KANDB (K, K, K)

Operands

• Operand 1 (w): Register (K0, K1, K2, K3, K4, K5, K6, K7)
• Operand 2 (r): Register (K7, K6, K5, K4, K3, K2, K1, K0)
• Operand 3 (r): Register (K0, K1, K2, K3, K4, K5, K6, K7)

Available performance data

• Emerald Rapids
• Alder Lake-P
• Rocket Lake
• Tiger Lake
• Ice Lake
• Cascade Lake
• Cannon Lake
• Skylake-X
• AMD Zen 5
• AMD Zen 4

Emerald Rapids

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Alder Lake-P

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Rocket Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Tiger Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Ice Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Cascade Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Cannon Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Skylake-X

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 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
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 1
• Port usage: 1*p0
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 0.98
• Number of μops: 1
• Port usage: 1*p0

AMD Zen 5

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
• Port usage: 1*FP03
• Documentation
• Latency: 1
• Throughput: 0.50
• Number of μops: 1
• Port usage: FP0/3

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 2 → 1: 1
  • Latency operand 3 → 1: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
• Port usage: 1*FP23
• Documentation
• Latency: 1
• Throughput: 0.50
• Number of μops: 1
• Port usage: FP2/3