VDIVPH (ZMM, ZMM, ZMM)
Summary:
"Divide Packed FP16 Values"
Reference:
https://www.felixcloutier.com/x86/vdivph
Extension:
AVX512EVEX
Category:
FP16
ISA-Set:
AVX512_FP16_512
CPL:
3
iform:
VDIVPH_ZMMf16_MASKmskw_ZMMf16_ZMMf16_AVX512
iclass:
VDIVPH
ASM:
VDIVPH
Operands
Operand 1 (w): Register (ZMM0, ZMM1, ZMM2, ZMM3, ZMM4, ZMM5, ZMM6, ZMM7, ZMM8, ZMM9, ZMM10, ZMM11, ZMM12, ZMM13, ZMM14, ZMM15, ZMM16, ZMM17, ZMM18, ZMM19, ZMM20, ZMM21, ZMM22, ZMM23, ZMM24, ZMM25, ZMM26, ZMM27, ZMM28, ZMM29, ZMM30, ZMM31)
Operand 2 (r): Register (ZMM0, ZMM1, ZMM2, ZMM3, ZMM4, ZMM5, ZMM6, ZMM7, ZMM8, ZMM9, ZMM10, ZMM11, ZMM12, ZMM13, ZMM14, ZMM15, ZMM16, ZMM17, ZMM18, ZMM19, ZMM20, ZMM21, ZMM22, ZMM23, ZMM24, ZMM25, ZMM26, ZMM27, ZMM28, ZMM29, ZMM30, ZMM31)
Operand 3 (r): Register (ZMM0, ZMM1, ZMM2, ZMM3, ZMM4, ZMM5, ZMM6, ZMM7, ZMM8, ZMM9, ZMM10, ZMM11, ZMM12, ZMM13, ZMM14, ZMM15, ZMM16, ZMM17, ZMM18, ZMM19, ZMM20, ZMM21, ZMM22, ZMM23, ZMM24, ZMM25, ZMM26, ZMM27, ZMM28, ZMM29, ZMM30, ZMM31)
Available performance data
Emerald Rapids
Alder Lake-P
Emerald Rapids
Measurements
Latencies
Latency operand 2 → 1:
≤41
Latency operand 3 → 1:
≤41
Throughput
Computed from the port usage: 4.00
Measured (loop):
32.00
Measured (unrolled):
32.00
Number of μops
Executed: 6
Retire slots: 6
Decoded (MITE): 4
Microcode Sequencer (MS): 2
Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
Port usage:
4*p0+1*p06+1*p5
Alder Lake-P
Measurements
Latencies
Latency operand 2 → 1:
≤41
Latency operand 3 → 1:
≤41
Throughput
Computed from the port usage: 4.00
Measured (loop):
32.00
Measured (unrolled):
32.00
Number of μops
Executed: 6
Retire slots: 6
Decoded (MITE): 4
Microcode Sequencer (MS): 2
Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
Port usage:
4*p0+1*p06+1*p5