Implementation notes: aarch64, gcc116, crypto_sign/sflashv2

Computer: gcc116
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20171218
Operation: crypto_sign
Primitive: sflashv2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
329472	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20171110	20171020
340768	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20171110	20171020
346464	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171110	20171020
364096	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171110	20171020
376800	? ? ?	? ? ?	`ref`	`gcc_-O3_-fomit-frame-pointer`	20171110	20171020
378208	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171110	20171020
411264	? ? ?	? ? ?	`ref`	`gcc_-O2_-fomit-frame-pointer`	20171110	20171020
448704	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171110	20171020
450208	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171110	20171020
451040	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20171110	20171020
460352	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20171110	20171020
465536	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171110	20171020
481504	? ? ?	? ? ?	`ref`	`gcc_-Os_-fomit-frame-pointer`	20171110	20171020
484832	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171110	20171020
512192	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171110	20171020
513984	? ? ?	? ? ?	`ref`	`gcc_-O_-fomit-frame-pointer`	20171110	20171020
1973088	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops`	20171110	20171020
1973184	? ? ?	? ? ?	`ref`	`cc`	20171110	20171020
1978208	? ? ?	? ? ?	`ref`	`gcc`	20171110	20171020

Compiler output

Implementation: crypto_sign/sflashv2/ref
Compiler: gcc -O2 -fomit-frame-pointer

lib_flash.c: lib_flash.c: In function 'Flash_load_public_key':
lib_flash.c: lib_flash.c:913:7: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: 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:1019:7: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,2823,in);
lib_flash.c: ^
lib_flash.c: In file included from /usr/include/string.h:640:0,
lib_flash.c: from /usr/include/memory.h:29,
lib_flash.c: from lib_flash.c:1:
lib_flash.c: In function 'memset',
lib_flash.c: inlined from 'format_message1' at lib_flash.c:726:8:
lib_flash.c: /usr/include/aarch64-linux-gnu/bits/string3.h:81:30: warning: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [enabled by default]
lib_flash.c: __warn_memset_zero_len ();
lib_flash.c: ^
lib_flash.c: In function 'memset',
lib_flash.c: inlined from 'format_message2' at lib_flash.c:783:8:
lib_flash.c: /usr/include/aarch64-linux-gnu/bits/string3.h:81:30: warning: call to '__warn_memset_zero_len' declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [enabled by default]
lib_flash.c: __warn_memset_zero_len ();
lib_flash.c: ^
try.c: crypto_sign_sflashv2.a(lib_flash.o): In function `format_message1':
try.c: lib_flash.c:(.text+0x...): warning: memset used with constant zero length parameter; this could be due to transposed parameters
try.c: crypto_sign_sflashv2.a(lib_flash.o): In function `format_message1':
try.c: lib_flash.c:(.text+0x...): warning: memset used with constant zero length parameter; this could be due to transposed parameters
measure.c: crypto_sign_sflashv2.a(lib_flash.o): In function `format_message1':
measure.c: lib_flash.c:(.text+0x...): warning: memset used with constant zero length parameter; this could be due to transposed parameters

Number of similar (compiler,implementation) pairs: 16, namely:

Compiler	Implementations
gcc -O2 -fomit-frame-pointer	ref
gcc -O3 -fomit-frame-pointer	ref
gcc -O -fomit-frame-pointer	ref
gcc -Os -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O -fomit-frame-pointer	ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer	ref
gcc -funroll-loops -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -O -fomit-frame-pointer	ref
gcc -funroll-loops -Os -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	ref