Implementation notes: amd64, saber214, crypto_aead/romulusn

Computer: saber214
Microarchitecture: amd64; Bulldozer (600f20)
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-1789c3f5
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: romulusn
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
3602879805 0 023228 816 856aadomn/x86clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
3612439445 0 022406 808 856aadomn/x86clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
36231411244 0 025892 816 856aadomn/x86clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
36342611340 0 028380 816 872aadomn/x86clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
47610611399 592 026012 1416 856T:opt32tclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
47768110542 592 027668 1416 872T:opt32tclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
48731611326 592 027364 1416 856T:opt32tclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
4875479244 608 023790 1392 928T:opt32tgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
4935999431 592 022924 1416 856T:opt32tclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
50954613798 608 029710 1392 928T:opt32tgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5258238066 608 021041 1368 896T:opt32tgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5277698988 608 023181 1384 928T:opt32tgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5411258626 592 021558 1408 856T:opt32tclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
101210328101 640 042212 1464 856aadomn/opt32clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
101677428373 640 044876 1464 872aadomn/opt32clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
102224428706 640 042700 1464 856T:fixslice_opt32clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
103287128834 640 045220 1464 872T:fixslice_opt32clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
105913830572 640 045972 1464 856aadomn/opt32clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
107040330849 640 046132 1464 856T:fixslice_opt32clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
152353133788 640 049925 1432 928T:fixslice_opt32gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
177484722001 640 035564 1464 856aadomn/opt32clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
178314122609 640 036100 1464 856T:fixslice_opt32clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
184248721113 640 034216 1408 896T:fixslice_opt32gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
184399520635 640 035093 1432 928T:fixslice_opt32gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
184412521421 640 036125 1432 928T:fixslice_opt32gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
195486713096 12 028972 828 856T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
208074510506 12 027420 828 872T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
216265710562 12 025084 828 856T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
255855019023 640 031950 1456 856T:fixslice_opt32clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
257052818338 640 031334 1456 856aadomn/opt32clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
276392321002 12 037094 788 928T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
78391896514 12 021142 788 928T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
80714247801 12 021348 828 856T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
85242055164 12 018254 820 856T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
88935095393 12 019677 780 928T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
92208734534 12 017593 764 896T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625

Compiler output


tk_schedule.c: tk_schedule.c:377:14: warning: argument 1 of type 'uint32_t[64]' {aka 'unsigned int[64]'} with mismatched bound [-Warray-parameter=]
tk_schedule.c:   377 |     uint32_t rtk_1[TKPERMORDER*BLOCKBYTES/4],
tk_schedule.c:       |     ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tk_schedule.c: In file included from tk_schedule.c:17:
tk_schedule.c: tk_schedule.h:40:31: note: previously declared as 'uint32_t *' {aka 'unsigned int *'}
tk_schedule.c:    40 | void tk_schedule_13(uint32_t *rtk_1, uint32_t *rtk_3,
tk_schedule.c:       |                     ~~~~~~~~~~^~~~~
tk_schedule.c: tk_schedule.c:378:14: warning: argument 2 of type 'uint32_t[160]' {aka 'unsigned int[160]'} with mismatched bound [-Warray-parameter=]
tk_schedule.c:   378 |     uint32_t rtk_3[SKINNY128_384_ROUNDS*BLOCKBYTES/4],
tk_schedule.c:       |     ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tk_schedule.c: In file included from tk_schedule.c:17:
tk_schedule.c: tk_schedule.h:40:48: note: previously declared as 'uint32_t *' {aka 'unsigned int *'}
tk_schedule.c:    40 | void tk_schedule_13(uint32_t *rtk_1, uint32_t *rtk_3,
tk_schedule.c:       |                                      ~~~~~~~~~~^~~~~
tk_schedule.c: tk_schedule.c:379:19: warning: argument 3 of type 'const uint8_t[16]' {aka 'const unsigned char[16]'} with mismatched bound [-Warray-parameter=]
tk_schedule.c:   379 |     const uint8_t tk_1[TWEAKEYBYTES],
tk_schedule.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
tk_schedule.c: In file included from tk_schedule.c:17:
tk_schedule.c: tk_schedule.h:41:20: note: previously declared as 'const uint8_t *' {aka 'const unsigned char *'}
tk_schedule.c:    41 |     const uint8_t *tk_1,
tk_schedule.c:       |     ~~~~~~~~~~~~~~~^~~~
tk_schedule.c: tk_schedule.c:380:19: warning: argument 4 of type 'const uint8_t[16]' {aka 'const unsigned char[16]'} with mismatched bound [-Warray-parameter=]
tk_schedule.c:   380 |     const uint8_t tk_3[TWEAKEYBYTES])
tk_schedule.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
tk_schedule.c: In file included from tk_schedule.c:17:
tk_schedule.c: ...

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
aadomn/opt32gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
aadomn/opt32gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
aadomn/opt32gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
aadomn/opt32gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Compiler output


skinny128.c: skinny128.c:200:13: warning: unused variable 'rconst' [-Wunused-variable]
skinny128.c:     __m128i rconst;
skinny128.c:             ^
skinny128.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
aadomn/x86clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
aadomn/x86clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
aadomn/x86clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
aadomn/x86clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


skinny128.c: skinny128.c:115:5: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'skinny128_384_plus' that is compiled without support for 'ssse3'
skinny128.c:     DOUBLE_ROUND(rtk_23);
skinny128.c:     ^
skinny128.c: skinny128.c:78:5: note: expanded from macro 'DOUBLE_ROUND'
skinny128.c:     SBOX_ARK_EVEN(rtk_23);      \
skinny128.c:     ^
skinny128.c: skinny128.c:23:13: note: expanded from macro 'SBOX_ARK_EVEN'
skinny128.c:     state = _mm_shuffle_epi8(s1, state);    /* apply inner S-box S1 */          \
skinny128.c:             ^
skinny128.c: skinny128.c:115:5: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'skinny128_384_plus' that is compiled without support for 'ssse3'
skinny128.c: skinny128.c:78:5: note: expanded from macro 'DOUBLE_ROUND'
skinny128.c:     SBOX_ARK_EVEN(rtk_23);      \
skinny128.c:     ^
skinny128.c: skinny128.c:24:13: note: expanded from macro 'SBOX_ARK_EVEN'
skinny128.c:     tmp0  = _mm_shuffle_epi8(s0, tmp0);     /* apply inner S-box S0 */          \
skinny128.c:             ^
skinny128.c: skinny128.c:115:5: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'skinny128_384_plus' that is compiled without support for 'ssse3'
skinny128.c: skinny128.c:78:5: note: expanded from macro 'DOUBLE_ROUND'
skinny128.c:     SBOX_ARK_EVEN(rtk_23);      \
skinny128.c:     ^
skinny128.c: skinny128.c:32:13: note: expanded from macro 'SBOX_ARK_EVEN'
skinny128.c:     tmp0  = _mm_shuffle_epi8(s3, tmp0);     /* apply inner S-box S3 */          \
skinny128.c:             ^
skinny128.c: skinny128.c:115:5: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'skinny128_384_plus' that is compiled without support for 'ssse3'
skinny128.c: skinny128.c:78:5: note: expanded from macro 'DOUBLE_ROUND'
skinny128.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/x86clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


