PCMPESTRM (XMM, XMM, I8)

Operands

• Operand 1 (r): Register (XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15)
• Operand 2 (r): Register (XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15)
• Operand 3 (r): 8-bit immediate
• Operand 4 (r, suppressed): Register (EAX)
• Operand 5 (r, suppressed): Register (EDX)
• Operand 6 (w, suppressed): Register (XMM0)
• Operand 7 (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
• Tremont
• Goldmont Plus
• Goldmont
• Airmont
• AMD Zen 4
• AMD Zen 3
• AMD Zen 2
• AMD Zen+

Alder Lake-P

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤16
  • Latency operand 4 → 7: 16
  • Latency operand 5 → 6: ≤16
  • Latency operand 5 → 7: 16
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+3*p015+1*p06+1*p1+1*p5

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 1 → 6: 6
  • Latency operand 1 → 7: ≤17
  • Latency operand 2 → 6: 9
  • Latency operand 2 → 7: ≤19
  • Latency operand 4 → 6: ≤17
  • Latency operand 4 → 7: 19
  • Latency operand 5 → 6: ≤18
  • Latency operand 5 → 7: 20
• Throughput
  • Measured (loop): 9.11
  • Measured (unrolled): 10.00
• Number of μops
  • Executed: 11
  • Microcode Sequencer (MS): 10
  • Requires the complex decoder

Rocket Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤16
  • Latency operand 4 → 7: 16
  • Latency operand 5 → 6: ≤16
  • Latency operand 5 → 7: 16
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+3*p015+1*p06+1*p1+1*p5

Tiger Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤16
  • Latency operand 4 → 7: 16
  • Latency operand 5 → 6: ≤16
  • Latency operand 5 → 7: 16
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+3*p015+1*p06+1*p1+1*p5

Ice Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤16
  • Latency operand 4 → 7: 16
  • Latency operand 5 → 6: ≤16
  • Latency operand 5 → 7: 16
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+3*p015+1*p06+1*p1+1*p5

Cascade Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤13
  • Latency operand 4 → 6: ≤17
  • Latency operand 4 → 7: 17
  • Latency operand 5 → 6: ≤17
  • Latency operand 5 → 7: 17
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5

Cannon Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤16
  • Latency operand 4 → 7: 16
  • Latency operand 5 → 6: ≤16
  • Latency operand 5 → 7: 16
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+3*p015+1*p06+1*p1+1*p5

Skylake-X

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤13
  • Latency operand 4 → 6: ≤17
  • Latency operand 4 → 7: 17
  • Latency operand 5 → 6: ≤17
  • Latency operand 5 → 7: 17
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 4.05
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 3.47
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5

Coffee Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤13
  • Latency operand 4 → 6: ≤17
  • Latency operand 4 → 7: 17
  • Latency operand 5 → 6: ≤17
  • Latency operand 5 → 7: 17
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5

Kaby Lake

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤13
  • Latency operand 4 → 6: ≤17
  • Latency operand 4 → 7: 17
  • Latency operand 5 → 6: ≤17
  • Latency operand 5 → 7: 17
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5

Skylake

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤12
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤13
  • Latency operand 4 → 6: ≤17
  • Latency operand 4 → 7: 17
  • Latency operand 5 → 6: ≤17
  • Latency operand 5 → 7: 17
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 4.05
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 3.47
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5

Broadwell

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤11
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤11
  • Latency operand 4 → 6: ≤15
  • Latency operand 4 → 7: 15
  • Latency operand 5 → 6: ≤15
  • Latency operand 5 → 7: 15
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5
• IACA 2.2
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 4.00 (with the -no_interiteration flag: 4.00)
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 4.05
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 3.55
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5

Haswell

• Measurements
• Latencies
  • Latency operand 1 → 6: 11
  • Latency operand 1 → 7: ≤11
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤11
  • Latency operand 4 → 6: ≤15
  • Latency operand 4 → 7: 15
  • Latency operand 5 → 6: ≤15
  • Latency operand 5 → 7: 15
• Throughput
  • Computed from the port usage: 4.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p06+1*p1+4*p5
• IACA 2.2
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 4.00 (with the -no_interiteration flag: 4.00)
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 4.05
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 4.00
  • IACA: 3.57
• Number of μops: 9
• Port usage: 4*p0+1*p015+1*p0156+3*p5

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤11
  • Latency operand 2 → 6: 13
  • Latency operand 2 → 7: ≤14
  • Latency operand 4 → 6: ≤19
  • Latency operand 4 → 7: 20
  • Latency operand 5 → 6: ≤19
  • Latency operand 5 → 7: 20
• Throughput
  • Computed from the port usage: 3.50
  • Measured (loop): 4.00
  • Measured (unrolled): 4.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 4
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p05+1*p1+3*p5

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 6: 10
  • Latency operand 1 → 7: ≤11
  • Latency operand 2 → 6: 13
  • Latency operand 2 → 7: ≤14
  • Latency operand 4 → 6: ≤19
  • Latency operand 4 → 7: 20
  • Latency operand 5 → 6: ≤19
  • Latency operand 5 → 7: 20
• Throughput
  • Computed from the port usage: 3.50
  • Measured (loop): 4.00
  • Measured (unrolled): 4.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 4
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 3*p0+1*p05+1*p1+3*p5

Westmere

• Measurements
• Latencies
  • Latency operand 1 → 6: 7
  • Latency operand 1 → 7: ≤9
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤14
  • Latency operand 4 → 7: 14
  • Latency operand 5 → 6: ≤14
  • Latency operand 5 → 7: 14
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Microcode Sequencer (MS): 31
  • Requires the complex decoder
• Port usage: 5*p015+1*p05+3*p1

Nehalem

• Measurements
• Latencies
  • Latency operand 1 → 6: 7
  • Latency operand 1 → 7: ≤9
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤12
  • Latency operand 4 → 6: ≤14
  • Latency operand 4 → 7: 14
  • Latency operand 5 → 6: ≤14
  • Latency operand 5 → 7: 14
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 9
  • Retire slots: 9
  • Microcode Sequencer (MS): 25
  • Requires the complex decoder
• Port usage: 5*p015+1*p05+3*p1

Tremont

• Measurements
• Latencies
  • Latency operand 1 → 6: 7
  • Latency operand 1 → 7: ≤17
  • Latency operand 2 → 6: 8
  • Latency operand 2 → 7: ≤18
  • Latency operand 4 → 6: ≤18
  • Latency operand 4 → 7: 19
  • Latency operand 5 → 6: ≤19
  • Latency operand 5 → 7: 20
• Throughput
  • Measured (loop): 9.02
  • Measured (unrolled): 9.00
• Number of μops
  • Executed: 11
  • Microcode Sequencer (MS): 10
  • Requires the complex decoder

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 1 → 6: 17
  • Latency operand 1 → 7: ≤29
  • Latency operand 2 → 6: 11
  • Latency operand 2 → 7: ≤24
  • Latency operand 4 → 6: ≤26
  • Latency operand 4 → 7: 31
  • Latency operand 5 → 6: ≤25
  • Latency operand 5 → 7: 30
• Throughput
  • Measured (loop): 12.00
  • Measured (unrolled): 12.00
• Number of μops
  • Executed: 10
  • Microcode Sequencer (MS): 10
  • Requires the complex decoder

Goldmont

• Measurements
• Latencies
  • Latency operand 1 → 6: 15
  • Latency operand 1 → 7: ≤28
  • Latency operand 2 → 6: 12
  • Latency operand 2 → 7: ≤23
  • Latency operand 4 → 6: ≤25
  • Latency operand 4 → 7: 30
  • Latency operand 5 → 6: ≤24
  • Latency operand 5 → 7: 29
• Throughput
  • Measured (loop): 14.00
  • Measured (unrolled): 14.00
• Number of μops
  • Executed: 9
  • Microcode Sequencer (MS): 9
  • Requires the complex decoder

Airmont

• Measurements
• Latencies
  • Latency operand 1 → 6: 17
  • Latency operand 1 → 7: ≤23
  • Latency operand 2 → 6: 17
  • Latency operand 2 → 7: ≤23
  • Latency operand 4 → 6: ≤22
  • Latency operand 4 → 7: 23
  • Latency operand 5 → 6: ≤21
  • Latency operand 5 → 7: 22
• Throughput
  • Measured (loop): 17.00
  • Measured (unrolled): 17.00
• Number of μops
  • Executed: 8
  • Microcode Sequencer (MS): 8
  • Requires the complex decoder

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 1 → 6: 8
  • Latency operand 1 → 7: ≤11
  • Latency operand 2 → 6: 7
  • Latency operand 2 → 7: ≤11
  • Latency operand 4 → 6: ≤16
  • Latency operand 4 → 7: 15
  • Latency operand 5 → 6: ≤14
  • Latency operand 5 → 7: 13
• Throughput
  • Computed from the port usage: 1.50
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Port usage: 2*FP01+1*FP0123+1*FP1+1*FP45

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 1 → 6: 6
  • Latency operand 1 → 7: ≤10
  • Latency operand 2 → 6: 6
  • Latency operand 2 → 7: ≤10
  • Latency operand 4 → 6: ≤13
  • Latency operand 4 → 7: 13
  • Latency operand 5 → 6: ≤12
  • Latency operand 5 → 7: 12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Port usage: 3*FP0123+1*FP1+1*FP45
• Documentation
• Latency: 4
• Throughput: 3.00
• Number of μops: ucode

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 1 → 6: 8
  • Latency operand 1 → 7: ≤10
  • Latency operand 2 → 6: 7
  • Latency operand 2 → 7: ≤10
  • Latency operand 4 → 6: ≤14
  • Latency operand 4 → 7: 13
  • Latency operand 5 → 6: ≤13
  • Latency operand 5 → 7: 12
• Throughput
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Documentation
• Latency: 4
• Throughput: 3.00
• Number of μops: ucode

AMD Zen+

• Measurements
• Latencies
  • Latency operand 1 → 6: 7
  • Latency operand 1 → 7: ≤10
  • Latency operand 2 → 6: 7
  • Latency operand 2 → 7: ≤10
  • Latency operand 4 → 6: ≤14
  • Latency operand 4 → 7: 13
  • Latency operand 5 → 6: ≤13
  • Latency operand 5 → 7: 12
• Throughput
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Documentation
• Latency: 4
• Throughput: 3.00
• Number of μops: ucode