MUL (R32)

Operands

• Operand 1 (r): Register (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI, R8D, R9D, R10D, R11D, R12D, R13D, R14D, R15D)
• Operand 2 (r/w, suppressed): Register (EAX)
• Operand 3 (w, suppressed): Register (EDX)
• Operand 4 (w, suppressed): Flags (AF: undef, CF: w, OF: w, PF: undef, SF: undef, ZF: undef)

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 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156B+1*p06+1*p1

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 0

Rocket Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.18
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Tiger Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.20
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Ice Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.18
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Cascade Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Cannon Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.10
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Skylake-X

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 1*p1+1*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 0.95
• Number of μops: 2
• Port usage: 1*p1+1*p5

Coffee Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Kaby Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1

Skylake

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 1*p1+1*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 0.95
• Number of μops: 2
• Port usage: 1*p1+1*p5

Broadwell

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.10
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+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: 2
• Port usage: 1*p1+1*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 1*p1+1*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 0.95
• Number of μops: 2
• Port usage: 1*p1+1*p5

Haswell

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.10
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 1*p0156+1*p06+1*p1
• IACA 2.1
• Latency: 4
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.05 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+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: 2
• Port usage: 1*p06+1*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 1*p06+1*p1
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 0.95
• Number of μops: 2
• Port usage: 1*p06+1*p1

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.12
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 1*p015+1*p05+1*p1
• IACA 2.1
• Latency: 4
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.05 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+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: 2
• Port usage: 1*p0+1*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 1*p0+1*p1

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.17
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Decoded (MITE): 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 1*p015+1*p05+1*p1
• IACA 2.1
• Latency: 4
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.05 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+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: 2
• Port usage: 1*p0+1*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 1*p0+1*p1

Westmere

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 2.00
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder
• Port usage: 1*p015+1*p05+1*p1
• IACA 2.1
• Latency: 8
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 8.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+1*p1
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 8.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+1*p1

Nehalem

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 2.00
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 3
  • Retire slots: 3
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder
• Port usage: 1*p015+1*p05+1*p1
• IACA 2.1
• Latency: 8
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 8.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+1*p1
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 8.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 1*p0+1*p1

Wolfdale

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.52
  • Measured (unrolled): 1.53
• Number of μops
  • Executed: 3
• Port usage: 1*p015+1*p05+1*p1

Conroe

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.52
  • Measured (unrolled): 1.53
• Number of μops
  • Executed: 3
• Port usage: 1*p015+1*p05+1*p1

Tremont

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 2.00
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 0

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 2.00
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 0

Goldmont

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 2.14
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 2
  • Microcode Sequencer (MS): 0

Airmont

• Measurements
• Latencies
  • Latency operand 1 → 2: 4
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 4
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 3
  • Microcode Sequencer (MS): 3
  • Requires the complex decoder

Bonnell

• Measurements
• Latencies
  • Latency operand 1 → 2: 6
  • Latency operand 1 → 3: 6
  • Latency operand 1 → 4: 6
  • Latency operand 2 → 2: 6
  • Latency operand 2 → 3: 6
  • Latency operand 2 → 4: 6
• Throughput
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 3
  • Microcode Sequencer (MS): 3
  • Requires the complex decoder

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 2

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 2
• Documentation
• Latency: 3,4
• Throughput: 1.00
• Number of μops: 1-2
• Port usage: ALU1

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 4
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 4
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 2
• Documentation
• Latency: 3,4
• Throughput: 1.00
• Number of μops: 1-2
• Port usage: ALU1

AMD Zen+

• Measurements
• Latencies
  • Latency operand 1 → 2: 3
  • Latency operand 1 → 3: 4
  • Latency operand 1 → 4: 3
  • Latency operand 2 → 2: 3
  • Latency operand 2 → 3: 4
  • Latency operand 2 → 4: 3
• Throughput
  • Measured (loop): 2.00
  • Measured (unrolled): 2.00
• Number of μops
  • Executed: 2
• Documentation
• Latency: 3
• Throughput: 1.00
• Number of μops: 1
• Port usage: ALU1