- (ABM) ISA
introducing the
POPCNT instruction as part of the SSE4a
extensions in 2007.
Intel Core
processors introduced a
POPCNT instruction with the SSE4...
- SSE4.2 and
POPCNT supported)
Goldmont processors (SSE4.1, SSE4.2 and
POPCNT supported)
Goldmont Plus
processors (SSE4.1, SSE4.2 and
POPCNT supported)...
-
introduces modified system requirements: A x86-64-v2 CPU
supporting SSE4.2 and
POPCNT CPU
instructions is now required,
otherwise the
Windows kernel is unbootable...
-
considers POPCNT as part of SSE4.2 and
LZCNT as part of BMI1, both
Intel and AMD
advertise the
presence of
these two
instructions individually.
POPCNT has a...
- architecture,
excluding Intel-specific
instructions LAHF-SAHF lahf
POPCNT popcnt SSE3
addsubpd SSE4_1
blendpd SSE4_2
pcmpestri SSSE3
pshufb x86-64-v3...
-
while POPCNT has its own
separate CPUID feature bit. However, all
known processors that
implement the "ABM"/"LZCNT"
extensions also
implement POPCNT and...
- enhancement,
adding a dot
product instruction,
additional integer instructions, a
popcnt instruction (Po****tion count:
count number of bits set to 1, used extensively...
- CLMUL, AES, BMI1,
MOVBE (Move Big-Endian instruction), XSAVE/XSAVEOPT, ABM (
POPCNT/LZCNT), and AMD-V. Over 10%
increase in
clock frequency Over 15% improvement...
-
identifiers (VPIDs), and non-maskable interrupt-window exiting. SSE4.2 and
POPCNT instructions. Macro-op
fusion now
works in 64-bit mode. 20 to 24 pipeline...
- CLMUL, AES, BMI1,
MOVBE (Move Big-Endian instruction), XSAVE/XSAVEOPT, ABM (
POPCNT/LZCNT), and AMD-V. 19% CPU core
leakage reduction at 1.2V 38% GPU leakage...
