DIV (R64)

Operands

• Operand 1 (r): Register (RAX, RCX, RDX, RBX, RSP, RBP, RSI, RDI, R8, R9, R10, R11, R12, R13, R14, R15)
• Operand 2 (r/w, suppressed): Register (RAX)
• Operand 3 (r/w, suppressed): Register (RDX)
• Operand 4 (w, suppressed): Flags (AF: undef, CF: undef, OF: undef, 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: 14
  • Latency operand 1 → 3: 18
  • Latency operand 2 → 2: 14
  • Latency operand 2 → 3: 18
  • Latency operand 3 → 2: 18
  • Latency operand 3 → 3: 18
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 10.00
  • Measured (unrolled): 10.00
• Number of μops
  • Executed: 3
  • Retire slots: 5
  • Decoded (MITE): 5
  • Microcode Sequencer (MS): 0
• Port usage: 3*p1

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 1 → 2: 12 ≤ lat ≤ 43
  • Latency operand 1 → 3: 13 ≤ lat ≤ 44
  • Latency operand 2 → 2: 11 ≤ lat ≤ 42
  • Latency operand 2 → 3: 12 ≤ lat ≤ 43
  • Latency operand 3 → 2: 11 ≤ lat ≤ 42
  • Latency operand 3 → 3: 11 ≤ lat ≤ 42
• Throughput
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 4
  • Microcode Sequencer (MS): 3

Rocket Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 14
  • Latency operand 1 → 3: 18
  • Latency operand 2 → 2: 14
  • Latency operand 2 → 3: 18
  • Latency operand 3 → 2: 18
  • Latency operand 3 → 3: 18
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 10.00
  • Measured (unrolled): 10.00
• Number of μops
  • Executed: 4
  • Retire slots: 4
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156+3*p1

Tiger Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 14
  • Latency operand 1 → 3: 18
  • Latency operand 2 → 2: 14
  • Latency operand 2 → 3: 18
  • Latency operand 3 → 2: 18
  • Latency operand 3 → 3: 18
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 10.00
  • Measured (unrolled): 10.00
• Number of μops
  • Executed: 4
  • Retire slots: 4
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156+3*p1

Ice Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 14
  • Latency operand 1 → 3: 18
  • Latency operand 2 → 2: 14
  • Latency operand 2 → 3: 18
  • Latency operand 3 → 2: 18
  • Latency operand 3 → 3: 18
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 10.00
  • Measured (unrolled): 10.03
• Number of μops
  • Executed: 4
  • Retire slots: 4
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156+3*p1

Cascade Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 35 ≤ lat ≤ 89
  • Latency operand 1 → 3: 34 ≤ lat ≤ 88
  • Latency operand 2 → 2: 32 ≤ lat ≤ 87
  • Latency operand 2 → 3: 32 ≤ lat ≤ 87
  • Latency operand 3 → 2: 6 ≤ lat ≤ 76
  • Latency operand 3 → 3: 6 ≤ lat ≤ 73
• Throughput
  • Computed from the port usage: 8.25
  • Measured (loop): 21.09
  • Measured (unrolled): 21.02
• Number of μops
  • Executed: 33
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+7*p015+5*p0156+1*p05+13*p06+1*p1+1*p15+3*p5

Cannon Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 14
  • Latency operand 1 → 3: 18
  • Latency operand 2 → 2: 14
  • Latency operand 2 → 3: 18
  • Latency operand 3 → 2: 18
  • Latency operand 3 → 3: 18
• Throughput
  • Computed from the port usage: 3.00
  • Measured (loop): 10.00
  • Measured (unrolled): 10.00
• Number of μops
  • Executed: 4
  • Retire slots: 4
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0156+3*p1

