RCPSS (XMM, XMM)
Summary:
"Compute Reciprocal of Scalar Single-Precision Floating-Point Values"
Reference:
https://www.felixcloutier.com/x86/RCPSS.html
Extension:
SSE
Category:
SSE
ISA-Set:
SSE
CPL:
3
iform:
RCPSS_XMMss_XMMss
iclass:
RCPSS
ASM:
RCPSS
Operands
Operand 1 (r/w): 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)
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 → 1:
4
Latency operand 2 → 1:
4
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-E
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
6
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Rocket Lake
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
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 1 → 1:
4
Latency operand 2 → 1:
4
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 1 → 1:
4
Latency operand 2 → 1:
4
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 1 → 1:
4
Latency operand 2 → 1:
4
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 1 → 1:
4
Latency operand 2 → 1:
4
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 1 → 1:
4
Latency operand 2 → 1:
4
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
Coffee Lake
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
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
Kaby Lake
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
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
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
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
Broadwell
Measurements
Latencies
Latency operand 1 → 1:
5
Latency operand 2 → 1:
5
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 2.2
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
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:
0.99
Number of μops:
1
Port usage:
1*p0
Haswell
Measurements
Latencies
Latency operand 1 → 1:
5
Latency operand 2 → 1:
5
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 2.1
Latency:
5
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p0
IACA 2.2
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
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
Ivy Bridge
Measurements
Latencies
Latency operand 1 → 1:
5
Latency operand 2 → 1:
5
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 2.1
Latency:
5
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p0
IACA 2.2
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
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
Sandy Bridge
Measurements
Latencies
Latency operand 1 → 1:
5
Latency operand 2 → 1:
5
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 2.1
Latency:
5
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p0
IACA 2.2
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
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
Westmere
Measurements
Latencies
Latency operand 1 → 1:
3
Latency operand 2 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 1
Retire slots: 1
Microcode Sequencer (MS): 0
Port usage:
1*p1
IACA 2.1
Latency:
3
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p1
IACA 2.2
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p1
Nehalem
Measurements
Latencies
Latency operand 1 → 1:
3
Latency operand 2 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 1
Retire slots: 1
Microcode Sequencer (MS): 0
Port usage:
1*p1
IACA 2.1
Latency:
3
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p1
IACA 2.2
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
1
Port usage:
1*p1
Wolfdale
Measurements
Latencies
Latency operand 1 → 1:
3
Latency operand 2 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 1
Port usage:
1*p1
Conroe
Measurements
Latencies
Latency operand 1 → 1:
3
Latency operand 2 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 1
Port usage:
1*p1
Tremont
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
6
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Goldmont Plus
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
6
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Goldmont
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Airmont
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Bonnell
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
AMD Zen 4
Measurements
Latencies
Latency operand 1 → 1:
4
Latency operand 2 → 1:
4
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
AMD Zen 3
Measurements
Latencies
Latency operand 1 → 1:
3
Latency operand 2 → 1:
3
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: 3
Throughput: 0.50
Number of μops: 1
Port usage: FP0/1
AMD Zen 2
Measurements
Latencies
Latency operand 1 → 1:
5
Latency operand 2 → 1:
5
Throughput
Computed from the port usage: 0.50
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Port usage:
1*FP01
Documentation
Latency: 5
Throughput: 1.00
Number of μops: 1
Port usage: FP0/1
AMD Zen+
Measurements
Latencies
Latency operand 1 → 1:
5
Latency operand 2 → 1:
5
Throughput
Computed from the port usage: 0.50
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 1
Port usage:
1*FP01
Documentation
Latency: 5
Throughput: 1.00
Number of μops: 1
Port usage: FP0/1