Implementation notes: amd64, spawn, crypto_sign/dilithium2

Computer: spawn
Microarchitecture: amd64; Zen 3 (a20f10)
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20231215
Operation: crypto_sign
Primitive: dilithium2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1232433	54202 0 0	76470 784 1632	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
1288895	21829 0 0	42222 784 1632	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
1321603	20191 0 0	39934 784 1632	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215
1436155	18682 0 0	37334 776 1600	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231217	20231215

Compiler output

Implementation: avx2
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

poly.c: poly.c: In function 'crypto_sign_dilithium2_avx2_constbranchindex_poly_uniform_eta_4x':
poly.c: <command-line>: warning: 'crypto_sign_dilithium2_avx2_constbranchindex_rej_eta_avx' reading 840 bytes from a region of size 768 [-Wstringop-overread]
poly.c: <command-line>: note: in definition of macro 'CRYPTO_NAMESPACE'
poly.c: rejsample.h:24:21: note: in expansion of macro 'DILITHIUM_NAMESPACE'
poly.c: 24 | #define rej_eta_avx DILITHIUM_NAMESPACE(rej_eta_avx)
poly.c: | ^~~~~~~~~~~~~~~~~~~
poly.c: poly.c:594:10: note: in expansion of macro 'rej_eta_avx'
poly.c: 594 | ctr0 = rej_eta_avx(a0->coeffs, buf[0].coeffs);
poly.c: | ^~~~~~~~~~~
poly.c: <command-line>: note: referencing argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'}
poly.c: <command-line>: note: in definition of macro 'CRYPTO_NAMESPACE'
poly.c: rejsample.h:24:21: note: in expansion of macro 'DILITHIUM_NAMESPACE'
poly.c: 24 | #define rej_eta_avx DILITHIUM_NAMESPACE(rej_eta_avx)
poly.c: | ^~~~~~~~~~~~~~~~~~~
poly.c: poly.c:594:10: note: in expansion of macro 'rej_eta_avx'
poly.c: 594 | ctr0 = rej_eta_avx(a0->coeffs, buf[0].coeffs);
poly.c: | ^~~~~~~~~~~
poly.c: <command-line>: note: in a call to function 'crypto_sign_dilithium2_avx2_constbranchindex_rej_eta_avx'
poly.c: <command-line>: note: in definition of macro 'CRYPTO_NAMESPACE'
poly.c: rejsample.h:24:21: note: in expansion of macro 'DILITHIUM_NAMESPACE'
poly.c: 24 | #define rej_eta_avx DILITHIUM_NAMESPACE(rej_eta_avx)
poly.c: | ^~~~~~~~~~~~~~~~~~~
poly.c: rejsample.h:25:14: note: in expansion of macro 'rej_eta_avx'
poly.c: 25 | unsigned int rej_eta_avx(int32_t *r, const uint8_t buf[REJ_UNIFORM_BUFLEN]);
poly.c: | ^~~~~~~~~~~
poly.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2