SHA256RNDS2 (XMM, XMM)

With unroll_count=500 and no inner loop

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0

Show nanoBench command
Results:
- MPERF: 3.34
- APERF: 4.0
- UOPS: 1.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 1.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=10

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0

Show nanoBench command
Results:
- MPERF: 3.35
- APERF: 4.0
- UOPS: 1.2
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 1.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=100

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0

Show nanoBench command
Results:
- MPERF: 3.35
- APERF: 4.0
- UOPS: 1.02
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 1.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With 4 independent instructions

With unroll_count=200 and no inner loop

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5

Show nanoBench command
Results:
- MPERF: 6.72
- APERF: 8.0
- UOPS: 4.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 4.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=2

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5

Show nanoBench command
Results:
- MPERF: 6.74
- APERF: 8.0
- UOPS: 5.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 3.99
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=20

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
PXOR XMM3, XMM3;
PXOR XMM4, XMM4;
PXOR XMM5, XMM5

Show nanoBench command
Results:
- MPERF: 6.74
- APERF: 8.0
- UOPS: 4.1
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 3.99
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With 8 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0
  10:	0f 38 cb f2          	sha256rnds2 xmm6,xmm2,xmm0
  14:	0f 38 cb fa          	sha256rnds2 xmm7,xmm2,xmm0
  18:	44 0f 38 cb c2       	sha256rnds2 xmm8,xmm2,xmm0
  1d:	44 0f 38 cb ca       	sha256rnds2 xmm9,xmm2,xmm0

Init:

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

Show nanoBench command
Results:
- MPERF: 13.5
- APERF: 16.0
- UOPS: 8.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 8.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0
  10:	0f 38 cb f2          	sha256rnds2 xmm6,xmm2,xmm0
  14:	0f 38 cb fa          	sha256rnds2 xmm7,xmm2,xmm0
  18:	44 0f 38 cb c2       	sha256rnds2 xmm8,xmm2,xmm0
  1d:	44 0f 38 cb ca       	sha256rnds2 xmm9,xmm2,xmm0

Init:

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

Show nanoBench command
Results:
- MPERF: 13.48
- APERF: 16.01
- UOPS: 10.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 7.97
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0
  10:	0f 38 cb f2          	sha256rnds2 xmm6,xmm2,xmm0
  14:	0f 38 cb fa          	sha256rnds2 xmm7,xmm2,xmm0
  18:	44 0f 38 cb c2       	sha256rnds2 xmm8,xmm2,xmm0
  1d:	44 0f 38 cb ca       	sha256rnds2 xmm9,xmm2,xmm0

Init:

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

Show nanoBench command
Results:
- MPERF: 13.48
- APERF: 16.01
- UOPS: 8.2
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 7.97
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With 11 independent instructions

With unroll_count=100 and no inner loop

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0
  10:	0f 38 cb f2          	sha256rnds2 xmm6,xmm2,xmm0
  14:	0f 38 cb fa          	sha256rnds2 xmm7,xmm2,xmm0
  18:	44 0f 38 cb c2       	sha256rnds2 xmm8,xmm2,xmm0
  1d:	44 0f 38 cb ca       	sha256rnds2 xmm9,xmm2,xmm0
  22:	44 0f 38 cb d2       	sha256rnds2 xmm10,xmm2,xmm0
  27:	44 0f 38 cb da       	sha256rnds2 xmm11,xmm2,xmm0
  2c:	44 0f 38 cb e2       	sha256rnds2 xmm12,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
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:
- MPERF: 18.42
- APERF: 22.0
- UOPS: 11.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 11.0
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=1000 and unroll_count=1

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0
  10:	0f 38 cb f2          	sha256rnds2 xmm6,xmm2,xmm0
  14:	0f 38 cb fa          	sha256rnds2 xmm7,xmm2,xmm0
  18:	44 0f 38 cb c2       	sha256rnds2 xmm8,xmm2,xmm0
  1d:	44 0f 38 cb ca       	sha256rnds2 xmm9,xmm2,xmm0
  22:	44 0f 38 cb d2       	sha256rnds2 xmm10,xmm2,xmm0
  27:	44 0f 38 cb da       	sha256rnds2 xmm11,xmm2,xmm0
  2c:	44 0f 38 cb e2       	sha256rnds2 xmm12,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
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:
- MPERF: 18.43
- APERF: 22.01
- UOPS: 13.0
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 11.04
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

With loop_count=100 and unroll_count=10

Code:

   0:	0f 38 cb ca          	sha256rnds2 xmm1,xmm2,xmm0
   4:	0f 38 cb da          	sha256rnds2 xmm3,xmm2,xmm0
   8:	0f 38 cb e2          	sha256rnds2 xmm4,xmm2,xmm0
   c:	0f 38 cb ea          	sha256rnds2 xmm5,xmm2,xmm0
  10:	0f 38 cb f2          	sha256rnds2 xmm6,xmm2,xmm0
  14:	0f 38 cb fa          	sha256rnds2 xmm7,xmm2,xmm0
  18:	44 0f 38 cb c2       	sha256rnds2 xmm8,xmm2,xmm0
  1d:	44 0f 38 cb ca       	sha256rnds2 xmm9,xmm2,xmm0
  22:	44 0f 38 cb d2       	sha256rnds2 xmm10,xmm2,xmm0
  27:	44 0f 38 cb da       	sha256rnds2 xmm11,xmm2,xmm0
  2c:	44 0f 38 cb e2       	sha256rnds2 xmm12,xmm2,xmm0

Init:

VZEROALL;
PXOR XMM1, XMM1;
PXOR XMM2, XMM2;
PXOR XMM0, XMM0;
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:
- MPERF: 18.54
- APERF: 22.01
- UOPS: 11.2
- FpuPipeAssignment.Total0: 0.0
- FpuPipeAssignment.Total1: 10.97
- FpuPipeAssignment.Total2: 0.0
- FpuPipeAssignment.Total3: 0.0
- DIV_CYCLES: 0.0

SHA256RNDS2 (XMM, XMM) - Throughput and Uops

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