Skylake-X

• Measurements
• Latencies
  • Latency operand 1 → 2: 35 ≤ lat ≤ 89
  • Latency operand 1 → 3: 34 ≤ lat ≤ 88
  • Latency operand 2 → 2: 32 ≤ lat ≤ 87
  • Latency operand 2 → 3: 32 ≤ lat ≤ 87
  • Latency operand 3 → 2: 6 ≤ lat ≤ 76
  • Latency operand 3 → 3: 6 ≤ lat ≤ 73
• Throughput
  • Computed from the port usage: 8.25
  • Measured (loop): 21.04
  • Measured (unrolled): 21.04
• Number of μops
  • Executed: 33
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+7*p015+5*p0156+1*p05+13*p06+1*p1+1*p15+3*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 73.10
• Number of μops: 32
• Port usage: 7*p0+11*p0156+1*p05+3*p06+2*p1+8*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 72.00
• Number of μops: 32
• Port usage: 7*p0+11*p0156+1*p05+3*p06+2*p1+8*p5

Coffee Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 35 ≤ lat ≤ 89
  • Latency operand 1 → 3: 34 ≤ lat ≤ 88
  • Latency operand 2 → 2: 32 ≤ lat ≤ 87
  • Latency operand 2 → 3: 32 ≤ lat ≤ 87
  • Latency operand 3 → 2: 5 ≤ lat ≤ 75
  • Latency operand 3 → 3: 5 ≤ lat ≤ 73
• Throughput
  • Computed from the port usage: 8.25
  • Measured (loop): 21.06
  • Measured (unrolled): 21.04
• Number of μops
  • Executed: 33
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+7*p015+5*p0156+1*p05+13*p06+1*p1+1*p15+3*p5

Kaby Lake

• Measurements
• Latencies
  • Latency operand 1 → 2: 35 ≤ lat ≤ 89
  • Latency operand 1 → 3: 34 ≤ lat ≤ 88
  • Latency operand 2 → 2: 32 ≤ lat ≤ 87
  • Latency operand 2 → 3: 32 ≤ lat ≤ 87
  • Latency operand 3 → 2: 6 ≤ lat ≤ 76
  • Latency operand 3 → 3: 6 ≤ lat ≤ 73
• Throughput
  • Computed from the port usage: 8.25
  • Measured (loop): 21.06
  • Measured (unrolled): 21.02
• Number of μops
  • Executed: 33
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+8*p015+5*p0156+1*p05+13*p06+1*p1+3*p5

Skylake

• Measurements
• Latencies
  • Latency operand 1 → 2: 35 ≤ lat ≤ 89
  • Latency operand 1 → 3: 34 ≤ lat ≤ 88
  • Latency operand 2 → 2: 32 ≤ lat ≤ 87
  • Latency operand 2 → 3: 32 ≤ lat ≤ 87
  • Latency operand 3 → 2: 5 ≤ lat ≤ 76
  • Latency operand 3 → 3: 5 ≤ lat ≤ 73
• Throughput
  • Computed from the port usage: 8.25
  • Measured (loop): 21.06
  • Measured (unrolled): 21.04
• Number of μops
  • Executed: 33
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+8*p015+5*p0156+1*p05+13*p06+1*p1+3*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 73.10
• Number of μops: 32
• Port usage: 7*p0+11*p0156+1*p05+3*p06+2*p1+8*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 72.00
• Number of μops: 32
• Port usage: 7*p0+11*p0156+1*p05+3*p06+2*p1+8*p5

Broadwell

• Measurements
• Latencies
  • Latency operand 1 → 2: 30 ≤ lat ≤ 92
  • Latency operand 1 → 3: 30 ≤ lat ≤ 91
  • Latency operand 2 → 2: 30 ≤ lat ≤ 92
  • Latency operand 2 → 3: 31 ≤ lat ≤ 92
  • Latency operand 3 → 2: 5 ≤ lat ≤ 80
  • Latency operand 3 → 3: 5 ≤ lat ≤ 79
• Throughput
  • Computed from the port usage: 8.00
  • Measured (loop): 21.07
  • Measured (unrolled): 21.00
• Number of μops
  • Executed: 32
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+7*p015+5*p0156+12*p06+3*p1+3*p5
• IACA 2.2
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 80.00 (with the -no_interiteration flag: 69.76)
• Number of μops: 32
• Port usage: 7*p0+1*p01+9*p0156+5*p06+7*p1+3*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 76.90
• Number of μops: 32
• Port usage: 7*p0+1*p01+9*p0156+5*p06+7*p1+3*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 75.79
• Number of μops: 32
• Port usage: 7*p0+1*p01+11*p0156+3*p06+7*p1+3*p5

