Implementation notes: amd64, hertz, crypto_scalarmult/kummer
Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240808
Operation: crypto_scalarmult
Primitive: kummer
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 168314 | 30130 0 0 | 65641 844 1832 | avx2int | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 169043 | 31079 0 0 | 66697 844 1832 | avx2int | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 204439 | 9039 0 0 | 38475 836 1832 | avx2int | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 208327 | 9390 0 0 | 38940 820 1832 | avx2int | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 209000 | 9083 0 0 | 40676 820 1896 | avx2 | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 209309 | 9044 0 0 | 44753 844 1832 | avx2 | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 209587 | 9044 0 0 | 44881 844 1832 | avx2 | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 209726 | 8843 0 0 | 38364 820 1832 | avx2 | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 210081 | 8524 0 0 | 38163 836 1832 | avx2 | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 210140 | 8686 0 0 | 36427 812 1800 | avx2 | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 228488 | 9769 0 0 | 41316 820 1896 | avx | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 228553 | 9663 0 0 | 45409 844 1832 | avx | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 228722 | 9663 0 0 | 45537 844 1832 | avx | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 228753 | 9529 0 0 | 39068 820 1832 | avx | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 228955 | 9143 0 0 | 38755 836 1832 | avx | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 229224 | 9372 0 0 | 37067 812 1800 | avx | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 846050 | 6982 0 0 | 38492 820 1896 | ref5 | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 848084 | 19249 0 0 | 55010 844 1832 | ref5u | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 851679 | 4770 0 0 | 34276 820 1832 | ref5 | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 853029 | 19186 0 0 | 54858 844 1832 | ref5 | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 864832 | 5068 0 0 | 34564 820 1832 | ref5u | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 864859 | 19414 0 0 | 55002 844 1832 | ref5 | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 868419 | 19412 0 0 | 55026 844 1832 | ref5u | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 901575 | 4389 0 0 | 32028 812 1800 | ref5 | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 902375 | 7429 0 0 | 38956 820 1896 | ref5u | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 902433 | 4688 0 0 | 32356 812 1800 | ref5u | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 943084 | 4453 0 0 | 33931 836 1832 | ref5 | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
| 954543 | 4716 0 0 | 34147 836 1832 | ref5u | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
Checksum failure
fed817738cdd521656d7a275be805497dad14c441e9df26be432e3b1a333f255
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| avx2int | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
Test failure
error 111
crypto_scalarmult not associative
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| avx2int | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
Compiler output
gfe.c: gfe.c:59:30: warning: argument 1 of type 'unsigned char *' declared as a pointer [-Warray-parameter=]
gfe.c: 59 | void gfe_pack(unsigned char *r, const gfe *x)
gfe.c: | ~~~~~~~~~~~~~~~^
gfe.c: In file included from gfe.c:1:
gfe.c: gfe.h:49:15: note: previously declared as an array 'unsigned char[16]'
gfe.c: 49 | void gfe_pack(unsigned char[16], const gfe *x);
gfe.c: | ^~~~~~~~~~~~~~~~~
gfe.c: gfe.c: In function 'fromdouble':
gfe.c: gfe.c:71:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
gfe.c: 71 | return *(unsigned long long *) &d - 0x4338000000000000;
gfe.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~
gfe.c: gfe.c: In function 'todouble':
gfe.c: gfe.c:77:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
gfe.c: 77 | return *(double *) &l - 6755399441055744.0;
gfe.c: | ^~~~~~~~~~~~~
gfe.c: gfe.c: At top level:
gfe.c: gfe.c:80:28: warning: argument 1 of type 'gfe *' declared as a pointer [-Warray-parameter=]
gfe.c: 80 | void gfe4x3limb_split(gfe *r, const gfe4x *x)
gfe.c: | ~~~~~^
gfe.c: gfe.h:53:27: note: previously declared as an array 'gfe[4]'
gfe.c: 53 | void gfe4x3limb_split(gfe r[4], const gfe4x *a);
gfe.c: | ~~~~^~~~
Number of similar (implementation,compiler) pairs: 6, namely:
| Implementation | Compiler |
| avx | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx2 | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx2 | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx2 | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
Compiler output
smult.c: smult.c: In function 'crypto_scalarmult_kummer_avx2int_constbranchindex_gfe4x_from_gfe':
smult.c: smult.c:14:6: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
smult.c: 14 | 0[(crypto_uint64 *) &y->v[i]] = x[0].v[i];
smult.c: | ^
smult.c: smult.c: In function 'crypto_scalarmult_kummer_avx2int_constbranchindex_gfe4x_to_gfe':
smult.c: smult.c:26:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
smult.c: 26 | x[0].v[i] = 0[(crypto_uint64 *) &y->v[i]];
smult.c: | ^
smult.c: In function 'crypto_scalarmult_kummer_avx2int_constbranchindex_gfe4x_mulprecomputed',
smult.c: inlined from 'crypto_scalarmult_kummer_avx2int_constbranchindex' at smult.c:402:7:
smult.c: smult.c:162:6: warning: 'input' is used uninitialized [-Wuninitialized]
smult.c: 162 | a0 = a->v[0];
smult.c: | ~~~^~~~~~~~~
smult.c: smult.c: In function 'crypto_scalarmult_kummer_avx2int_constbranchindex':
smult.c: smult.c:354:9: note: 'input' declared here
smult.c: 354 | gfe4x input;
smult.c: | ^~~~~
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| avx2int | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
Compiler output
smult.c: smult.c: In function 'crypto_scalarmult_kummer_avx2int_constbranchindex_gfe4x_from_gfe':
smult.c: smult.c:14:6: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
smult.c: 14 | 0[(crypto_uint64 *) &y->v[i]] = x[0].v[i];
smult.c: | ^
smult.c: smult.c: In function 'crypto_scalarmult_kummer_avx2int_constbranchindex_gfe4x_to_gfe':
smult.c: smult.c:26:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
smult.c: 26 | x[0].v[i] = 0[(crypto_uint64 *) &y->v[i]];
smult.c: | ^
Number of similar (implementation,compiler) pairs: 2, namely:
| Implementation | Compiler |
| avx2int | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx2int | 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 0x10B516
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:125)
by 0x...: main (try-anything.c:345)
Number of similar (implementation,compiler) pairs: 5, namely:
| Implementation | Compiler |
| avx | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| avx2 | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| avx2int | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| ref5 | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| ref5u | 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 0x10C034
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:125)
by 0x...: main (try-anything.c:345)
Number of similar (implementation,compiler) pairs: 5, namely:
| Implementation | Compiler |
| avx | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| avx2 | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| avx2int | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| ref5 | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| ref5u | 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 0x10A6CA
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:125)
by 0x...: main (try-anything.c:345)
Number of similar (implementation,compiler) pairs: 5, namely:
| Implementation | Compiler |
| avx | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| avx2 | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| avx2int | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| ref5 | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1)) |
| ref5u | 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 0x10A787
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:125)
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) |
| avx2 | 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 0x10A7DC
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:125)
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) |
| avx2 | 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 0x10A455
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:125)
by 0x...: main (try-anything.c:345)
Number of similar (implementation,compiler) pairs: 4, namely:
| Implementation | Compiler |
| avx | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| avx2 | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| ref5 | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| ref5u | 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 0x10A777
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:125)
by 0x...: main (try-anything.c:345)
Number of similar (implementation,compiler) pairs: 3, namely:
| Implementation | Compiler |
| avx2int | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| ref5 | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| ref5u | 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 0x10A7CC
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:125)
by 0x...: main (try-anything.c:345)
Number of similar (implementation,compiler) pairs: 2, namely:
| Implementation | Compiler |
| ref5 | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
| ref5u | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |