Implementation notes: amd64, comet, crypto_hash/simd256

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: simd256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
43039	58966 0 0	71812 780 960	`T:sphlib`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
43071	62602 0 0	76937 852 960	`T:sphlib`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
43201	62170 0 0	76209 852 928	`T:sphlib`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
44378	48564 0 0	60111 844 960	`T:sphlib`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
44838	56129 0 0	67060 780 960	`T:sphlib`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
46539	52167 0 0	65169 852 896	`T:sphlib`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
55754	50551 0 0	61233 852 896	`T:sphlib`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
56189	52601 0 0	63188 780 960	`T:sphlib`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
57196	29662 0 0	42532 780 960	`T:sphlib-small`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
57459	27641 0 0	38596 780 960	`T:sphlib-small`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
59803	31884 0 0	44937 852 896	`T:sphlib-small`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
72639	28385 0 0	39113 852 896	`T:sphlib-small`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
76109	27902 0 0	38516 780 960	`T:sphlib-small`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
87124	33768 388 0	45848 1272 896	`T:opt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
87828	68495 416 0	81551 1228 960	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
93959	25676 0 0	35183 756 928	`T:sphlib-small`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
95726	47068 0 0	61097 852 928	`T:sphlib-small`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
96691	47738 0 0	57215 756 928	`T:sphlib`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
100443	47868 0 0	62193 852 960	`T:sphlib-small`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
100746	17122 388 0	28024 1272 896	`T:opt`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
103660	27047 0 0	38535 844 960	`T:sphlib-small`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
106370	30796 388 0	45120 1272 928	`T:opt`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
106772	36611 388 0	50272 1272 960	`T:opt`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
116988	14954 416 0	25711 1228 960	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
121983	12946 416 0	22586 1204 928	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
136845	19086 416 0	30223 1228 960	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
138765	19023 388 0	30486 1264 960	`T:opt`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3077446	5638 416 0	16711 1228 960	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3175941	12490 416 0	25543 1228 960	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3206443	8800 388 0	19664 1272 896	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3223857	16183 388 0	29440 1272 896	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3238328	5250 388 0	16838 1264 960	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3247786	5194 416 0	15887 1228 960	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3259768	28072 388 0	42960 1272 960	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
3263675	17624 388 0	32224 1272 928	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
7279962	4573 416 0	14154 1204 928	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625

Checksum failure

97ecbf92588d446b3b5894d7cf8ba5cae01b1c22273b8ea1408e0ccb47fcdb96

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:vect128`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:vect128`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:vect128`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:vect128`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`

Compiler output

optimized.c: optimized.c:437:9: warning: unused variable 'j' [-Wunused-variable]
optimized.c:   int i,j;
optimized.c:         ^
optimized.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:opt`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:opt`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:opt`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:opt`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:opt`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`

Compiler output

optimized.c: optimized.c: In function 'SIMD_Compress':
optimized.c: optimized.c:437:9: warning: unused variable 'j' [-Wunused-variable]
optimized.c:   437 |   int i,j;
optimized.c:       |         ^

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:opt`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:opt`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:opt`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:opt`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`

Compiler output

reference.c: reference.c:69:82: warning: expression result unused [-Wunused-value]
reference.c:     state->A[j] = state->D[j] + w[j] + F(state->A[j], state->B[j], state->C[j]), s;
reference.c:                                                                                  ^
reference.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`

Compiler output

vector.c: vector.c:73:9: warning: 'X' macro redefined [-Wmacro-redefined]
vector.c: #define X(i) X##i
vector.c:         ^
vector.c: vector.c:68:9: note: previous definition is here
vector.c: #define X(i) A[i]
vector.c:         ^
vector.c: vector.c:129:3: error: use of unknown builtin '__builtin_ia32_pcmpgtw128' [-Wimplicit-function-declaration]
vector.c:   DO_REDUCE_FULL_S(0);
vector.c:   ^
vector.c: vector.c:56:12: note: expanded from macro 'DO_REDUCE_FULL_S'
vector.c:     X(i) = EXTRA_REDUCE_S(X(i));                \
vector.c:            ^
vector.c: vector.c:42:32: note: expanded from macro 'EXTRA_REDUCE_S'
vector.c:   v16_sub(x, v16_and(V257.v16, v16_cmp(x, V128.v16)))
vector.c:                                ^
vector.c: ./vector.h:92:22: note: expanded from macro 'v16_cmp'
vector.c: #define v16_cmp      __builtin_ia32_pcmpgtw128
vector.c:                      ^
vector.c: vector.c:129:3: error: cannot convert between scalar type 'int' and vector type 'v16' (aka 'v8hi') as implicit conversion would cause truncation
vector.c: vector.c:56:12: note: expanded from macro 'DO_REDUCE_FULL_S'
vector.c:     X(i) = EXTRA_REDUCE_S(X(i));                \
vector.c:            ^
vector.c: vector.c:42:14: note: expanded from macro 'EXTRA_REDUCE_S'
vector.c:   v16_sub(x, v16_and(V257.v16, v16_cmp(x, V128.v16)))
vector.c:              ^
vector.c: ...

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:vect128`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:vect128`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:vect128`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:vect128`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:vect128`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`

Compiler output

vector.c: vector.c: In function 'fft64':
vector.c: vector.c:73: warning: "X" redefined
vector.c:    73 | #define X(i) X##i
vector.c:       |
vector.c: vector.c:68: note: this is the location of the previous definition
vector.c:    68 | #define X(i) A[i]
vector.c:       |
vector.c: vector.c: In function 'fft128_msg_final':
vector.c: vector.c:326:7: warning: unused variable 'i' [-Wunused-variable]
vector.c:   326 |   int i;
vector.c:       |       ^
vector.c: vector.c: In function 'rounds512':
vector.c: vector.c:796: warning: "STEP_1" redefined
vector.c:   796 | #define STEP_1(a,b,c,d,w,fun,r,s,z)             \
vector.c:       |
vector.c: vector.c:542: note: this is the location of the previous definition
vector.c:   542 | #define STEP_1(a,b,c,d,w,fun,r,s,z)                             \
vector.c:       |
vector.c: vector.c:805: warning: "STEP_2" redefined
vector.c:   805 | #define STEP_2(a,b,c,d,w,fun,r,s)              \
vector.c:       |
vector.c: vector.c:566: note: this is the location of the previous definition
vector.c:   566 | #define STEP_2(a,b,c,d,w,fun,r,s)                               \
vector.c:       |
vector.c: vector.c:808: warning: "STEP" redefined
vector.c: ...

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:vect128`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:vect128`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:vect128`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:vect128`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`