PREFETCH_EXCLUSIVE (M512)

Operands

• Operand 1 (r): Memory

Available performance data

• Alder Lake-P
• Alder Lake-E
• Rocket Lake
• Tiger Lake
• Ice Lake
• Cascade Lake
• Cannon Lake
• Skylake-X
• Coffee Lake
• Kaby Lake
• Skylake
• Broadwell
• Haswell
• Ivy Bridge
• Sandy Bridge
• Westmere
• Nehalem
• Wolfdale
• Conroe
• Tremont
• Goldmont Plus
• Goldmont
• Airmont
• Bonnell
• AMD Zen 4
• AMD Zen 3
• AMD Zen 2
• AMD Zen+

Alder Lake-P

• Measurements
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.33
  • Measured (unrolled): 0.33
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23A

Alder Lake-E

• Measurements
• Throughput
  • Measured (loop): 8.92
  • Measured (unrolled): 9.00
• Number of μops
  • Executed: 3
  • Microcode Sequencer (MS): 2
  • Requires the complex decoder

Rocket Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Tiger Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Ice Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Cascade Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Cannon Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Skylake-X

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Coffee Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Kaby Lake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Skylake

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Broadwell

• Measurements
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p23

Haswell

• Measurements
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 0
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• IACA 2.1
• Latency: 5
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p23

Ivy Bridge

• Measurements
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 0
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• IACA 2.1
• Latency: 5
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p23
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p23
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p23

Sandy Bridge

• Measurements
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 0
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• IACA 2.1
• Latency: 5
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p23
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p23
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p23

Westmere

• Measurements
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.33
  • Measured (unrolled): 0.33
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p015
• IACA 2.1
• Latency: 4
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 1
• Port usage: 1*p2
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 1
• Port usage: 1*p2

Nehalem

• Measurements
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.33
  • Measured (unrolled): 0.33
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p015
• IACA 2.1
• Latency: 4
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 1
• Port usage: 1*p2
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 1
• Port usage: 1*p2

Wolfdale

• Measurements
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
• Port usage: 1*p015

Conroe

• Measurements
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
• Port usage: 1*p015

Tremont

• Measurements
• Throughput
  • Measured (loop): 7.00
  • Measured (unrolled): 7.00
• Number of μops
  • Executed: 3
  • Microcode Sequencer (MS): 2
  • Requires the complex decoder

Goldmont Plus

• Measurements
• Throughput
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 2
  • Requires the complex decoder

Goldmont

• Measurements
• Throughput
  • Measured (loop): 1.20
  • Measured (unrolled): 4.00
• Number of μops
  • Executed: 3
  • Microcode Sequencer (MS): 3
  • Requires the complex decoder

Airmont

• Measurements
• Throughput
  • Measured (loop): 1.25
  • Measured (unrolled): 4.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 2
  • Requires the complex decoder

Bonnell

• Measurements
• Throughput
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 2
  • Requires the complex decoder

AMD Zen 4

• Measurements
• Throughput
  • Measured (loop): 0.33
  • Measured (unrolled): 0.33
• Number of μops
  • Executed: 1

AMD Zen 3

• Measurements
• Throughput
  • Measured (loop): 0.33
  • Measured (unrolled): 0.33
• Number of μops
  • Executed: 1

AMD Zen 2

• Measurements
• Throughput
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1

AMD Zen+

• Measurements
• Throughput
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1