Intel ARCHITECTURE IA-32 User Manual

Page 498

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background image

IA-32 Intel® Architecture Optimization

B-44

SSE Input
Assists

The number of
occurrences of
SSE/SSE2
floating-point
operations needing
assistance to handle
an exception
condition. The
number of
occurrences includes
speculative counts.

SSE_input_assist

ALL

Packed SP
Retired

3

Non-bogus packed
single-precision
instructions retired.

Execution_event

; set

this execution tag:
Packed_SP_retired

NONBOGUS0

Packed DP
Retired

3

Non-bogus packed
double-precision
instructions retired.

Execution_event

; set

this execution tag:

Packed_DP_retired

NONBOGUS0

Scalar SP
Retired

3

Non-bogus scalar
single-precision
instructions retired.

Execution_event

; set

this execution tag:

Scalar_SP_retired

NONBOGUS0

Scalar DP
Retired

3

Non-bogus scalar
double-precision
instructions retired.

Execution_event

; set

this execution tag:

Scalar_DP_retired

NONBOGUS0

64-bit MMX
Instructions
Retired

3

Non-bogus 64-bit
integer SIMD
instruction (MMX
instructions) retired.

Execution_event; set the
following execution tag:

64_bit_MMX_retired

NONBOGUS0

128-bit MMX
Instructions
Retired

3

Non-bogus 128-bit
integer SIMD
instructions retired.

Execution_event

; set

this execution tag:

128_bit_MMX_

retired

NONBOGUS0

X87 Retired

4

Non-bogus x87
floating-point
instructions retired.

Execution_event

; set

this execution tag:
X87_FP_retired

NONBOGUS0

continued

Table B-1

Pentium 4 Processor Performance Metrics (continued)

Metric

Description

Event Name or Metric
Expression

Event Mask Value
Required

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