ADD (AL, I8)

Operands

• Operand 1 (r/w): Register (AL)
• Operand 2 (r): 8-bit immediate
• Operand 3 (w, suppressed): Flags (AF: w, CF: w, OF: w, PF: w, SF: w, ZF: w)

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 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.20
  • Measured (loop): 0.35
  • Measured (unrolled): 0.33
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156B
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Rocket Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.40
  • Measured (unrolled): 0.62
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Tiger Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.40
  • Measured (unrolled): 0.60
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Ice Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.40
  • Measured (unrolled): 0.62
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Cascade Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.50
  • Measured (unrolled): 0.63
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Cannon Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.50
  • Measured (unrolled): 0.63
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Skylake-X

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.50
  • Measured (unrolled): 0.63
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.48
• Number of μops: 1
• Port usage: 1*p0156
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.47
• Number of μops: 1
• Port usage: 1*p0156

Coffee Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.50
  • Measured (unrolled): 0.63
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Kaby Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.50
  • Measured (unrolled): 0.63
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ

Skylake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.50
  • Measured (unrolled): 0.63
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.48
• Number of μops: 1
• Port usage: 1*p0156
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.47
• Number of μops: 1
• Port usage: 1*p0156

Broadwell

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.53
  • Measured (unrolled): 0.62
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.50 (with the -no_interiteration flag: 0.25)
• Number of μops: 1
• Port usage: 1*p0156
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.48
• Number of μops: 1
• Port usage: 1*p0156
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.47
• Number of μops: 1
• Port usage: 1*p0156

Haswell

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.25
  • Measured (loop): 0.53
  • Measured (unrolled): 0.62
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.50 (with the -no_interiteration flag: 0.25)
• Number of μops: 1
• Port usage: 1*p0156
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.50 (with the -no_interiteration flag: 0.25)
• Number of μops: 1
• Port usage: 1*p0156
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.48
• Number of μops: 1
• Port usage: 1*p0156
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.25
  • IACA: 0.47
• Number of μops: 1
• Port usage: 1*p0156

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.53
  • Measured (unrolled): 0.62
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p015
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 0.50 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 0.50 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 0.48
• Number of μops: 1
• Port usage: 1*p015

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.60
  • Measured (unrolled): 0.64
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p015
• Macro-fusible with: JB, JBE, JL, JLE, JNB, JNBE, JNL, JNLE, JNZ, JZ
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 0.50 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 0.50 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 0.48
• Number of μops: 1
• Port usage: 1*p015

Westmere

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p015
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 1.00 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 1.00 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015

Nehalem

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p015
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 1.00 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.33
  • IACA: 1.00 (with the -no_interiteration flag: 0.35)
• Number of μops: 1
• Port usage: 1*p015

Wolfdale

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
• Port usage: 1*p015

Conroe

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.33
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
• Port usage: 1*p015

Tremont

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Goldmont

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.67
  • Measured (unrolled): 0.67
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Airmont

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Bonnell

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• 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 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.33
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.33
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.52
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1

AMD Zen+

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.60
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1