VBLENDVPS (YMM, YMM, YMM, YMM)
Summary:
"Variable Blend Packed Single Precision Floating-Point Values"
Reference:
https://www.felixcloutier.com/x86/blendvps
Extension:
AVX
Category:
AVX
ISA-Set:
AVX
CPL:
3
iform:
VBLENDVPS_YMMqq_YMMqq_YMMqq_YMMqq
iclass:
VBLENDVPS
ASM:
VBLENDVPS
Operands
Operand 1 (w): Register (YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15)
Operand 2 (r): Register (YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15)
Operand 3 (r): Register (YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15)
Operand 4 (r): Register (YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7, YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15)
Available performance data
Arrow Lake-P
Arrow Lake-E
Meteor Lake-P
Meteor Lake-E
Emerald Rapids
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
AMD Zen 5
AMD Zen 4
AMD Zen 3
AMD Zen 2
AMD Zen+
Arrow Lake-P
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
3
Throughput
Measured (loop):
0.75
Measured (unrolled):
0.95
Number of μops
Executed: 3
Retire slots: 3
Decoded (MITE): 3
Microcode Sequencer (MS): 0
Requires the complex decoder (5 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
3*UNKNOWN
Arrow Lake-E
Measurements
Latencies
Latency operand 2 → 1:
3
Latency operand 3 → 1:
3
Latency operand 4 → 1:
3
Throughput
Measured (loop):
2.05
Measured (unrolled):
2.75
Number of μops
Executed: 8
Microcode Sequencer (MS): 8
Requires the complex decoder
Meteor Lake-P
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.00
Measured (unrolled):
1.02
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:
3*p015
Meteor Lake-E
Measurements
Latencies
Latency operand 2 → 1:
6
Latency operand 3 → 1:
5
Latency operand 4 → 1:
5
Throughput
Measured (loop):
3.80
Measured (unrolled):
3.90
Number of μops
Executed: 8
Microcode Sequencer (MS): 6
Requires the complex decoder
Emerald Rapids
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
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:
3*p015
Alder Lake-P
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
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:
3*p015
Alder Lake-E
Measurements
Latencies
Latency operand 2 → 1:
5
Latency operand 3 → 1:
5
Latency operand 4 → 1:
5
Throughput
Measured (loop):
3.86
Measured (unrolled):
3.92
Number of μops
Executed: 8
Microcode Sequencer (MS): 6
Requires the complex decoder
Rocket Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Tiger Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Ice Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Documentation
Throughput: 1.0
Cascade Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Cannon Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Skylake-X
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
IACA 2.3
Throughput
Computed from the port usage: 0.67
IACA:
0.95
Number of μops:
2
Port usage:
2*p015
IACA 3.0
Throughput
Computed from the port usage: 0.67
IACA:
0.95
Number of μops:
2
Port usage:
2*p015
Coffee Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Kaby Lake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
Skylake
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p015
IACA 2.3
Throughput
Computed from the port usage: 0.67
IACA:
0.95
Number of μops:
2
Port usage:
2*p015
IACA 3.0
Throughput
Computed from the port usage: 0.67
IACA:
0.95
Number of μops:
2
Port usage:
2*p015
Broadwell
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 2.00
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p5
IACA 2.2
Throughput
Computed from the port usage: 2.00
IACA:
2.00 (with the -no_interiteration flag: 2.00)
Number of μops:
2
Port usage:
2*p5
IACA 2.3
Throughput
Computed from the port usage: 2.00
IACA:
2.00
Number of μops:
2
Port usage:
2*p5
IACA 3.0
Throughput
Computed from the port usage: 2.00
IACA:
1.90
Number of μops:
2
Port usage:
2*p5
Haswell
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 2.00
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p5
IACA 2.1
Latency:
2
Throughput
Computed from the port usage: 2.00
IACA:
2.00 (with the -no_interiteration flag: 2.00)
Number of μops:
2
Port usage:
2*p5
IACA 2.2
Throughput
Computed from the port usage: 2.00
IACA:
2.00 (with the -no_interiteration flag: 2.00)
Number of μops:
2
Port usage:
2*p5
IACA 2.3
Throughput
Computed from the port usage: 2.00
IACA:
2.00
Number of μops:
2
Port usage:
2*p5
IACA 3.0
Throughput
Computed from the port usage: 2.00
IACA:
1.90
Number of μops:
2
Port usage:
2*p5
Ivy Bridge
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p05
IACA 2.1
Latency:
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:
2*p05
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:
2*p05
IACA 2.3
Throughput
Computed from the port usage: 1.00
IACA:
1.00
Number of μops:
2
Port usage:
2*p05
Sandy Bridge
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
1
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p05
IACA 2.1
Latency:
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:
2*p05
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:
2*p05
IACA 2.3
Throughput
Computed from the port usage: 1.00
IACA:
1.00
Number of μops:
2
Port usage:
2*p05
AMD Zen 5
Measurements
Latencies
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Latency operand 4 → 1:
2
Throughput
Computed from the port usage: 0.50
Measured (loop):
0.50
Measured (unrolled):
0.50
Number of μops
Executed: 1
Port usage:
1*FP01
Documentation
Latency: 1
Throughput: 0.50
Number of μops: 1
Port usage: FP0/1
AMD Zen 4
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 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*FP01
Documentation
Latency: 1
Throughput: 0.50
Number of μops: 1
Port usage: FP0/1
AMD Zen 3
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 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*FP01
Documentation
Latency: 1
Throughput: 0.50
Number of μops: 1
Port usage: FP0/1
AMD Zen 2
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 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*FP01
Documentation
Latency: 1
Throughput: 0.50
Number of μops: 1
Port usage: FP0/1
AMD Zen+
Measurements
Latencies
Latency operand 2 → 1:
1
Latency operand 3 → 1:
1
Latency operand 4 → 1:
1
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 2
Documentation
Latency: 1
Throughput: 1.00
Number of μops: 2
Port usage: FP0/1