Implementation notes: amd64, jasper, crypto_aead/lilliputaeii128v11

Computer: jasper
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_aead
Primitive: lilliputaeii128v11

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2833057	7656 0 0	24064 812 1016	`T:add_tweakeyloop`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2842832	7515 0 0	25208 812 1016	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2859404	5686 0 0	21080 812 1016	`T:add_tweakeyloop`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2867526	7672 0 0	24064 812 1016	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2880487	5702 0 0	21080 812 1016	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2909459	5482 0 0	20872 812 1016	`T:add_felicsref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2920234	7000 0 0	23408 812 1016	`T:add_felicsref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2920687	7499 0 0	25208 812 1016	`T:add_tweakeyloop`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2927625	7459 0 0	23264 780 1080	`T:add_felicsref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
2953730	6865 0 0	24568 812 1016	`T:add_felicsref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
3685442	8674 56 0	24688 836 1080	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
3730769	8786 56 0	24800 836 1080	`T:add_tweakeyloop`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
3828773	4896 0 0	19536 780 1080	`T:add_felicsref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
4635264	3588 0 0	17062 804 1016	`T:add_felicsref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
4759360	5348 56 0	20216 836 1080	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
4820585	5460 56 0	20328 836 1080	`T:add_tweakeyloop`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
5142687	4100 0 0	18319 772 1080	`T:add_felicsref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
5598469	4519 56 0	18935 828 1080	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
5818206	4593 0 0	18814 804 1016	`T:add_felicsref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
5880039	4036 56 0	17574 860 1016	`T:add_tweakeyloop`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
5910916	3939 56 0	17462 860 1016	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
6137130	3946 56 0	17171 812 1048	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
6169853	4931 56 0	19166 860 1016	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
6199891	3622 0 0	16667 756 1048	`T:add_felicsref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
6455943	4373 56 0	18783 828 1080	`T:add_tweakeyloop`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
7236597	3682 56 0	16915 812 1048	`T:add_tweakeyloop`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
7379735	4837 56 0	19078 860 1016	`T:add_tweakeyloop`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
15449314	9564 0 0	27280 812 1016	`T:add_threshold`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
15554146	7612 0 0	23024 812 1016	`T:add_threshold`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
15797746	9683 0 0	26104 812 1016	`T:add_threshold`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
15887179	10055 0 0	25920 780 1080	`T:add_threshold`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
17385181	5788 56 0	19334 860 1016	`T:add_threshold`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
17655116	7630 0 0	22352 780 1080	`T:add_threshold`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
17710089	6541 56 0	20790 860 1016	`T:add_threshold`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
18010920	6495 0 0	20751 772 1080	`T:add_threshold`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716
20464156	5960 0 0	19027 756 1048	`T:add_threshold`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240718	20240716

Compiler output

tweakey.c: In file included from tweakey.c:33:
tweakey.c: ./multiplications.h:93:13: warning: unused function '_multiply_MR' [-Wunused-function]
tweakey.c: static void _multiply_MR(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES])
tweakey.c:             ^
tweakey.c: ./multiplications.h:105:13: warning: unused function '_multiply_MR2' [-Wunused-function]
tweakey.c: static void _multiply_MR2(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES])
tweakey.c:             ^
tweakey.c: ./multiplications.h:119:13: warning: unused function '_multiply_MR3' [-Wunused-function]
tweakey.c: static void _multiply_MR3(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES])
tweakey.c:             ^
tweakey.c: 3 warnings generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:add_felicsref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

tweakey.c: In file included from tweakey.c:33:
tweakey.c: multiplications.h:119:13: warning: '_multiply_MR3' defined but not used [-Wunused-function]
tweakey.c:   119 | static void _multiply_MR3(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES])
tweakey.c:       |             ^~~~~~~~~~~~~
tweakey.c: multiplications.h:105:13: warning: '_multiply_MR2' defined but not used [-Wunused-function]
tweakey.c:   105 | static void _multiply_MR2(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES])
tweakey.c:       |             ^~~~~~~~~~~~~
tweakey.c: multiplications.h:93:13: warning: '_multiply_MR' defined but not used [-Wunused-function]
tweakey.c:    93 | static void _multiply_MR(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES])
tweakey.c:       |             ^~~~~~~~~~~~

