MOVSB - Port Usage

With blocking instructions for port '2':

Code:

   0:	f2 41 0f f0 46 40    	lddqu  xmm0,[r14+0x40]
   6:	f2 41 0f f0 4e 50    	lddqu  xmm1,[r14+0x50]
   c:	f2 41 0f f0 56 60    	lddqu  xmm2,[r14+0x60]
  12:	f2 41 0f f0 5e 70    	lddqu  xmm3,[r14+0x70]
  18:	f2 41 0f f0 a6 80 00 	lddqu  xmm4,[r14+0x80]
  1f:	00 00 
  21:	f2 41 0f f0 ae 90 00 	lddqu  xmm5,[r14+0x90]
  28:	00 00 
  2a:	f2 41 0f f0 b6 a0 00 	lddqu  xmm6,[r14+0xa0]
  31:	00 00 
  33:	f2 41 0f f0 be b0 00 	lddqu  xmm7,[r14+0xb0]
  3a:	00 00 
  3c:	f2 45 0f f0 86 c0 00 	lddqu  xmm8,[r14+0xc0]
  43:	00 00 
  45:	f2 45 0f f0 8e d0 00 	lddqu  xmm9,[r14+0xd0]
  4c:	00 00 
  4e:	a4                   	movs   BYTE PTR es:[rdi],BYTE PTR ds:[rsi]

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.51
- Reference cycles: 9.6
- UOPS_PORT_0: 0.03
- UOPS_PORT_1: 0.46
- UOPS_PORT_2: 11.0
- UOPS_PORT_3: 1.0
- UOPS_PORT_4: 1.0
- UOPS_PORT_5: 0.0
- UOPS_RETIRED.ANY: 15.0

⇨ One μop that can only use port '2'

With blocking instructions for port '3':

Code:

   0:	4d 89 46 40          	mov    QWORD PTR [r14+0x40],r8
   4:	4d 89 46 48          	mov    QWORD PTR [r14+0x48],r8
   8:	4d 89 46 50          	mov    QWORD PTR [r14+0x50],r8
   c:	4d 89 46 58          	mov    QWORD PTR [r14+0x58],r8
  10:	4d 89 46 60          	mov    QWORD PTR [r14+0x60],r8
  14:	4d 89 46 68          	mov    QWORD PTR [r14+0x68],r8
  18:	4d 89 46 70          	mov    QWORD PTR [r14+0x70],r8
  1c:	4d 89 46 78          	mov    QWORD PTR [r14+0x78],r8
  20:	4d 89 86 80 00 00 00 	mov    QWORD PTR [r14+0x80],r8
  27:	4d 89 86 88 00 00 00 	mov    QWORD PTR [r14+0x88],r8
  2e:	a4                   	movs   BYTE PTR es:[rdi],BYTE PTR ds:[rsi]

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.09
- Reference cycles: 9.17
- UOPS_PORT_0: 0.01
- UOPS_PORT_1: 0.28
- UOPS_PORT_2: 1.0
- UOPS_PORT_3: 11.0
- UOPS_PORT_4: 11.07
- UOPS_PORT_5: 0.0
- UOPS_RETIRED.ANY: 25.0

⇨ One μop that can only use port '3'

With blocking instructions for port '4':

Code:

   0:	4d 89 46 40          	mov    QWORD PTR [r14+0x40],r8
   4:	4d 89 46 48          	mov    QWORD PTR [r14+0x48],r8
   8:	4d 89 46 50          	mov    QWORD PTR [r14+0x50],r8
   c:	4d 89 46 58          	mov    QWORD PTR [r14+0x58],r8
  10:	4d 89 46 60          	mov    QWORD PTR [r14+0x60],r8
  14:	4d 89 46 68          	mov    QWORD PTR [r14+0x68],r8
  18:	4d 89 46 70          	mov    QWORD PTR [r14+0x70],r8
  1c:	4d 89 46 78          	mov    QWORD PTR [r14+0x78],r8
  20:	4d 89 86 80 00 00 00 	mov    QWORD PTR [r14+0x80],r8
  27:	4d 89 86 88 00 00 00 	mov    QWORD PTR [r14+0x88],r8
  2e:	a4                   	movs   BYTE PTR es:[rdi],BYTE PTR ds:[rsi]

