PDEP (R32, R32, R32)

With unroll_count=500 and no inner loop

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 1.0
- Reference cycles: 0.58
- UOPS_EXECUTED.THREAD: 1.0
- RETIRE_SLOTS: 1.0
- UOPS_MITE: 1.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 1.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.25

With loop_count=1000 and unroll_count=10

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 1.0
- Reference cycles: 0.59
- UOPS_EXECUTED.THREAD: 1.1
- RETIRE_SLOTS: 1.1
- UOPS_MITE: 0.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 1.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 1.0
- Reference cycles: 0.6
- UOPS_EXECUTED.THREAD: 1.01
- RETIRE_SLOTS: 1.01
- UOPS_MITE: 0.01
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 1.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.01
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 4.0
- Core cycles: 4.0
- Reference cycles: 2.43
- UOPS_EXECUTED.THREAD: 4.0
- RETIRE_SLOTS: 4.0
- UOPS_MITE: 4.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 4.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=1000 and unroll_count=2

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 5.0
- Core cycles: 4.01
- Reference cycles: 2.39
- UOPS_EXECUTED.THREAD: 4.5
- RETIRE_SLOTS: 4.5
- UOPS_MITE: 0.0
- UOPS_MS: 0.01
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 4.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.5
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 4.1
- Core cycles: 4.0
- Reference cycles: 2.39
- UOPS_EXECUTED.THREAD: 4.05
- RETIRE_SLOTS: 4.05
- UOPS_MITE: 0.05
- UOPS_MS: 0.01
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 4.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.05
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.01

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d
  14:	c4 42 33 f5 f2       	pdep   r14d,r9d,r10d
  19:	c4 c2 33 f5 da       	pdep   ebx,r9d,r10d
  1e:	c4 c2 33 f5 ca       	pdep   ecx,r9d,r10d
  23:	c4 c2 33 f5 d2       	pdep   edx,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 8.0
- Core cycles: 8.0
- Reference cycles: 4.99
- UOPS_EXECUTED.THREAD: 8.0
- RETIRE_SLOTS: 8.0
- UOPS_MITE: 8.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 8.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.02

With loop_count=1000 and unroll_count=1

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d
  14:	c4 42 33 f5 f2       	pdep   r14d,r9d,r10d
  19:	c4 c2 33 f5 da       	pdep   ebx,r9d,r10d
  1e:	c4 c2 33 f5 ca       	pdep   ecx,r9d,r10d
  23:	c4 c2 33 f5 d2       	pdep   edx,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 10.0
- Core cycles: 8.01
- Reference cycles: 4.77
- UOPS_EXECUTED.THREAD: 9.0
- RETIRE_SLOTS: 9.0
- UOPS_MITE: 0.01
- UOPS_MS: 0.03
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 8.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 1.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d
  14:	c4 42 33 f5 f2       	pdep   r14d,r9d,r10d
  19:	c4 c2 33 f5 da       	pdep   ebx,r9d,r10d
  1e:	c4 c2 33 f5 ca       	pdep   ecx,r9d,r10d
  23:	c4 c2 33 f5 d2       	pdep   edx,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 8.2
- Core cycles: 8.01
- Reference cycles: 4.77
- UOPS_EXECUTED.THREAD: 8.1
- RETIRE_SLOTS: 8.1
- UOPS_MITE: 0.09
- UOPS_MS: 0.02
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 8.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.02

With 11 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d
  14:	c4 42 33 f5 f2       	pdep   r14d,r9d,r10d
  19:	c4 c2 33 f5 da       	pdep   ebx,r9d,r10d
  1e:	c4 c2 33 f5 ca       	pdep   ecx,r9d,r10d
  23:	c4 c2 33 f5 d2       	pdep   edx,r9d,r10d
  28:	c4 c2 33 f5 fa       	pdep   edi,r9d,r10d
  2d:	c4 c2 33 f5 f2       	pdep   esi,r9d,r10d
  32:	c4 c2 33 f5 ea       	pdep   ebp,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 11.0
- Core cycles: 11.0
- Reference cycles: 6.94
- UOPS_EXECUTED.THREAD: 11.0
- RETIRE_SLOTS: 11.0
- UOPS_MITE: 11.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 11.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 2.75

With loop_count=1000 and unroll_count=1

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d
  14:	c4 42 33 f5 f2       	pdep   r14d,r9d,r10d
  19:	c4 c2 33 f5 da       	pdep   ebx,r9d,r10d
  1e:	c4 c2 33 f5 ca       	pdep   ecx,r9d,r10d
  23:	c4 c2 33 f5 d2       	pdep   edx,r9d,r10d
  28:	c4 c2 33 f5 fa       	pdep   edi,r9d,r10d
  2d:	c4 c2 33 f5 f2       	pdep   esi,r9d,r10d
  32:	c4 c2 33 f5 ea       	pdep   ebp,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 13.0
- Core cycles: 11.01
- Reference cycles: 6.57
- UOPS_EXECUTED.THREAD: 12.0
- RETIRE_SLOTS: 12.0
- UOPS_MITE: 0.01
- UOPS_MS: 0.03
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 11.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 1.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	c4 42 33 f5 c2       	pdep   r8d,r9d,r10d
   5:	c4 42 33 f5 da       	pdep   r11d,r9d,r10d
   a:	c4 42 33 f5 e2       	pdep   r12d,r9d,r10d
   f:	c4 42 33 f5 ea       	pdep   r13d,r9d,r10d
  14:	c4 42 33 f5 f2       	pdep   r14d,r9d,r10d
  19:	c4 c2 33 f5 da       	pdep   ebx,r9d,r10d
  1e:	c4 c2 33 f5 ca       	pdep   ecx,r9d,r10d
  23:	c4 c2 33 f5 d2       	pdep   edx,r9d,r10d
  28:	c4 c2 33 f5 fa       	pdep   edi,r9d,r10d
  2d:	c4 c2 33 f5 f2       	pdep   esi,r9d,r10d
  32:	c4 c2 33 f5 ea       	pdep   ebp,r9d,r10d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 11.2
- Core cycles: 11.01
- Reference cycles: 6.58
- UOPS_EXECUTED.THREAD: 11.1
- RETIRE_SLOTS: 11.1
- UOPS_MITE: 0.12
- UOPS_MS: 0.02
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 11.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.03

With the same register for for different operands

With unroll_count=500 and no inner loop

Code:

   0:	c4 42 3b f5 c0       	pdep   r8d,r8d,r8d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 3.0
- Reference cycles: 1.8
- UOPS_EXECUTED.THREAD: 1.0
- RETIRE_SLOTS: 1.0
- UOPS_MITE: 1.02
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 1.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.0
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.25

With loop_count=1000 and unroll_count=10

Code:

   0:	c4 42 3b f5 c0       	pdep   r8d,r8d,r8d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 1.2
- Core cycles: 3.0
- Reference cycles: 1.79
- UOPS_EXECUTED.THREAD: 1.1
- RETIRE_SLOTS: 1.1
- UOPS_MITE: 0.0
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 1.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.1
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	c4 42 3b f5 c0       	pdep   r8d,r8d,r8d

Init:

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

Show nanoBench command
Results:
- Instructions retired: 1.02
- Core cycles: 3.0
- Reference cycles: 1.79
- UOPS_EXECUTED.THREAD: 1.01
- RETIRE_SLOTS: 1.01
- UOPS_MITE: 0.01
- UOPS_MS: 0.0
- UOPS_PORT_0: 0.0
- UOPS_PORT_1: 1.0
- UOPS_PORT_5: 0.0
- UOPS_PORT_6: 0.01
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

PDEP (R32, R32, R32) - Throughput and Uops

With different registers for different operands

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 11 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 the same register for for different operands

With unroll_count=500 and no inner loop

With loop_count=1000 and unroll_count=10

With loop_count=100 and unroll_count=100