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

Implementation	Compiler
`T:add_felicsref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_felicsref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_felicsref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_felicsref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

cipher.c: cipher.c:173:24: warning: '&' within '^' [-Wbitwise-op-parentheses]
cipher.c:         tmp0 = P[Q[y_hi&3 ^ (y_hi&8)>>1][z_hi]];
cipher.c:                    ~~~~^~ ~
cipher.c: cipher.c:173:24: note: place parentheses around the '&' expression to silence this warning
cipher.c:         tmp0 = P[Q[y_hi&3 ^ (y_hi&8)>>1][z_hi]];
cipher.c:                        ^
cipher.c:                    (     )
cipher.c: cipher.c:174:24: warning: '&' within '^' [-Wbitwise-op-parentheses]
cipher.c:         tmp1 = P[Q[z_hi&3 ^ (z_hi&8)>>1][x_hi]];
cipher.c:                    ~~~~^~ ~
cipher.c: cipher.c:174:24: note: place parentheses around the '&' expression to silence this warning
cipher.c:         tmp1 = P[Q[z_hi&3 ^ (z_hi&8)>>1][x_hi]];
cipher.c:                        ^
cipher.c:                    (     )
cipher.c: cipher.c:175:24: warning: '&' within '^' [-Wbitwise-op-parentheses]
cipher.c:         tmp2 = P[Q[x_hi&3 ^ (x_hi&8)>>1][y_hi]];
cipher.c:                    ~~~~^~ ~
cipher.c: cipher.c:175:24: note: place parentheses around the '&' expression to silence this warning
cipher.c:         tmp2 = P[Q[x_hi&3 ^ (x_hi&8)>>1][y_hi]];
cipher.c:                        ^
cipher.c:                    (     )
cipher.c: cipher.c:176:23: warning: '&' within '^' [-Wbitwise-op-parentheses]
cipher.c:         x_lo ^= Q[tmp1&3 ^ (tmp1&8)>>1][tmp2];
cipher.c:                   ~~~~^~ ~
cipher.c: cipher.c:176:23: note: place parentheses around the '&' expression to silence this warning
cipher.c: ...

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:add_threshold`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

cipher.c: cipher.c: In function '_nonlinear_layer':
cipher.c: cipher.c:173:24: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
cipher.c:   173 |         tmp0 = P[Q[y_hi&3 ^ (y_hi&8)>>1][z_hi]];
cipher.c:       |                    ~~~~^~
cipher.c: cipher.c:174:24: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
cipher.c:   174 |         tmp1 = P[Q[z_hi&3 ^ (z_hi&8)>>1][x_hi]];
cipher.c:       |                    ~~~~^~
cipher.c: cipher.c:175:24: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
cipher.c:   175 |         tmp2 = P[Q[x_hi&3 ^ (x_hi&8)>>1][y_hi]];
cipher.c:       |                    ~~~~^~
cipher.c: cipher.c:176:23: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
cipher.c:   176 |         x_lo ^= Q[tmp1&3 ^ (tmp1&8)>>1][tmp2];
cipher.c:       |                   ~~~~^~
cipher.c: cipher.c:177:23: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
cipher.c:   177 |         y_lo ^= Q[tmp2&3 ^ (tmp2&8)>>1][tmp0];
cipher.c:       |                   ~~~~^~
cipher.c: cipher.c:178:23: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
cipher.c:   178 |         z_lo ^= Q[tmp0&3 ^ (tmp0&8)>>1][tmp1];
cipher.c:       |                   ~~~~^~

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

Implementation	Compiler
`T:add_threshold`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_threshold`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_threshold`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_threshold`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Namespace violations

cipher.o lilliput_tbc_decrypt T
cipher.o lilliput_tbc_encrypt T
lilliput-ii.o lilliput_ae_decrypt T
lilliput-ii.o lilliput_ae_encrypt T
tweakey.o tweakey_state_extract T
tweakey.o tweakey_state_init T
tweakey.o tweakey_state_update T

Number of similar (implementation,compiler) pairs: 27, namely:

Implementation	Compiler
`T:add_felicsref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_felicsref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_felicsref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_felicsref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_felicsref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_tweakeyloop`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_tweakeyloop`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_tweakeyloop`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_tweakeyloop`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_tweakeyloop`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_tweakeyloop`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_tweakeyloop`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_tweakeyloop`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_tweakeyloop`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Namespace violations

cipher.o lilliput_tbc_decrypt T
cipher.o lilliput_tbc_encrypt T
lilliput-ii.o lilliput_ae_decrypt T
lilliput-ii.o lilliput_ae_encrypt T
random.o randombytes T
tweakey.o tweakey_state_extract T
tweakey.o tweakey_state_init T
tweakey.o tweakey_state_update T

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:add_threshold`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:add_threshold`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_threshold`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_threshold`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:add_threshold`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`