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.09
- Reference cycles: 9.2
- UOPS_PORT_0: 0.01
- UOPS_PORT_1: 0.28
- UOPS_PORT_2: 1.0
- UOPS_PORT_3: 11.0
- UOPS_PORT_4: 11.07
- UOPS_PORT_5: 0.0
- UOPS_RETIRED.ANY: 25.0

⇨ One μop that can only use port '4'

With blocking instructions for ports {'0', '5'}:

Code:

   0:	0f 38 1c c1          	pabsb  mm0,mm1
   4:	0f 38 1c d1          	pabsb  mm2,mm1
   8:	0f 38 1c d9          	pabsb  mm3,mm1
   c:	0f 38 1c e1          	pabsb  mm4,mm1
  10:	0f 38 1c e9          	pabsb  mm5,mm1
  14:	0f 38 1c f1          	pabsb  mm6,mm1
  18:	0f 38 1c f9          	pabsb  mm7,mm1
  1c:	0f 38 1c c1          	pabsb  mm0,mm1
  20:	0f 38 1c d1          	pabsb  mm2,mm1
  24:	0f 38 1c d9          	pabsb  mm3,mm1
  28:	0f 38 1c e1          	pabsb  mm4,mm1
  2c:	0f 38 1c e9          	pabsb  mm5,mm1
  30:	a4                   	movs   BYTE PTR es:[rdi],BYTE PTR ds:[rsi]

Init:
```
PXOR MM1, MM1
```
Show nanoBench command
Results:
- Instructions retired: 13.0
- Core cycles: 6.99
- Reference cycles: 5.78
- UOPS_PORT_0: 6.04
- UOPS_PORT_1: 2.0
- UOPS_PORT_2: 1.0
- UOPS_PORT_3: 1.0
- UOPS_PORT_4: 1.0
- UOPS_PORT_5: 7.64
- UOPS_RETIRED.ANY: 17.0

With blocking instructions for ports {'0', '1', '5'}:

Code:

   0:	41 b8 00 00 00 01    	mov    r8d,0x1000000
   6:	41 b9 00 00 00 01    	mov    r9d,0x1000000
   c:	41 ba 00 00 00 01    	mov    r10d,0x1000000
  12:	41 bb 00 00 00 01    	mov    r11d,0x1000000
  18:	41 bc 00 00 00 01    	mov    r12d,0x1000000
  1e:	bb 00 00 00 01       	mov    ebx,0x1000000
  23:	b9 00 00 00 01       	mov    ecx,0x1000000
  28:	ba 00 00 00 01       	mov    edx,0x1000000
  2d:	41 b8 00 00 00 01    	mov    r8d,0x1000000
  33:	41 b9 00 00 00 01    	mov    r9d,0x1000000
  39:	41 ba 00 00 00 01    	mov    r10d,0x1000000
  3f:	41 bb 00 00 00 01    	mov    r11d,0x1000000
  45:	41 bc 00 00 00 01    	mov    r12d,0x1000000
  4b:	bb 00 00 00 01       	mov    ebx,0x1000000
  50:	b9 00 00 00 01       	mov    ecx,0x1000000
  55:	ba 00 00 00 01       	mov    edx,0x1000000
  5a:	41 b8 00 00 00 01    	mov    r8d,0x1000000
  60:	41 b9 00 00 00 01    	mov    r9d,0x1000000
  66:	a4                   	movs   BYTE PTR es:[rdi],BYTE PTR ds:[rsi]

Show nanoBench command
Results:
- Instructions retired: 19.0
- Core cycles: 9.65
- Reference cycles: 8.06
- UOPS_PORT_0: 6.04
- UOPS_PORT_1: 6.69
- UOPS_PORT_2: 1.0
- UOPS_PORT_3: 1.0
- UOPS_PORT_4: 1.0
- UOPS_PORT_5: 0.0
- UOPS_RETIRED.ANY: 23.0

⇨ 2 μops that can only use ports {'0', '1', '5'}