Implementation notes: amd64, hertz, crypto_kem/sntrup4591761

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240808
Operation: crypto_kem
Primitive: sntrup4591761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
94931	83055 0 0	124704 852 1832	`cavx`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
95462	51642 0 0	89114 844 1832	`cavx`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
95569	43344 0 0	85464 852 1832	`avx`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
95813	43344 0 0	79274 844 1832	`avx`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
95859	43675 0 0	79402 844 1800	`avx`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
95874	43344 0 0	85352 852 1832	`avx`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
95875	82589 0 0	124120 852 1832	`cavx`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
96269	43675 0 0	81410 844 1832	`avx`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
99131	43675 0 0	77913 836 1768	`avx`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
99537	24256 0 0	60754 844 1832	`cavx`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
109124	26512 0 0	62442 844 1800	`cavx`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
116632	19611 0 0	54113 836 1768	`cavx`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
42444855	61050 0 0	103922 860 1832	`ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
42448681	61082 0 0	104066 860 1832	`ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
42504665	16572 0 0	53124 852 1832	`ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
42591895	47999 0 0	85908 852 1832	`ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
42635337	11553 0 0	47756 852 1800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808
43778256	7140 0 0	41819 844 1768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240810	20240808

Compiler output

mult.c: mult.c: In function 'mult768_mix2_m256i':
mult.c: mult.c:571:3: warning: 'mult96x16' accessing 6144 bytes in a region of size 512 [-Wstringop-overflow=]
mult.c:   571 |   mult96x16(hkara[12],fkara[6],(__m256i *) (1 + (__m128i *) gkara));
mult.c:       |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mult.c: mult.c:571:3: note: referencing argument 1 of type '__m256i[192]'
mult.c: mult.c:571:3: warning: 'mult96x16' reading 3072 bytes from a region of size 512 [-Wstringop-overread]
mult.c: mult.c:571:3: note: referencing argument 2 of type 'const __m256i[96]'
mult.c: mult.c:571:3: warning: 'mult96x16' reading 3072 bytes from a region of size 3056 [-Wstringop-overread]
mult.c: mult.c:571:3: note: referencing argument 3 of type 'const __m256i[96]'
mult.c: mult.c:282:13: note: in a call to function 'mult96x16'
mult.c:   282 | static void mult96x16(__m256i h[192],const __m256i f[96],const __m256i g[96])
mult.c:       |             ^~~~~~~~~
mult.c: mult.c:572:3: warning: 'mult96x16' accessing 6144 bytes in a region of size 512 [-Wstringop-overflow=]
mult.c:   572 |   mult96x16(hkara[0],fkara[0],gkara[0]);
mult.c:       |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mult.c: mult.c:572:3: note: referencing argument 1 of type '__m256i[192]'
mult.c: mult.c:572:3: warning: 'mult96x16' reading 3072 bytes from a region of size 512 [-Wstringop-overread]
mult.c: mult.c:572:3: note: referencing argument 2 of type 'const __m256i[96]'
mult.c: mult.c:572:3: warning: 'mult96x16' reading 3072 bytes from a region of size 1024 [-Wstringop-overread]
mult.c: mult.c:572:3: note: referencing argument 3 of type 'const __m256i[96]'
mult.c: mult.c:282:13: note: in a call to function 'mult96x16'
mult.c:   282 | static void mult96x16(__m256i h[192],const __m256i f[96],const __m256i g[96])
mult.c:       |             ^~~~~~~~~

Number of similar (implementation,compiler) pairs: 3, namely:

Implementation	Compiler
`cavx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

Namespace violations

mult.o r3_mult T
mult.o rq_mult T
r3_recip.o r3_recip T
randomsmall.o small_random T
randomweightw.o small_random_weightw T
rq.o rq_decode T
rq.o rq_encode T
rq_mod3.o rq_mod3 T
rq_recip3.o rq_recip3 T
rq_round3.o rq_round3 T
rq_rounded.o rq_decoderounded T
rq_rounded.o rq_roundencode T
small.o small_decode T
small.o small_encode T
swap.o swap T
weight.o r3_weightw_mask T

Number of similar (implementation,compiler) pairs: 6, namely:

Implementation	Compiler
`cavx`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`cavx`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`cavx`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`cavx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

Namespace violations

r3_mult.o r3_mult T
r3_recip.o r3_recip T
random32.o small_random32 T
randomsmall.o small_random T
randomweightw.o small_random_weightw T
rq.o rq_decode T
rq.o rq_encode T
rq_mult.o rq_mult T
rq_recip3.o rq_recip3 T
rq_round3.o rq_round3 T
rq_rounded.o rq_decoderounded T
rq_rounded.o rq_encoderounded T
small.o small_decode T
small.o small_encode T
swap.o swap T

Number of similar (implementation,compiler) pairs: 6, namely:

Implementation	Compiler
`ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

TIMECOP error (can be valgrind bug)

error 111

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10AEB6
   at 0x...: core (try-anything.c:61)
   by 0x...: salsa20 (try-anything.c:89)
   by 0x...: canary (try-anything.c:148)
   by 0x...: output_prepare (try-anything.c:178)
   by 0x...: test (try.c:124)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`avx`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`cavx`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`

TIMECOP error (can be valgrind bug)

error 111

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B9D4
   at 0x...: salsa20 (try-anything.c:90)
   by 0x...: canary (try-anything.c:148)
   by 0x...: output_prepare (try-anything.c:178)
   by 0x...: test (try.c:124)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`avx`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`cavx`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`

TIMECOP error (can be valgrind bug)

error 111

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A086
   at 0x...: core (try-anything.c:64)
   by 0x...: salsa20 (try-anything.c:89)
   by 0x...: canary (try-anything.c:148)
   by 0x...: output_prepare (try-anything.c:178)
   by 0x...: test (try.c:124)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`avx`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`
`cavx`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))`

TIMECOP error (can be valgrind bug)

error 111

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A0C7
   at 0x...: core (try-anything.c:68)
   by 0x...: salsa20.part.0 (try-anything.c:89)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: canary (try-anything.c:148)
   by 0x...: output_prepare (try-anything.c:178)
   by 0x...: test (try.c:124)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`avx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

TIMECOP error (can be valgrind bug)

error 111

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A11C
   at 0x...: core (try-anything.c:64)
   by 0x...: salsa20.part.0 (try-anything.c:89)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: canary (try-anything.c:148)
   by 0x...: output_prepare (try-anything.c:178)
   by 0x...: test (try.c:124)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`avx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`

TIMECOP error (can be valgrind bug)

error 111

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x109EB9
   at 0x...: core (try-anything.c:64)
   by 0x...: salsa20.part.0 (try-anything.c:89)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: canary (try-anything.c:148)
   by 0x...: output_prepare (try-anything.c:178)
   by 0x...: test (try.c:124)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`avx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`cavx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`