Implementation notes: amd64, h8bobcat, crypto_aead/isapxv20

Computer: h8bobcat
Microarchitecture: amd64; Bobcat (500f10)
Architecture: amd64
CPU ID: AuthenticAMD-00500f20-178bfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: isapxv20

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
5092940	9611 0 0	23038 832 856	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
7072754	8149 0 0	20582 832 856	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
7151049	8837 0 0	22414 832 856	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
20961446	6619 0 0	18486 832 856	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
22475385	6689 0 0	19886 784 928	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
39941235	6313 0 0	17606 816 856	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
43150577	6686 0 0	19549 776 928	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625
97409014	5546 0 0	17273 760 896	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240705	20240625

Compiler output

isap.c: isap.c: In function 'isap_rk':
isap.c: isap.c:25:9: warning: 'state' may be used uninitialized [-Wmaybe-uninitialized]
isap.c:    25 |         Permutation_Initialize(state);
isap.c:       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
isap.c: In file included from isap.c:5:
isap.c: permutation.h:4:6: note: by argument 1 of type 'const void *' to 'Permutation_Initialize' declared here
isap.c:     4 | void Permutation_Initialize(
isap.c:       |      ^~~~~~~~~~~~~~~~~~~~~~
isap.c: isap.c:24:23: note: 'state' declared here
isap.c:    24 |         unsigned char state[ISAP_STATE_SZ];
isap.c:       |                       ^~~~~
isap.c: isap.c: In function 'isap_mac':
isap.c: isap.c:59:9: warning: 'state' may be used uninitialized [-Wmaybe-uninitialized]
isap.c:    59 |         Permutation_Initialize(state);
isap.c:       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
isap.c: In file included from isap.c:5:
isap.c: permutation.h:4:6: note: by argument 1 of type 'const void *' to 'Permutation_Initialize' declared here
isap.c:     4 | void Permutation_Initialize(
isap.c:       |      ^~~~~~~~~~~~~~~~~~~~~~
isap.c: isap.c:58:23: note: 'state' declared here
isap.c:    58 |         unsigned char state[ISAP_STATE_SZ];
isap.c:       |                       ^~~~~

Number of similar (implementation,compiler) pairs: 3, 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 -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

isap.c: isap.c: In function 'isap_rk.constprop':
isap.c: isap.c:25:9: warning: 'state' may be used uninitialized [-Wmaybe-uninitialized]
isap.c:    25 |         Permutation_Initialize(state);
isap.c:       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
isap.c: In file included from isap.c:5:
isap.c: permutation.h:4:6: note: by argument 1 of type 'const void *' to 'Permutation_Initialize' declared here
isap.c:     4 | void Permutation_Initialize(
isap.c:       |      ^~~~~~~~~~~~~~~~~~~~~~
isap.c: isap.c:24:23: note: 'state' declared here
isap.c:    24 |         unsigned char state[ISAP_STATE_SZ];
isap.c:       |                       ^~~~~
isap.c: isap.c: In function 'isap_rk':
isap.c: isap.c:25:9: warning: 'state' may be used uninitialized [-Wmaybe-uninitialized]
isap.c:    25 |         Permutation_Initialize(state);
isap.c:       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
isap.c: In file included from isap.c:5:
isap.c: permutation.h:4:6: note: by argument 1 of type 'const void *' to 'Permutation_Initialize' declared here
isap.c:     4 | void Permutation_Initialize(
isap.c:       |      ^~~~~~~~~~~~~~~~~~~~~~
isap.c: isap.c:24:23: note: 'state' declared here
isap.c:    24 |         unsigned char state[ISAP_STATE_SZ];
isap.c:       |                       ^~~~~
isap.c: isap.c: In function 'isap_mac':
isap.c: isap.c:59:9: warning: 'state' may be used uninitialized [-Wmaybe-uninitialized]
isap.c:    59 |         Permutation_Initialize(state);
isap.c: ...

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

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