Haswell

• Measurements
• Latencies
  • Latency operand 1 → 2: 31 ≤ lat ≤ 94
  • Latency operand 1 → 3: 30 ≤ lat ≤ 92
  • Latency operand 2 → 2: 30 ≤ lat ≤ 93
  • Latency operand 2 → 3: 30 ≤ lat ≤ 94
  • Latency operand 3 → 2: 5 ≤ lat ≤ 82
  • Latency operand 3 → 3: 5 ≤ lat ≤ 81
• Throughput
  • Computed from the port usage: 8.00
  • Measured (loop): 21.07
  • Measured (unrolled): 21.00
• Number of μops
  • Executed: 32
  • Retire slots: 36
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 32
• Port usage: 2*p0+8*p015+4*p0156+12*p06+3*p1+3*p5
• IACA 2.2
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 98.00 (with the -no_interiteration flag: 85.19)
• Number of μops: 32
• Port usage: 7*p0+1*p01+10*p0156+4*p06+7*p1+3*p5
• IACA 2.3
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 94.05
• Number of μops: 32
• Port usage: 7*p0+1*p01+10*p0156+4*p06+7*p1+3*p5
• IACA 3.0
• Throughput
  • Computed from the port usage: 8.00
  • IACA: 92.84
• Number of μops: 32
• Port usage: 7*p0+1*p01+11*p0156+3*p06+7*p1+3*p5

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 2: 31 ≤ lat ≤ 91
  • Latency operand 1 → 3: 30 ≤ lat ≤ 88
  • Latency operand 2 → 2: 28 ≤ lat ≤ 89
  • Latency operand 2 → 3: 28 ≤ lat ≤ 89
  • Latency operand 3 → 2: 6 ≤ lat ≤ 79
  • Latency operand 3 → 3: 6 ≤ lat ≤ 78
• Throughput
  • Computed from the port usage: 11.00
  • Measured (loop): 22.10
  • Measured (unrolled): 22.40
• Number of μops
  • Executed: 32
  • Retire slots: 35
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 31
• Port usage: 2*p0+3*p01+11*p015+2*p05+3*p1+11*p5

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 2: 30 ≤ lat ≤ 91
  • Latency operand 1 → 3: 29 ≤ lat ≤ 90
  • Latency operand 2 → 2: 28 ≤ lat ≤ 89
  • Latency operand 2 → 3: 28 ≤ lat ≤ 89
  • Latency operand 3 → 2: 6 ≤ lat ≤ 78
  • Latency operand 3 → 3: 6 ≤ lat ≤ 78
• Throughput
  • Computed from the port usage: 11.00
  • Measured (loop): 22.10
  • Measured (unrolled): 22.64
• Number of μops
  • Executed: 32
  • Retire slots: 34
  • Decoded (MITE): 4
  • Microcode Sequencer (MS): 30
• Port usage: 2*p0+3*p01+11*p015+2*p05+3*p1+11*p5

Westmere

• Measurements
• Latencies
  • Latency operand 1 → 2: 28 ≤ lat ≤ 88
  • Latency operand 1 → 3: 26 ≤ lat ≤ 88
  • Latency operand 2 → 2: 28 ≤ lat ≤ 86
  • Latency operand 2 → 3: 28 ≤ lat ≤ 87
  • Latency operand 3 → 2: 10 ≤ lat ≤ 81
  • Latency operand 3 → 3: 9 ≤ lat ≤ 79
• Throughput
  • Computed from the port usage: 10.67
  • Measured (loop): 23.05
  • Measured (unrolled): 23.02
• Number of μops
  • Executed: 32
  • Retire slots: 32
  • Microcode Sequencer (MS): 98
• Port usage: 1*p0+14*p015+7*p05+3*p1+7*p5

