STMXCSR (M32) - Port Usage

With blocking instructions for port '0':

Code:

   0:	41 0f 7e c0          	movd   r8d,mm0
   4:	41 0f 7e c1          	movd   r9d,mm0
   8:	41 0f 7e c2          	movd   r10d,mm0
   c:	41 0f 7e c3          	movd   r11d,mm0
  10:	41 0f 7e c4          	movd   r12d,mm0
  14:	0f 7e c3             	movd   ebx,mm0
  17:	0f 7e c1             	movd   ecx,mm0
  1a:	0f 7e c2             	movd   edx,mm0
  1d:	41 0f 7e c0          	movd   r8d,mm0
  21:	41 0f 7e c1          	movd   r9d,mm0
  25:	41 0f ae 1e          	stmxcsr DWORD PTR [r14]

Init:
```
PXOR MM0, MM0;
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.04
- Reference cycles: 10.99
- UOPS_PORT_0: 11.01

⇨ One μop that can only use port '0'

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:	41 0f ae 1e          	stmxcsr DWORD PTR [r14]

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.09
- Reference cycles: 11.11
- UOPS_PORT_4: 11.0

⇨ One μop that can only use port '4'

With blocking instructions for port '5':

Code:

   0:	66 0f 55 c1          	andnpd xmm0,xmm1
   4:	66 0f 55 d1          	andnpd xmm2,xmm1
   8:	66 0f 55 d9          	andnpd xmm3,xmm1
   c:	66 0f 55 e1          	andnpd xmm4,xmm1
  10:	66 0f 55 e9          	andnpd xmm5,xmm1
  14:	66 0f 55 f1          	andnpd xmm6,xmm1
  18:	66 0f 55 f9          	andnpd xmm7,xmm1
  1c:	66 44 0f 55 c1       	andnpd xmm8,xmm1
  21:	66 44 0f 55 c9       	andnpd xmm9,xmm1
  26:	66 44 0f 55 d1       	andnpd xmm10,xmm1
  2b:	41 0f ae 1e          	stmxcsr DWORD PTR [r14]

Init:

VZEROALL;
PXOR XMM0, XMM0;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9;
PXOR XMM10, XMM10;
PXOR XMM11, XMM11;
PXOR XMM12, XMM12

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.03
- Reference cycles: 11.22
- UOPS_PORT_5: 10.98

⇨ One μop that can only use port '5'

With blocking instructions for ports {'2', '3'}:

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:	41 0f ae 1e          	stmxcsr DWORD PTR [r14]

Init:
```
VZEROALL
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.61
- Reference cycles: 5.61
- UOPS_PORT_2: 5.49
- UOPS_PORT_3: 5.49

⇨ One μop that can only use ports {'2', '3'}

With an indexed addressing mode

With blocking instructions for port '0':

Code:

   0:	41 0f 7e c0          	movd   r8d,mm0
   4:	41 0f 7e c1          	movd   r9d,mm0
   8:	41 0f 7e c2          	movd   r10d,mm0
   c:	41 0f 7e c3          	movd   r11d,mm0
  10:	41 0f 7e c4          	movd   r12d,mm0
  14:	0f 7e c3             	movd   ebx,mm0
  17:	0f 7e c1             	movd   ecx,mm0
  1a:	0f 7e c2             	movd   edx,mm0
  1d:	41 0f 7e c0          	movd   r8d,mm0
  21:	41 0f 7e c1          	movd   r9d,mm0
  25:	43 0f ae 1c 2e       	stmxcsr DWORD PTR [r14+r13*1]

Init:
```
PXOR MM0, MM0;
VZEROALL;
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.05
- Reference cycles: 10.99
- UOPS_PORT_0: 11.0

⇨ One μop that can only use port '0'

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:	43 0f ae 1c 2e       	stmxcsr DWORD PTR [r14+r13*1]

Init:
```
VZEROALL;
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.08
- Reference cycles: 11.22
- UOPS_PORT_4: 11.0

⇨ One μop that can only use port '4'

With blocking instructions for port '5':

Code:

   0:	66 0f 55 c1          	andnpd xmm0,xmm1
   4:	66 0f 55 d1          	andnpd xmm2,xmm1
   8:	66 0f 55 d9          	andnpd xmm3,xmm1
   c:	66 0f 55 e1          	andnpd xmm4,xmm1
  10:	66 0f 55 e9          	andnpd xmm5,xmm1
  14:	66 0f 55 f1          	andnpd xmm6,xmm1
  18:	66 0f 55 f9          	andnpd xmm7,xmm1
  1c:	66 44 0f 55 c1       	andnpd xmm8,xmm1
  21:	66 44 0f 55 c9       	andnpd xmm9,xmm1
  26:	66 44 0f 55 d1       	andnpd xmm10,xmm1
  2b:	43 0f ae 1c 2e       	stmxcsr DWORD PTR [r14+r13*1]

Init:

VZEROALL;
PXOR XMM0, XMM0;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5;
PXOR XMM6, XMM6;
PXOR XMM7, XMM7;
PXOR XMM8, XMM8;
PXOR XMM9, XMM9;
PXOR XMM10, XMM10;
PXOR XMM11, XMM11;
PXOR XMM12, XMM12;
XOR R13, R13

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.04
- Reference cycles: 11.16
- UOPS_PORT_5: 10.98

⇨ One μop that can only use port '5'

With blocking instructions for ports {'2', '3'}:

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:	43 0f ae 1c 2e       	stmxcsr DWORD PTR [r14+r13*1]

Init:
```
VZEROALL;
XOR R13, R13
```
Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 5.61
- Reference cycles: 5.78
- UOPS_PORT_2: 5.49
- UOPS_PORT_3: 5.49

⇨ One μop that can only use ports {'2', '3'}