LEA_B_IS (R64)

Operands

• Operand 1 (w): Register (RAX, RCX, RDX, RBX, RSP, RBP, RSI, RDI, R8, R9, R10, R11, R12, R13, R14, R15)
• Operand 2 (r):

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
• Latencies
  • Latency operand 2 → 1 (address, base register): 2
  • Latency operand 2 → 1 (address, index register): 2
• 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*p056

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Rocket Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Tiger Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Ice Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Cascade Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Cannon Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Skylake-X

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p15
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.49
• Number of μops: 1
• Port usage: 1*p15

Coffee Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Kaby Lake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15

Skylake

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p15
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.49
• Number of μops: 1
• Port usage: 1*p15

Broadwell

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15
• 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*p15
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p15
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.49
• Number of μops: 1
• Port usage: 1*p15

Haswell

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p15
• IACA 2.1
• Latency: 1
• 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*p15
• 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*p15
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p15
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.49
• Number of μops: 1
• Port usage: 1*p15

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p01
• IACA 2.1
• Latency: 1
• 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*p01
• 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*p01
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p01

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• 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*p01
• IACA 2.1
• Latency: 1
• 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*p01
• 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*p01
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p01

Westmere

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p1
• IACA 2.1
• Latency: 1
• 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*p1
• 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*p1

Nehalem

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p1
• IACA 2.1
• Latency: 1
• 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*p1
• 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*p1

Wolfdale

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
• Port usage: 1*p0

Conroe

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
• Port usage: 1*p0

Tremont

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Goldmont

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Airmont

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 1.02
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Bonnell

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 4
  • Latency operand 2 → 1 (address, index register): 4
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 1

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 1
  • Latency operand 2 → 1 (address, index register): 1
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 1
• Documentation
• Latency: 2
• Throughput: 0.50
• Number of μops: 1
• Port usage: ALU2/3

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 2
  • Latency operand 2 → 1 (address, index register): 2
• Throughput
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
• Documentation
• Latency: 2
• Throughput: 0.50
• Number of μops: 1
• Port usage: ALU2/ALU3

AMD Zen+

• Measurements
• Latencies
  • Latency operand 2 → 1 (address, base register): 2
  • Latency operand 2 → 1 (address, index register): 2
• Throughput
  • Measured (loop): 0.57
  • Measured (unrolled): 0.54
• Number of μops
  • Executed: 1
• Documentation
• Latency: 1
• Throughput: 0.25
• Number of μops: 1
• Port usage: ALU