Implementation notes: amd64, whosthere, crypto_kem/sntrup4591761

Computer: whosthere
Microarchitecture: amd64; KabyLake (806e9)
Architecture: amd64
CPU ID: GenuineIntel-000806e9-bfebfbff
SUPERCOP version: 20221122
Operation: crypto_kem
Primitive: sntrup4591761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
129661	41452 0 0	76768 788 1752	`T:avx`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
130250	41452 0 0	74808 788 1752	`T:avx`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
132916	41452 0 0	73208 780 1720	`T:avx`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
133343	41479 0 0	74320 788 1752	`T:avx`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
42704767	20666 0 0	57032 820 1720	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221020	20221005
42719146	8428 0 0	43466 796 1752	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
42726981	37188 0 0	72818 796 1752	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
42828495	7549 0 0	41438 812 1720	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221020	20221005
42929489	7764 0 0	42216 788 1752	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
43852495	20244 0 0	57304 820 1720	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221020	20221005
43854517	24451 0 0	61664 820 1720	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221020	20221005
44416242	6042 0 0	39554 788 1720	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221020	20221005
60717309	7750 0 0	42206 812 1720	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221020	20221005

Compiler output

Implementation: T:avx
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

crypto_kem_sntrup4591761_cavx_mult.S: crypto_kem_sntrup4591761_cavx_mult.S:2703:2: error: changed section flags for .rodata.cst32, expected: 0x12
crypto_kem_sntrup4591761_cavx_mult.S: .section .rodata.cst32
crypto_kem_sntrup4591761_cavx_mult.S: ^
crypto_kem_sntrup4591761_cavx_mult.S: crypto_kem_sntrup4591761_cavx_mult.S:2703:2: error: changed section entsize for .rodata.cst32, expected: 32
crypto_kem_sntrup4591761_cavx_mult.S: .section .rodata.cst32
crypto_kem_sntrup4591761_cavx_mult.S: ^
crypto_kem_sntrup4591761_cavx_mult.S: crypto_kem_sntrup4591761_cavx_mult.S:2776:2: error: changed section flags for .rodata.cst16, expected: 0x12
crypto_kem_sntrup4591761_cavx_mult.S: .section .rodata.cst16
crypto_kem_sntrup4591761_cavx_mult.S: ^
crypto_kem_sntrup4591761_cavx_mult.S: crypto_kem_sntrup4591761_cavx_mult.S:2776:2: error: changed section entsize for .rodata.cst16, expected: 16
crypto_kem_sntrup4591761_cavx_mult.S: .section .rodata.cst16
crypto_kem_sntrup4591761_cavx_mult.S: ^
crypto_kem_sntrup4591761_cavx_mult.S: crypto_kem_sntrup4591761_cavx_mult.S:2811:2: error: changed section flags for .rodata.cst32, expected: 0x12
crypto_kem_sntrup4591761_cavx_mult.S: .section .rodata.cst32
crypto_kem_sntrup4591761_cavx_mult.S: ^
crypto_kem_sntrup4591761_cavx_mult.S: crypto_kem_sntrup4591761_cavx_mult.S:2811:2: error: changed section entsize for .rodata.cst32, expected: 32
crypto_kem_sntrup4591761_cavx_mult.S: .section .rodata.cst32
crypto_kem_sntrup4591761_cavx_mult.S: ^

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx