Implementation notes: aarch64, pi4b, crypto_kem/lima2p2048cca

Computer: pi4b
Microarchitecture: aarch64; Cortex-A72 (410fd083)
Architecture: aarch64
CPU ID: 410fd083
SUPERCOP version: 20240716
Operation: crypto_kem
Primitive: lima2p2048cca

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
4763030	25388 1484 591632	76034 2424 593216	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
4819902	20188 1484 591624	69746 2424 593184	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
4848338	21840 1512 591620	73519 2480 593200	`T:opt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
4947864	18464 1484 591624	67906 2424 593184	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
5296662	16194 1464 591620	64651 2408 593168	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
8146914	20196 432 591364	71831 1400 592944	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
8260658	23588 384 591376	74146 1320 592960	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
9071084	19492 384 591368	68986 1320 592928	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
9540278	15474 384 591364	63867 1328 592912	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
9582932	17660 384 591368	67058 1320 592928	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625

Compiler output

lima.c: lima.c:147:20: warning: using floating point absolute value function 'fabs' when argument is of integer type [-Wabsolute-value]
lima.c:        rhs=11*sqrt(fabs(2*N))*3.16;              // Accepting condition for LIMA_2p
lima.c:                    ^
lima.c: lima.c:147:20: note: use function 'abs' instead
lima.c:        rhs=11*sqrt(fabs(2*N))*3.16;              // Accepting condition for LIMA_2p
lima.c:                    ^~~~
lima.c:                    abs
lima.c: lima.c:155:20: warning: using floating point absolute value function 'fabs' when argument is of integer type [-Wabsolute-value]
lima.c:        rhs=11*sqrt(fabs(4*N))*3.16;              // Accepting condition for LIMA_sp
lima.c:                    ^
lima.c: lima.c:155:20: note: use function 'abs' instead
lima.c:        rhs=11*sqrt(fabs(4*N))*3.16;              // Accepting condition for LIMA_sp
lima.c:                    ^~~~
lima.c:                    abs
lima.c: 2 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:opt`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

xof.c: xof.c: In function 'KDF':
xof.c: xof.c:38:10: warning: 'empty' may be used uninitialized [-Wmaybe-uninitialized]
xof.c:    38 |   return KMAC256(k,(BitLength)(k_len<<3),empty,0,(BitSequence*) key,(BitLength)(key_len<<3),D,8);
xof.c:       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
xof.c: In file included from xof.h:11,
xof.c:                  from xof.c:1:
xof.c: .../supercop-data/pi4b/aarch64/include/libkeccak.a.headers/SP800-185.h:255:5: note: by argument 3 of type 'const BitSequence *' {aka 'const unsigned char *'} to 'KMAC256' declared here
xof.c:   255 | int KMAC256(const BitSequence *key, BitLength keyBitLen, const BitSequence *input, BitLength inputBitLen,
xof.c:       |     ^~~~~~~
xof.c: xof.c:35:20: note: 'empty' declared here
xof.c:    35 |   BitSequence D[1],empty[1];
xof.c:       |                    ^~~~~

Number of similar (implementation,compiler) pairs: 8, namely:

Implementation	Compiler
`T:opt`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

lima.c: lima.c:91:20: warning: using floating point absolute value function 'fabs' when argument is of integer type [-Wabsolute-value]
lima.c:        rhs=11*sqrt(fabs(2*N))*3.16;              // Accepting condition for LIMA_2p
lima.c:                    ^
lima.c: lima.c:91:20: note: use function 'abs' instead
lima.c:        rhs=11*sqrt(fabs(2*N))*3.16;              // Accepting condition for LIMA_2p
lima.c:                    ^~~~
lima.c:                    abs
lima.c: lima.c:91:20: note: include the header <stdlib.h> or explicitly provide a declaration for 'abs'
lima.c: lima.c:95:20: warning: using floating point absolute value function 'fabs' when argument is of integer type [-Wabsolute-value]
lima.c:      { rhs=11*sqrt(fabs(4*N))*3.16;              // Accepting condition for LIMA_sp
lima.c:                    ^
lima.c: lima.c:95:20: note: use function 'abs' instead
lima.c:      { rhs=11*sqrt(fabs(4*N))*3.16;              // Accepting condition for LIMA_sp
lima.c:                    ^~~~
lima.c:                    abs
lima.c: lima.c:95:20: note: include the header <stdlib.h> or explicitly provide a declaration for 'abs'
lima.c: 2 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`