Implementation notes: amd64, h8atom, crypto_kem/remblem928

Computer: h8atom
Microarchitecture: amd64; Bonnell (30661)
Architecture: amd64
CPU ID: GenuineIntel-00030661-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_kem
Primitive: remblem928

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
178872617	33149 4116 72	53446 5056 1632	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240512	20240425
179545149	30018 4116 72	50358 5056 1632	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240512	20240425
180143432	28237 4116 72	47374 5056 1632	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240512	20240425
180716081	8825 4116 72	26600 5048 1632	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240512	20240425
181541717	17501 4128 72	38311 5040 1696	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240512	20240425
182053739	12896 4116 72	31414 5056 1632	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240512	20240425
183137633	9429 4128 72	28831 5040 1696	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240512	20240425
185293731	8262 4128 72	27295 5040 1696	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240512	20240425
186550714	6882 4128 72	24623 5032 1664	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240512	20240425

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

kem.c: kem.c:366:24: warning: passing 'int *' to parameter of type 'unsigned int *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c: bytes_from_modq(pk+32,pPubKey_B,CRYPTO_R_n);
kem.c: ^~~~~~~~~
kem.c: kem.c:27:60: note: passing argument to parameter 'x' here
kem.c: static void bytes_from_modq(unsigned char *y,unsigned int *x,int xlen)
kem.c: ^
kem.c: kem.c:571:24: warning: passing 'int *' to parameter of type 'unsigned int *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c: bytes_from_modq(ct+32,C_KEM,CRYPTO_R_n + CRYPTO_R_msg);
kem.c: ^~~~~
kem.c: kem.c:27:60: note: passing argument to parameter 'x' here
kem.c: static void bytes_from_modq(unsigned char *y,unsigned int *x,int xlen)
kem.c: ^
kem.c: 2 warnings generated.

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref