PEXT (R32, R32, M32)

With unroll_count=500 and no inner loop

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.81
- APERF: 1.0
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.8
- APERF: 1.0
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 0.81
- APERF: 1.0
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]
   5:	c4 42 32 f5 56 04    	pext   r10d,r9d,DWORD PTR [r14+0x4]
   b:	c4 42 32 f5 5e 08    	pext   r11d,r9d,DWORD PTR [r14+0x8]
  11:	c4 42 32 f5 66 0c    	pext   r12d,r9d,DWORD PTR [r14+0xc]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 3.27
- APERF: 4.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]
   5:	c4 42 32 f5 56 04    	pext   r10d,r9d,DWORD PTR [r14+0x4]
   b:	c4 42 32 f5 5e 08    	pext   r11d,r9d,DWORD PTR [r14+0x8]
  11:	c4 42 32 f5 66 0c    	pext   r12d,r9d,DWORD PTR [r14+0xc]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 3.22
- APERF: 4.0
- UOPS: 4.5
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]
   5:	c4 42 32 f5 56 04    	pext   r10d,r9d,DWORD PTR [r14+0x4]
   b:	c4 42 32 f5 5e 08    	pext   r11d,r9d,DWORD PTR [r14+0x8]
  11:	c4 42 32 f5 66 0c    	pext   r12d,r9d,DWORD PTR [r14+0xc]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 3.22
- APERF: 4.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]
   5:	c4 42 32 f5 56 04    	pext   r10d,r9d,DWORD PTR [r14+0x4]
   b:	c4 42 32 f5 5e 08    	pext   r11d,r9d,DWORD PTR [r14+0x8]
  11:	c4 42 32 f5 66 0c    	pext   r12d,r9d,DWORD PTR [r14+0xc]
  17:	c4 c2 32 f5 5e 10    	pext   ebx,r9d,DWORD PTR [r14+0x10]
  1d:	c4 c2 32 f5 4e 14    	pext   ecx,r9d,DWORD PTR [r14+0x14]
  23:	c4 c2 32 f5 56 18    	pext   edx,r9d,DWORD PTR [r14+0x18]
  29:	c4 c2 32 f5 46 1c    	pext   eax,r9d,DWORD PTR [r14+0x1c]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 6.35
- APERF: 8.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]
   5:	c4 42 32 f5 56 04    	pext   r10d,r9d,DWORD PTR [r14+0x4]
   b:	c4 42 32 f5 5e 08    	pext   r11d,r9d,DWORD PTR [r14+0x8]
  11:	c4 42 32 f5 66 0c    	pext   r12d,r9d,DWORD PTR [r14+0xc]
  17:	c4 c2 32 f5 5e 10    	pext   ebx,r9d,DWORD PTR [r14+0x10]
  1d:	c4 c2 32 f5 4e 14    	pext   ecx,r9d,DWORD PTR [r14+0x14]
  23:	c4 c2 32 f5 56 18    	pext   edx,r9d,DWORD PTR [r14+0x18]
  29:	c4 c2 32 f5 46 1c    	pext   eax,r9d,DWORD PTR [r14+0x1c]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 6.4
- APERF: 8.01
- UOPS: 9.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c4 42 32 f5 06       	pext   r8d,r9d,DWORD PTR [r14]
   5:	c4 42 32 f5 56 04    	pext   r10d,r9d,DWORD PTR [r14+0x4]
   b:	c4 42 32 f5 5e 08    	pext   r11d,r9d,DWORD PTR [r14+0x8]
  11:	c4 42 32 f5 66 0c    	pext   r12d,r9d,DWORD PTR [r14+0xc]
  17:	c4 c2 32 f5 5e 10    	pext   ebx,r9d,DWORD PTR [r14+0x10]
  1d:	c4 c2 32 f5 4e 14    	pext   ecx,r9d,DWORD PTR [r14+0x14]
  23:	c4 c2 32 f5 56 18    	pext   edx,r9d,DWORD PTR [r14+0x18]
  29:	c4 c2 32 f5 46 1c    	pext   eax,r9d,DWORD PTR [r14+0x1c]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL

Show nanoBench command
Results:
- MPERF: 6.44
- APERF: 8.01
- UOPS: 8.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With an indexed addressing mode

With 1 independent instruction

With unroll_count=500 and no inner loop

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 0.81
- APERF: 1.0
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 0.81
- APERF: 1.0
- UOPS: 1.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 0.8
- APERF: 1.0
- UOPS: 1.01
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]
   6:	c4 02 32 f5 54 2e 04 	pext   r10d,r9d,DWORD PTR [r14+r13*1+0x4]
   d:	c4 02 32 f5 5c 2e 08 	pext   r11d,r9d,DWORD PTR [r14+r13*1+0x8]
  14:	c4 02 32 f5 64 2e 0c 	pext   r12d,r9d,DWORD PTR [r14+r13*1+0xc]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 3.27
- APERF: 4.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]
   6:	c4 02 32 f5 54 2e 04 	pext   r10d,r9d,DWORD PTR [r14+r13*1+0x4]
   d:	c4 02 32 f5 5c 2e 08 	pext   r11d,r9d,DWORD PTR [r14+r13*1+0x8]
  14:	c4 02 32 f5 64 2e 0c 	pext   r12d,r9d,DWORD PTR [r14+r13*1+0xc]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 3.2
- APERF: 4.0
- UOPS: 4.5
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]
   6:	c4 02 32 f5 54 2e 04 	pext   r10d,r9d,DWORD PTR [r14+r13*1+0x4]
   d:	c4 02 32 f5 5c 2e 08 	pext   r11d,r9d,DWORD PTR [r14+r13*1+0x8]
  14:	c4 02 32 f5 64 2e 0c 	pext   r12d,r9d,DWORD PTR [r14+r13*1+0xc]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 3.22
- APERF: 4.0
- UOPS: 4.05
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]
   6:	c4 02 32 f5 54 2e 04 	pext   r10d,r9d,DWORD PTR [r14+r13*1+0x4]
   d:	c4 02 32 f5 5c 2e 08 	pext   r11d,r9d,DWORD PTR [r14+r13*1+0x8]
  14:	c4 02 32 f5 64 2e 0c 	pext   r12d,r9d,DWORD PTR [r14+r13*1+0xc]
  1b:	c4 82 32 f5 5c 2e 10 	pext   ebx,r9d,DWORD PTR [r14+r13*1+0x10]
  22:	c4 82 32 f5 4c 2e 14 	pext   ecx,r9d,DWORD PTR [r14+r13*1+0x14]
  29:	c4 82 32 f5 54 2e 18 	pext   edx,r9d,DWORD PTR [r14+r13*1+0x18]
  30:	c4 82 32 f5 44 2e 1c 	pext   eax,r9d,DWORD PTR [r14+r13*1+0x1c]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 6.35
- APERF: 8.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]
   6:	c4 02 32 f5 54 2e 04 	pext   r10d,r9d,DWORD PTR [r14+r13*1+0x4]
   d:	c4 02 32 f5 5c 2e 08 	pext   r11d,r9d,DWORD PTR [r14+r13*1+0x8]
  14:	c4 02 32 f5 64 2e 0c 	pext   r12d,r9d,DWORD PTR [r14+r13*1+0xc]
  1b:	c4 82 32 f5 5c 2e 10 	pext   ebx,r9d,DWORD PTR [r14+r13*1+0x10]
  22:	c4 82 32 f5 4c 2e 14 	pext   ecx,r9d,DWORD PTR [r14+r13*1+0x14]
  29:	c4 82 32 f5 54 2e 18 	pext   edx,r9d,DWORD PTR [r14+r13*1+0x18]
  30:	c4 82 32 f5 44 2e 1c 	pext   eax,r9d,DWORD PTR [r14+r13*1+0x1c]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 6.4
- APERF: 8.01
- UOPS: 9.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c4 02 32 f5 04 2e    	pext   r8d,r9d,DWORD PTR [r14+r13*1]
   6:	c4 02 32 f5 54 2e 04 	pext   r10d,r9d,DWORD PTR [r14+r13*1+0x4]
   d:	c4 02 32 f5 5c 2e 08 	pext   r11d,r9d,DWORD PTR [r14+r13*1+0x8]
  14:	c4 02 32 f5 64 2e 0c 	pext   r12d,r9d,DWORD PTR [r14+r13*1+0xc]
  1b:	c4 82 32 f5 5c 2e 10 	pext   ebx,r9d,DWORD PTR [r14+r13*1+0x10]
  22:	c4 82 32 f5 4c 2e 14 	pext   ecx,r9d,DWORD PTR [r14+r13*1+0x14]
  29:	c4 82 32 f5 54 2e 18 	pext   edx,r9d,DWORD PTR [r14+r13*1+0x18]
  30:	c4 82 32 f5 44 2e 1c 	pext   eax,r9d,DWORD PTR [r14+r13*1+0x1c]

Init:

MOV R15, 10000;
L: VADDPS YMM0, YMM1, YMM1;
VADDPS YMM0, YMM1, YMM1;
DEC R15;
JNZ L;
VZEROALL;
XOR R13, R13

Show nanoBench command
Results:
- MPERF: 6.44
- APERF: 8.01
- UOPS: 8.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 0.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- FpuPipeAssignment.Total4: 0.0
- FpuPipeAssignment.Total5: 0.0
- DIV_CYCLES: 0.0

PEXT (R32, R32, M32) - Throughput and Uops

With a non-indexed addressing mode

With 1 independent instruction

With unroll_count=500 and no inner loop

With loop_count=1000 and unroll_count=10

With loop_count=100 and unroll_count=100

With 4 independent instructions

With unroll_count=200 and no inner loop

With loop_count=1000 and unroll_count=2

With loop_count=100 and unroll_count=20

With 8 independent instructions

With unroll_count=100 and no inner loop

With loop_count=1000 and unroll_count=1

With loop_count=100 and unroll_count=10

With an indexed addressing mode

With 1 independent instruction

With unroll_count=500 and no inner loop

With loop_count=1000 and unroll_count=10

With loop_count=100 and unroll_count=100

With 4 independent instructions

With unroll_count=200 and no inner loop

With loop_count=1000 and unroll_count=2

With loop_count=100 and unroll_count=20

With 8 independent instructions

With unroll_count=100 and no inner loop

With loop_count=1000 and unroll_count=1

With loop_count=100 and unroll_count=10