1.2
  • Core cycles: 7.49
  • Reference cycles: 7.27
  • UOPS_EXECUTED.THREAD: 4.1
  • RETIRE_SLOTS: 4.1
  • UOPS_MITE: 0.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.17
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 1.0
  • UOPS_PORT_3: 1.0
  • UOPS_PORT_4: 1.86
  • UOPS_PORT_5: 3.92
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 1.02
  • Core cycles: 7.49
  • Reference cycles: 7.27
  • UOPS_EXECUTED.THREAD: 4.01
  • RETIRE_SLOTS: 4.01
  • UOPS_MITE: 0.03
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.18
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 0.96
  • UOPS_PORT_3: 1.04
  • UOPS_PORT_4: 1.6
  • UOPS_PORT_5: 3.95
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With unroll_count=200 and no inner loop

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 4.0
  • Core cycles: 4.0
  • Reference cycles: 3.89
  • UOPS_EXECUTED.THREAD: 16.0
  • RETIRE_SLOTS: 16.0
  • UOPS_MITE: 12.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 2.15
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 4.0
  • UOPS_PORT_3: 4.0
  • UOPS_PORT_4: 4.0
  • UOPS_PORT_5: 1.85
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 4.0

With loop_count=1000 and unroll_count=2

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 5.0
  • Core cycles: 8.0
  • Reference cycles: 7.76
  • UOPS_EXECUTED.THREAD: 16.5
  • RETIRE_SLOTS: 16.5
  • UOPS_MITE: 0.01
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.59
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.74
  • UOPS_PORT_3: 4.26
  • UOPS_PORT_4: 4.02
  • UOPS_PORT_5: 5.54
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=20

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 4.1
  • Core cycles: 7.93
  • Reference cycles: 7.69
  • UOPS_EXECUTED.THREAD: 16.05
  • RETIRE_SLOTS: 16.05
  • UOPS_MITE: 0.12
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 5.67
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 3.73
  • UOPS_PORT_3: 4.28
  • UOPS_PORT_4: 4.05
  • UOPS_PORT_5: 5.66
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.04

With unroll_count=100 and no inner loop

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
    1b:	4b 0f ba 6c 2e 20 00 	bts    QWORD PTR [r14+r13*1+0x20],0x0
    22:	4b 0f ba 6c 2e 28 00 	bts    QWORD PTR [r14+r13*1+0x28],0x0
    29:	4b 0f ba 6c 2e 30 00 	bts    QWORD PTR [r14+r13*1+0x30],0x0
    30:	4b 0f ba 6c 2e 38 00 	bts    QWORD PTR [r14+r13*1+0x38],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 8.0
  • Core cycles: 8.0
  • Reference cycles: 7.68
  • UOPS_EXECUTED.THREAD: 32.0
  • RETIRE_SLOTS: 32.0
  • UOPS_MITE: 24.0
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.3
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 8.0
  • UOPS_PORT_3: 8.0
  • UOPS_PORT_4: 8.0
  • UOPS_PORT_5: 3.7
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 8.0

With loop_count=1000 and unroll_count=1

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
    1b:	4b 0f ba 6c 2e 20 00 	bts    QWORD PTR [r14+r13*1+0x20],0x0
    22:	4b 0f ba 6c 2e 28 00 	bts    QWORD PTR [r14+r13*1+0x28],0x0
    29:	4b 0f ba 6c 2e 30 00 	bts    QWORD PTR [r14+r13*1+0x30],0x0
    30:	4b 0f ba 6c 2e 38 00 	bts    QWORD PTR [r14+r13*1+0x38],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 10.0
  • Core cycles: 9.01
  • Reference cycles: 8.73
  • UOPS_EXECUTED.THREAD: 33.01
  • RETIRE_SLOTS: 33.0
  • UOPS_MITE: 0.03
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.55
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 8.0
  • UOPS_PORT_3: 8.02
  • UOPS_PORT_4: 8.01
  • UOPS_PORT_5: 4.56
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.01

With loop_count=100 and unroll_count=10

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
    1b:	4b 0f ba 6c 2e 20 00 	bts    QWORD PTR [r14+r13*1+0x20],0x0
    22:	4b 0f ba 6c 2e 28 00 	bts    QWORD PTR [r14+r13*1+0x28],0x0
    29:	4b 0f ba 6c 2e 30 00 	bts    QWORD PTR [r14+r13*1+0x30],0x0
    30:	4b 0f ba 6c 2e 38 00 	bts    QWORD PTR [r14+r13*1+0x38],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 8.2
  • Core cycles: 8.06
  • Reference cycles: 7.83
  • UOPS_EXECUTED.THREAD: 32.11
  • RETIRE_SLOTS: 32.1
  • UOPS_MITE: 0.24
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 4.89
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 7.97
  • UOPS_PORT_3: 8.04
  • UOPS_PORT_4: 8.01
  • UOPS_PORT_5: 4.74
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.08

With unroll_count=100 and no inner loop

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
    1b:	4b 0f ba 6c 2e 20 00 	bts    QWORD PTR [r14+r13*1+0x20],0x0
    22:	4b 0f ba 6c 2e 28 00 	bts    QWORD PTR [r14+r13*1+0x28],0x0
    29:	4b 0f ba 6c 2e 30 00 	bts    QWORD PTR [r14+r13*1+0x30],0x0
    30:	4b 0f ba 6c 2e 38 00 	bts    QWORD PTR [r14+r13*1+0x38],0x0
    37:	4b 0f ba 6c 2e 40 00 	bts    QWORD PTR [r14+r13*1+0x40],0x0
    3e:	4b 0f ba 6c 2e 48 00 	bts    QWORD PTR [r14+r13*1+0x48],0x0
    45:	4b 0f ba 6c 2e 50 00 	bts    QWORD PTR [r14+r13*1+0x50],0x0
    4c:	4b 0f ba 6c 2e 58 00 	bts    QWORD PTR [r14+r13*1+0x58],0x0
    53:	4b 0f ba 6c 2e 60 00 	bts    QWORD PTR [r14+r13*1+0x60],0x0
    5a:	4b 0f ba 6c 2e 68 00 	bts    QWORD PTR [r14+r13*1+0x68],0x0
    61:	4b 0f ba 6c 2e 70 00 	bts    QWORD PTR [r14+r13*1+0x70],0x0
    68:	4b 0f ba 6c 2e 78 00 	bts    QWORD PTR [r14+r13*1+0x78],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 16.0
  • Core cycles: 16.03
  • Reference cycles: 15.63
  • UOPS_EXECUTED.THREAD: 64.0
  • RETIRE_SLOTS: 64.0
  • UOPS_MITE: 48.02
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 8.05
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 15.99
  • UOPS_PORT_3: 16.01
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 7.95
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 16.03

With loop_count=1000 and unroll_count=1

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
    1b:	4b 0f ba 6c 2e 20 00 	bts    QWORD PTR [r14+r13*1+0x20],0x0
    22:	4b 0f ba 6c 2e 28 00 	bts    QWORD PTR [r14+r13*1+0x28],0x0
    29:	4b 0f ba 6c 2e 30 00 	bts    QWORD PTR [r14+r13*1+0x30],0x0
    30:	4b 0f ba 6c 2e 38 00 	bts    QWORD PTR [r14+r13*1+0x38],0x0
    37:	4b 0f ba 6c 2e 40 00 	bts    QWORD PTR [r14+r13*1+0x40],0x0
    3e:	4b 0f ba 6c 2e 48 00 	bts    QWORD PTR [r14+r13*1+0x48],0x0
    45:	4b 0f ba 6c 2e 50 00 	bts    QWORD PTR [r14+r13*1+0x50],0x0
    4c:	4b 0f ba 6c 2e 58 00 	bts    QWORD PTR [r14+r13*1+0x58],0x0
    53:	4b 0f ba 6c 2e 60 00 	bts    QWORD PTR [r14+r13*1+0x60],0x0
    5a:	4b 0f ba 6c 2e 68 00 	bts    QWORD PTR [r14+r13*1+0x68],0x0
    61:	4b 0f ba 6c 2e 70 00 	bts    QWORD PTR [r14+r13*1+0x70],0x0
    68:	4b 0f ba 6c 2e 78 00 	bts    QWORD PTR [r14+r13*1+0x78],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 18.0
  • Core cycles: 17.01
  • Reference cycles: 16.51
  • UOPS_EXECUTED.THREAD: 65.04
  • RETIRE_SLOTS: 65.0
  • UOPS_MITE: 0.07
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 12.47
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 16.0
  • UOPS_PORT_3: 16.02
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 12.36
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.02

With loop_count=100 and unroll_count=10

• Code:

     0:	4b 0f ba 2c 2e 00    	bts    QWORD PTR [r14+r13*1],0x0
     6:	4b 0f ba 6c 2e 08 00 	bts    QWORD PTR [r14+r13*1+0x8],0x0
     d:	4b 0f ba 6c 2e 10 00 	bts    QWORD PTR [r14+r13*1+0x10],0x0
    14:	4b 0f ba 6c 2e 18 00 	bts    QWORD PTR [r14+r13*1+0x18],0x0
    1b:	4b 0f ba 6c 2e 20 00 	bts    QWORD PTR [r14+r13*1+0x20],0x0
    22:	4b 0f ba 6c 2e 28 00 	bts    QWORD PTR [r14+r13*1+0x28],0x0
    29:	4b 0f ba 6c 2e 30 00 	bts    QWORD PTR [r14+r13*1+0x30],0x0
    30:	4b 0f ba 6c 2e 38 00 	bts    QWORD PTR [r14+r13*1+0x38],0x0
    37:	4b 0f ba 6c 2e 40 00 	bts    QWORD PTR [r14+r13*1+0x40],0x0
    3e:	4b 0f ba 6c 2e 48 00 	bts    QWORD PTR [r14+r13*1+0x48],0x0
    45:	4b 0f ba 6c 2e 50 00 	bts    QWORD PTR [r14+r13*1+0x50],0x0
    4c:	4b 0f ba 6c 2e 58 00 	bts    QWORD PTR [r14+r13*1+0x58],0x0
    53:	4b 0f ba 6c 2e 60 00 	bts    QWORD PTR [r14+r13*1+0x60],0x0
    5a:	4b 0f ba 6c 2e 68 00 	bts    QWORD PTR [r14+r13*1+0x68],0x0
    61:	4b 0f ba 6c 2e 70 00 	bts    QWORD PTR [r14+r13*1+0x70],0x0
    68:	4b 0f ba 6c 2e 78 00 	bts    QWORD PTR [r14+r13*1+0x78],0x0
  

• Init:

  XOR R13, R13

• Show nanoBench command
• Results:
  • Instructions retired: 16.2
  • Core cycles: 16.06
  • Reference cycles: 15.58
  • UOPS_EXECUTED.THREAD: 64.11
  • RETIRE_SLOTS: 64.1
  • UOPS_MITE: 0.48
  • UOPS_MS: 0.0
  • UOPS_PORT_0: 9.42
  • UOPS_PORT_1: 0.0
  • UOPS_PORT_2: 15.97
  • UOPS_PORT_3: 16.04
  • UOPS_PORT_4: 16.0
  • UOPS_PORT_5: 9.4
  • DIV_CYCLES: 0.0
  • ILD_STALL.LCP: 0.0
  • UOPS_MITE>=1: 0.16