XLAT

With unroll_count=500 and no inner loop

Code:

   0:	d7                   	xlat   BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 7.0
- Reference cycles: 6.97
- UOPS_RETIRED.ALL: 3.0
- RETIRE_SLOTS: 3.0
- UOPS_MITE: 3.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.67
- UOPS_PORT_1: 0.64
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.69
- 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:	d7                   	xlat   BYTE PTR ds:[rbx]
   1:	90                   	nop

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 7.0
- Reference cycles: 6.99
- UOPS_RETIRED.ALL: 4.0
- RETIRE_SLOTS: 4.0
- UOPS_MITE: 4.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.63
- UOPS_PORT_1: 0.63
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.74
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

Code:

   0:	d7                   	xlat   BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 7.0
- Reference cycles: 7.0
- UOPS_RETIRED.ALL: 3.1
- RETIRE_SLOTS: 3.1
- UOPS_MITE: 3.1
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.66
- UOPS_PORT_1: 0.64
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.79
- 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:	40                   	rex
   4:	40                   	rex
   5:	40                   	rex
   6:	40 d7                	rex xlat BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 7.0
- Reference cycles: 7.0
- UOPS_RETIRED.ALL: 3.1
- RETIRE_SLOTS: 3.1
- UOPS_MITE: 0.01
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.66
- UOPS_PORT_1: 0.64
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.8
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	d7                   	xlat   BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 7.0
- Reference cycles: 7.0
- UOPS_RETIRED.ALL: 3.01
- RETIRE_SLOTS: 3.01
- UOPS_MITE: 3.01
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.66
- UOPS_PORT_1: 0.64
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.7
- 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:	40                   	rex
   4:	40                   	rex
   5:	40                   	rex
   6:	40 d7                	rex xlat BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 7.0
- Reference cycles: 7.0
- UOPS_RETIRED.ALL: 3.01
- RETIRE_SLOTS: 3.01
- UOPS_MITE: 0.03
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.66
- UOPS_PORT_1: 0.64
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.7
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.01

With additional dependency-breaking instructions

With unroll_count=500 and no inner loop

Code:

   0:	48 31 c0             	xor    rax,rax
   3:	d7                   	xlat   BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 2.0
- Reference cycles: 1.97
- UOPS_RETIRED.ALL: 4.0
- RETIRE_SLOTS: 4.0
- UOPS_MITE: 4.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.65
- UOPS_PORT_1: 0.59
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.76
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.0

With loop_count=1000 and unroll_count=10

Code:

   0:	48 31 c0             	xor    rax,rax
   3:	d7                   	xlat   BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 2.2
- Core cycles: 2.1
- Reference cycles: 2.1
- UOPS_RETIRED.ALL: 4.1
- RETIRE_SLOTS: 4.1
- UOPS_MITE: 4.1
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.63
- UOPS_PORT_1: 0.62
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.85
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.1

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

Code:

   0:	48 31 c0             	xor    rax,rax
   3:	40                   	rex
   4:	40                   	rex
   5:	40                   	rex
   6:	40                   	rex
   7:	40                   	rex
   8:	40                   	rex
   9:	40                   	rex
   a:	40                   	rex
   b:	40                   	rex
   c:	40                   	rex
   d:	40                   	rex
   e:	40                   	rex
   f:	40 d7                	rex xlat BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 2.2
- Core cycles: 1.1
- Reference cycles: 1.1
- UOPS_RETIRED.ALL: 4.1
- RETIRE_SLOTS: 4.1
- UOPS_MITE: 0.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.62
- UOPS_PORT_1: 0.64
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.84
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	48 31 c0             	xor    rax,rax
   3:	d7                   	xlat   BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 2.02
- Core cycles: 2.01
- Reference cycles: 2.01
- UOPS_RETIRED.ALL: 4.01
- RETIRE_SLOTS: 4.01
- UOPS_MITE: 4.01
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.65
- UOPS_PORT_1: 0.6
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.76
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.01

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

Code:

   0:	48 31 c0             	xor    rax,rax
   3:	40                   	rex
   4:	40                   	rex
   5:	40                   	rex
   6:	40                   	rex
   7:	40                   	rex
   8:	40                   	rex
   9:	40                   	rex
   a:	40                   	rex
   b:	40                   	rex
   c:	40                   	rex
   d:	40                   	rex
   e:	40                   	rex
   f:	40 d7                	rex xlat BYTE PTR ds:[rbx]

Init:
```
MOV RBX, R14;
mov qword ptr [RBX], 0
```
Show nanoBench command
Results:
- Instructions retired: 2.02
- Core cycles: 1.02
- Reference cycles: 1.02
- UOPS_RETIRED.ALL: 4.01
- RETIRE_SLOTS: 4.01
- UOPS_MITE: 0.05
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.6
- UOPS_PORT_1: 0.67
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 0.74
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.02

XLAT - Throughput and Uops

With unroll_count=500 and no inner loop

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

With loop_count=1000 and unroll_count=10

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

With loop_count=100 and unroll_count=100

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

With additional dependency-breaking instructions

With unroll_count=500 and no inner loop

With loop_count=1000 and unroll_count=10

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

With loop_count=100 and unroll_count=100

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