Implementation notes: amd64, spawn, crypto_sign/sflashv2

Computer: spawn
Microarchitecture: amd64; Zen 3 (a20f10)
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20231215
Operation: crypto_sign
Primitive: sflashv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
16043233449 0 055907 840 1600T:refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121720231215
16564932590 0 053099 840 1600T:refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121720231215
21548831539 0 051459 840 1600T:refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121720231215
22910428869 0 047699 832 1600T:refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121720231215

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
lib_flash.c: lib_flash.c: In function 'Flash_load_public_key':
lib_flash.c: lib_flash.c:913:9: warning: ignoring return value of 'fread' declared with attribute 'warn_unused_result' [-Wunused-result]
lib_flash.c: 913 | fread(key,1,19266,in);
lib_flash.c: | ^~~~~~~~~~~~~~~~~~~~~
lib_flash.c: lib_flash.c: In function 'Flash_load_private_key':
lib_flash.c: lib_flash.c:1019:9: warning: ignoring return value of 'fread' declared with attribute 'warn_unused_result' [-Wunused-result]
lib_flash.c: 1019 | fread(key,1,2823,in);
lib_flash.c: | ^~~~~~~~~~~~~~~~~~~~

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