skinny128.c: skinny128.c:91:20: warning: argument 1 of type 'unsigned char *' declared as a pointer [-Warray-parameter=]
skinny128.c:    91 |     unsigned char *out,
skinny128.c:       |     ~~~~~~~~~~~~~~~^~~
skinny128.c: In file included from skinny128.c:11:
skinny128.c: skinny128.h:13:17: note: previously declared as an array 'uint8_t[16]' {aka 'unsigned char[16]'}
skinny128.c:    13 |         uint8_t in[BLOCKBYTES], const uint8_t out[BLOCKBYTES],
skinny128.c:       |         ~~~~~~~~^~~~~~~~~~~~~~
skinny128.c: skinny128.c:92:26: warning: argument 2 of type 'const unsigned char *' declared as a pointer [-Warray-parameter=]
skinny128.c:    92 |     const unsigned char *in,
skinny128.c:       |     ~~~~~~~~~~~~~~~~~~~~~^~
skinny128.c: In file included from skinny128.c:11:
skinny128.c: skinny128.h:13:47: note: previously declared as an array 'const uint8_t[16]' {aka 'const unsigned char[16]'}
skinny128.c:    13 |         uint8_t in[BLOCKBYTES], const uint8_t out[BLOCKBYTES],
skinny128.c:       |                                 ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
skinny128.c: skinny128.c:93:26: warning: argument 3 of type 'const unsigned char *' declared as a pointer [-Warray-parameter=]
skinny128.c:    93 |     const unsigned char *tk1,
skinny128.c:       |     ~~~~~~~~~~~~~~~~~~~~~^~~
skinny128.c: In file included from skinny128.c:11:
skinny128.c: skinny128.h:14:23: note: previously declared as an array 'const uint8_t[16]' {aka 'const unsigned char[16]'}
skinny128.c:    14 |         const uint8_t tk1[TWEAKEYBYTES],
skinny128.c:       |         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
skinny128.c: skinny128.c:94:26: warning: argument 4 of type 'const unsigned char *' declared as a pointer [-Warray-parameter=]
skinny128.c:    94 |     const unsigned char *rtk_23)
skinny128.c:       |     ~~~~~~~~~~~~~~~~~~~~~^~~~~~
skinny128.c: In file included from skinny128.c:11:
skinny128.c: ...

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
aadomn/x86gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
aadomn/x86gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
aadomn/x86gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
aadomn/x86gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x1109DF
   at 0x...: permute_tk_2 (tk_schedule.c:142)
   by 0x...: permute_tk (tk_schedule.c:287)
   by 0x...: tk_schedule_1 (tk_schedule.c:356)
   by 0x...: tk_schedule_123 (tk_schedule.c:398)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_opt32_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/opt32clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x110B0F
   at 0x...: permute_tk_2 (tk_schedule.c:142)
   by 0x...: permute_tk (tk_schedule.c:287)
   by 0x...: tk_schedule_1 (tk_schedule.c:356)
   by 0x...: tk_schedule_123 (tk_schedule.c:398)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_opt32_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/opt32clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10F9C0
   at 0x...: permute_tk_14 (tk_schedule.c:228)
   by 0x...: permute_tk (tk_schedule.c:321)
   by 0x...: tk_schedule_1 (tk_schedule.c:356)
   by 0x...: tk_schedule_123 (tk_schedule.c:398)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_opt32_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/opt32clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10E098
   at 0x...: permute_tk_2 (tk_schedule.c:138)
   by 0x...: permute_tk (tk_schedule.c:287)
   by 0x...: tk_schedule_1 (tk_schedule.c:356)
   by 0x...: tk_schedule_123 (tk_schedule.c:398)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_opt32_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/opt32clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10D263
   at 0x...: tk_schedule_23 (skinny128.c:219)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_x86_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/x86clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10D363
   at 0x...: tk_schedule_23 (skinny128.c:219)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_x86_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/x86clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10C8FF
   at 0x...: tk_schedule_23 (skinny128.c:219)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_x86_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/x86clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10C4F7
   at 0x...: tk_schedule_23 (skinny128.c:219)
   by 0x...: romulusn_process_ad (romulus_n.c:62)
   by 0x...: crypto_aead_romulusn_aadomn_x86_constbranchindex_encrypt (encrypt.c:27)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/x86clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Passed TIMECOP


TIMECOP iterations: 10

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
aadomn/opt32clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)