Implementation notes: amd64, hydra7, crypto_aead/aes128marble4rv1

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: aes128marble4rv1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
243182	48849 0 0	65579 828 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
309884	28539 0 0	44019 828 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
333883	26373 0 0	40190 804 1056	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
362021	27970 0 0	43203 828 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

aes_core.c: aes_core.c: In function 'AES_set_4round_decrypt_key':
aes_core.c: aes_core.c:892:19: warning: unused variable 'status' [-Wunused-variable]
aes_core.c:   892 |         int i, j, status;
aes_core.c:       |                   ^~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_aes128marble4rv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:34:9: warning: implicit declaration of function 'free' [-Wimplicit-function-declaration]
encrypt.c:    34 |         free(cxt);
encrypt.c:       |         ^~~~
encrypt.c: encrypt.c:5:1: note: include '<stdlib.h>' or provide a declaration of 'free'
encrypt.c:     4 | #include "marble.h"
encrypt.c:   +++ |+#include <stdlib.h>
encrypt.c:     5 |
encrypt.c: encrypt.c:34:9: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
encrypt.c:    34 |         free(cxt);
encrypt.c:       |         ^~~~
encrypt.c: encrypt.c:34:9: note: include '<stdlib.h>' or provide a declaration of 'free'
encrypt.c: encrypt.c:19:23: warning: unused variable 'tag' [-Wunused-variable]
encrypt.c:    19 |         unsigned char tag[CRYPTO_ABYTES];
encrypt.c:       |                       ^~~
encrypt.c: encrypt.c: In function 'crypto_aead_aes128marble4rv1_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:67:9: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
encrypt.c:    67 |         free(cxt);
encrypt.c:       |         ^~~~
encrypt.c: encrypt.c:67:9: note: include '<stdlib.h>' or provide a declaration of 'free'
marble.c: marble.c: In function 'ae_encrypt':
marble.c: marble.c:223:14: warning: unused variable 'temp' [-Wunused-variable]
marble.c:   223 |         byte temp[SLEN];
marble.c:       |              ^~~~
marble.c: marble.c: In function 'ae_decrypt':
marble.c: marble.c:281:14: warning: unused variable 'temp' [-Wunused-variable]
marble.c:   281 |         byte temp[SLEN];
marble.c:       |              ^~~~

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

Implementation	Compiler
`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)`