Nehalem

• Measurements
• Latencies
  • Latency operand 1 → 2: 30 ≤ lat ≤ 90
  • Latency operand 1 → 3: 26 ≤ lat ≤ 90
  • Latency operand 2 → 2: 29 ≤ lat ≤ 87
  • Latency operand 2 → 3: 29 ≤ lat ≤ 90
  • Latency operand 3 → 2: 10 ≤ lat ≤ 79
  • Latency operand 3 → 3: 11 ≤ lat ≤ 78
• Throughput
  • Computed from the port usage: 9.67
  • Measured (loop): 19.20
  • Measured (unrolled): 19.17
• Number of μops
  • Executed: 29
  • Retire slots: 29
  • Microcode Sequencer (MS): 85
• Port usage: 1*p0+14*p015+4*p05+3*p1+7*p5

Wolfdale

• Measurements
• Latencies
  • Latency operand 1 → 2: 29 ≤ lat ≤ 68
  • Latency operand 1 → 3: 28 ≤ lat ≤ 67
  • Latency operand 2 → 2: 29 ≤ lat ≤ 66
  • Latency operand 2 → 3: 28 ≤ lat ≤ 67
  • Latency operand 3 → 2: 13 ≤ lat ≤ 61
  • Latency operand 3 → 3: 10 ≤ lat ≤ 66
• Throughput
  • Computed from the port usage: 10.67
  • Measured (loop): 17.67
  • Measured (unrolled): 17.65
• Number of μops
  • Executed: 32
• Port usage: 2*p0+9*p015+3*p05+8*p1+10*p5

Conroe

• Measurements
• Latencies
  • Latency operand 1 → 2: 32 ≤ lat ≤ 119
  • Latency operand 1 → 3: 31 ≤ lat ≤ 119
  • Latency operand 2 → 2: 33 ≤ lat ≤ 121
  • Latency operand 2 → 3: 32 ≤ lat ≤ 120
  • Latency operand 3 → 2: 15 ≤ lat ≤ 102
  • Latency operand 3 → 3: 14 ≤ lat ≤ 102
• Throughput
  • Computed from the port usage: 11.33
  • Measured (loop): 17.69
  • Measured (unrolled): 17.71
• Number of μops
  • Executed: 34
• Port usage: 2*p0+8*p015+8*p05+10*p1+6*p5

Tremont

• Measurements
• Latencies
  • Latency operand 1 → 2: 11 ≤ lat ≤ 42
  • Latency operand 1 → 3: 12 ≤ lat ≤ 43
  • Latency operand 2 → 2: 11 ≤ lat ≤ 42
  • Latency operand 2 → 3: 12 ≤ lat ≤ 43
  • Latency operand 3 → 2: 11 ≤ lat ≤ 42
  • Latency operand 3 → 3: 11 ≤ lat ≤ 42
• Throughput
  • Measured (loop): 11.00
  • Measured (unrolled): 11.00
• Number of μops
  • Executed: 5
  • Microcode Sequencer (MS): 4

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 1 → 2: 13 ≤ lat ≤ 42
  • Latency operand 1 → 3: 14 ≤ lat ≤ 43
  • Latency operand 2 → 2: 13 ≤ lat ≤ 42
  • Latency operand 2 → 3: 14 ≤ lat ≤ 43
  • Latency operand 3 → 2: 13 ≤ lat ≤ 42
  • Latency operand 3 → 3: 13 ≤ lat ≤ 42
• Throughput
  • Measured (loop): 13.00
  • Measured (unrolled): 13.00
• Number of μops
  • Executed: 4
  • Microcode Sequencer (MS): 4

Goldmont

• Measurements
• Latencies
  • Latency operand 1 → 2: 13 ≤ lat ≤ 42
  • Latency operand 1 → 3: 14 ≤ lat ≤ 43
  • Latency operand 2 → 2: 13 ≤ lat ≤ 42
  • Latency operand 2 → 3: 14 ≤ lat ≤ 43
  • Latency operand 3 → 2: 13 ≤ lat ≤ 42
  • Latency operand 3 → 3: 13 ≤ lat ≤ 42
• Throughput
  • Measured (loop): 13.00
  • Measured (unrolled): 13.00
• Number of μops
  • Executed: 4
  • Microcode Sequencer (MS): 4

Airmont

• Measurements
• Latencies
  • Latency operand 1 → 2: 35 ≤ lat ≤ 97
  • Latency operand 1 → 3: 35 ≤ lat ≤ 95
  • Latency operand 2 → 2: 34 ≤ lat ≤ 96
  • Latency operand 2 → 3: 33 ≤ lat ≤ 95
  • Latency operand 3 → 2: 31 ≤ lat ≤ 95
  • Latency operand 3 → 3: 30 ≤ lat ≤ 95
• Throughput
  • Measured (loop): 25.00
  • Measured (unrolled): 25.00
• Number of μops
  • Executed: 23
  • Microcode Sequencer (MS): 23

Bonnell

• Measurements
• Latencies
  • Latency operand 1 → 2: 70 ≤ lat ≤ 192
  • Latency operand 1 → 3: 70 ≤ lat ≤ 192
  • Latency operand 2 → 2: 70 ≤ lat ≤ 192
  • Latency operand 2 → 3: 70 ≤ lat ≤ 192
  • Latency operand 3 → 2: 70 ≤ lat ≤ 192
  • Latency operand 3 → 3: 70 ≤ lat ≤ 192
• Throughput
  • Measured (loop): 71.02
  • Measured (unrolled): 71.00
• Number of μops
  • Executed: 38
  • Microcode Sequencer (MS): 38

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 1 → 2: 9 ≤ lat ≤ 17
  • Latency operand 1 → 3: 10 ≤ lat ≤ 18
  • Latency operand 2 → 2: 9 ≤ lat ≤ 17
  • Latency operand 2 → 3: 10 ≤ lat ≤ 18
  • Latency operand 3 → 2: 11 ≤ lat ≤ 19
  • Latency operand 3 → 3: 11 ≤ lat ≤ 19
• Throughput
  • Measured (loop): 7.00
  • Measured (unrolled): 7.00
• Number of μops
  • Executed: 2

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 1 → 2: 9 ≤ lat ≤ 17
  • Latency operand 1 → 3: 10 ≤ lat ≤ 18
  • Latency operand 2 → 2: 9 ≤ lat ≤ 17
  • Latency operand 2 → 3: 10 ≤ lat ≤ 18
  • Latency operand 3 → 2: 11 ≤ lat ≤ 19
  • Latency operand 3 → 3: 11 ≤ lat ≤ 19
• Throughput
  • Measured (loop): 7.00
  • Measured (unrolled): 7.00
• Number of μops
  • Executed: 2

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 1 → 2: 8 ≤ lat ≤ 39
  • Latency operand 1 → 3: 10 ≤ lat ≤ 41
  • Latency operand 2 → 2: 8 ≤ lat ≤ 39
  • Latency operand 2 → 3: 10 ≤ lat ≤ 41
  • Latency operand 3 → 2: 10 ≤ lat ≤ 41
  • Latency operand 3 → 3: 10 ≤ lat ≤ 41
• Throughput
  • Measured (loop): 14.00
  • Measured (unrolled): 14.00
• Number of μops
  • Executed: 2

AMD Zen+

• Measurements
• Latencies
  • Latency operand 1 → 2: 8 ≤ lat ≤ 39
  • Latency operand 1 → 3: 10 ≤ lat ≤ 41
  • Latency operand 2 → 2: 8 ≤ lat ≤ 39
  • Latency operand 2 → 3: 10 ≤ lat ≤ 41
  • Latency operand 3 → 2: 10 ≤ lat ≤ 41
  • Latency operand 3 → 3: 10 ≤ lat ≤ 41
• Throughput
  • Measured (loop): 14.00
  • Measured (unrolled): 14.00
• Number of μops
  • Executed: 2
• Documentation
• Latency: 41
• Throughput: 41.00
• Number of μops: 2
• Port usage: ALU2