Implementation notes: amd64, spawn, crypto_aead/pi32cipher256v2

Computer: spawn
Microarchitecture: amd64; Zen 3 (a20f10)
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20231215
Operation: crypto_aead
Primitive: pi32cipher256v2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
40441	21806 8 0	39269 792 928	`T:goptv`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
42920	18449 8 0	33997 792 928	`T:goptv`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
43290	16885 8 0	31676 784 928	`T:goptv`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
85914	8520 8 0	22184 768 896	`T:goptv`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
168720	7295 8 0	22829 792 928	`T:ref3`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
177119	5578 8 0	20380 784 928	`T:ref3`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
186369	5044 8 0	18608 768 896	`T:ref3`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
221667	8900 8 0	26325 792 928	`T:ref3`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
481814	6265 8 0	21084 784 928	`T:ref2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
489436	7383 8 0	22949 792 928	`T:ref2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
498464	5562 8 0	19152 768 896	`T:ref2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215

Test failure

Implementation: T:optimized_nonSSE
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111
crypto_aead_encrypt returns more than crypto_aead_ABYTES extra bytes

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:optimized_nonSSE
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:optimized_nonSSE
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:optimized_nonSSE
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:optimized_nonSSE
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref

Compiler output

Implementation: T:goptv
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

pi-cipher.c: pi-cipher.c: In function 'pi32_init':
pi-cipher.c: pi-cipher.c:842:5: warning: 'pi' accessing 64 bytes in a region of size 16 [-Wstringop-overflow=]
pi-cipher.c: 842 | pi(ctx->cis);
pi-cipher.c: | ^~~~~~~~~~~~
pi-cipher.c: pi-cipher.c:842:5: note: referencing argument 1 of type 'word_t (*)[4]' {aka 'unsigned int (*)[4]'}
pi-cipher.c: pi-cipher.c:649:13: note: in a call to function 'pi'
pi-cipher.c: 649 | static void pi(
pi-cipher.c: | ^~

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

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:goptv

Compiler output

Implementation: T:ref2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

pi-cipher.c: In function 'mu',
pi-cipher.c: inlined from 'ast' at pi-cipher.c:257:5:
pi-cipher.c: pi-cipher.c:226:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c: 226 | phi(t, x, mu_const, mu_v_const, mu_rot_const);
pi-cipher.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'ast':
pi-cipher.c: pi-cipher.c:226:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c: 175 | static void phi(
pi-cipher.c: | ^~~
pi-cipher.c: In function 'ny',
pi-cipher.c: inlined from 'ast' at pi-cipher.c:258:5:
pi-cipher.c: pi-cipher.c:237:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c: 237 | phi(dest, x, ny_const, ny_v_const, ny_rot_const);
pi-cipher.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'ast':
pi-cipher.c: pi-cipher.c:237:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c: 175 | static void phi(
pi-cipher.c: | ^~~

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref2

Compiler output

Implementation: T:ref2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

pi-cipher.c: In function 'mu',
pi-cipher.c: inlined from 'ast' at pi-cipher.c:257:5,
pi-cipher.c: inlined from 'e1' at pi-cipher.c:271:9,
pi-cipher.c: inlined from 'pi' at pi-cipher.c:305:9:
pi-cipher.c: pi-cipher.c:226:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c: 226 | phi(t, x, mu_const, mu_v_const, mu_rot_const);
pi-cipher.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'pi':
pi-cipher.c: pi-cipher.c:226:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c: 175 | static void phi(
pi-cipher.c: | ^~~
pi-cipher.c: In function 'ny',
pi-cipher.c: inlined from 'ast' at pi-cipher.c:258:5,
pi-cipher.c: inlined from 'e1' at pi-cipher.c:271:9,
pi-cipher.c: inlined from 'pi' at pi-cipher.c:305:9:
pi-cipher.c: pi-cipher.c:237:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c: 237 | phi(dest, x, ny_const, ny_v_const, ny_rot_const);
pi-cipher.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'pi':
pi-cipher.c: pi-cipher.c:237:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c: 175 | static void phi(
pi-cipher.c: | ^~~
pi-cipher.c: In function 'mu',
pi-cipher.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref2