Test results for amd64, thinksky, crypto_dh/nistp256
[Page version: 20250828 09:09:05]
Measurements for amd64, thinksky, crypto_dh
Test results for amd64, thinksky, crypto_dh
Test results for crypto_dh/nistp256
Computer: thinksky
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20250415
Operation: crypto_dh
Primitive: nistp256
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 1642902 | 33538 32864 0 | 58613 33700 1832 | T:wbl | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 1648292 | 30185 32864 0 | 55205 33700 1832 | T:wbl | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 1686817 | 34966 32864 0 | 61813 33700 1768 | T:wbl | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 1895526 | 18194 32864 0 | 41084 33660 1832 | T:wbl | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 1935115 | 29250 32864 0 | 49677 33700 1768 | T:wbl | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2026968 | 10439 32864 0 | 31710 33692 1832 | T:wbl | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2178277 | 150 0 0 | 43493 31548 1832 | T:ref | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2179605 | 150 0 0 | 41348 31508 1832 | T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2186567 | 143 0 0 | 39742 31540 1832 | T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2186850 | 150 0 0 | 43509 31548 1832 | T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2187861 | 132 0 0 | 37884 31500 1800 | T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2188116 | 154 0 0 | 39116 31508 1832 | T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2195196 | 150 0 0 | 38877 31548 1768 | T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2195284 | 150 0 0 | 39388 31508 1832 | T:ref | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2203246 | 150 0 0 | 45285 31548 1768 | T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2456840 | 14274 32864 0 | 35236 33660 1832 | T:wbl | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2548404 | 11970 32864 0 | 31460 33652 1800 | T:wbl | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
| 2711239 | 13078 32864 0 | 33804 33660 1832 | T:wbl | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall | 20250823 | 20250415 |
Compiler output
curve.c: curve.c:256:7: warning: unused variable 'k' [-Wunused-variable]
curve.c: 256 | int k;
curve.c: | ^
curve.c: 1 warning generated.
fep256.c: fep256.c:1076:14: warning: unused variable 'temp' [-Wunused-variable]
fep256.c: 1076 | smallfelem temp;
fep256.c: | ^~~~
fep256.c: fep256.c:46:30: warning: unused variable 'nistp256_curve_params' [-Wunused-const-variable]
fep256.c: 46 | static const felem_bytearray nistp256_curve_params[5] = {
fep256.c: | ^~~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:98:19: warning: unused variable 'bottom32bits' [-Wunused-const-variable]
fep256.c: 98 | static const limb bottom32bits = 0xffffffff;
fep256.c: | ^~~~~~~~~~~~
fep256.c: fep256.c:133:13: warning: unused function 'smallfelem_assign' [-Wunused-function]
fep256.c: 133 | static void smallfelem_assign(smallfelem out, const smallfelem in)
fep256.c: | ^~~~~~~~~~~~~~~~~
fep256.c: fep256.c:159:13: warning: unused function 'felem_small_sum' [-Wunused-function]
fep256.c: 159 | static void felem_small_sum(felem out, const smallfelem in)
fep256.c: | ^~~~~~~~~~~~~~~
fep256.c: fep256.c:177:13: warning: unused function 'longfelem_scalar' [-Wunused-function]
fep256.c: 177 | static void longfelem_scalar(longfelem out, const u64 scalar)
fep256.c: | ^~~~~~~~~~~~~~~~
fep256.c: fep256.c:200:13: warning: unused function 'smallfelem_neg' [-Wunused-function]
fep256.c: 200 | static void smallfelem_neg(felem out, const smallfelem small)
fep256.c: | ^~~~~~~~~~~~~~
fep256.c: fep256.c:243:13: warning: unused function 'felem_diff_zero107' [-Wunused-function]
fep256.c: 243 | static void felem_diff_zero107(felem out, const felem in)
fep256.c: | ^~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:263:13: warning: unused function 'longfelem_diff' [-Wunused-function]
fep256.c: ...
Number of similar (implementation,compiler) pairs: 5, namely:
| Implementation | Compiler |
| T:wbl | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
Compiler output
curve.c: curve.c: In function 'p256dblmult_base':
curve.c: curve.c:256:7: warning: unused variable 'k' [-Wunused-variable]
curve.c: 256 | int k;
curve.c: | ^
fep256.c: fep256.c:1064:32: warning: argument 1 of type 'unsigned char *' declared as a pointer [-Warray-parameter=]
fep256.c: 1064 | void fep256pack(unsigned char *out, fep256 *a){
fep256.c: | ~~~~~~~~~~~~~~~^~~
fep256.c: In file included from fep256.c:30:
fep256.c: fep256.h:20:38: note: previously declared as an array 'unsigned char[32]'
fep256.c: 20 | extern void fep256pack(unsigned char c[32], fep256 *r);
fep256.c: | ~~~~~~~~~~~~~~^~~~~
fep256.c: fep256.c:1075:51: warning: argument 2 of type 'const unsigned char *' declared as a pointer [-Warray-parameter=]
fep256.c: 1075 | void fep256unpack(fep256 *c, const unsigned char *in){
fep256.c: | ~~~~~~~~~~~~~~~~~~~~~^~
fep256.c: fep256.h:21:57: note: previously declared as an array 'const unsigned char[32]'
fep256.c: 21 | extern void fep256unpack(fep256 *r, const unsigned char c[32]);
fep256.c: | ~~~~~~~~~~~~~~~~~~~~^~~~~
fep256.c: fep256.c: In function 'fep256unpack':
fep256.c: fep256.c:1076:14: warning: unused variable 'temp' [-Wunused-variable]
fep256.c: 1076 | smallfelem temp;
fep256.c: | ^~~~
fep256.c: fep256.c: At top level:
fep256.c: fep256.c:967:1: warning: 'copy_small_conditional' defined but not used [-Wunused-function]
fep256.c: 967 | copy_small_conditional(felem out, const smallfelem in, limb mask)
fep256.c: | ^~~~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:955:1: warning: 'copy_conditional' defined but not used [-Wunused-function]
fep256.c: 955 | copy_conditional(felem out, const felem in, limb mask)
fep256.c: | ^~~~~~~~~~~~~~~~
fep256.c: fep256.c:944:13: warning: 'smallfelem_inv_contract' defined but not used [-Wunused-function]
fep256.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
| Implementation | Compiler |
| T:wbl | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
| T:wbl | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
| T:wbl | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
| T:wbl | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
Namespace violations
curve.o basep D
curve.o p256add T
curve.o p256add_total T
curve.o p256base T
curve.o p256cmov T
curve.o p256dbl T
curve.o p256dbl_total T
curve.o p256dblmult_base T
curve.o p256identity T
curve.o p256madd T
curve.o p256oncurvefinite T
curve.o p256pack T
curve.o p256scalarmult T
curve.o p256scalarmult_base T
curve.o p256scalarmult_base_fast T
curve.o p256unpack T
curve.o p256xpack T
curve.o paramb D
curve.o precomp D
fep256.o fep256add T
fep256.o fep256cmov T
fep256.o fep256inv T
fep256.o fep256iszero T
fep256.o fep256mul T
fep256.o fep256pack T
fep256.o fep256scalar T
fep256.o fep256setone T
fep256.o fep256setzero T
fep256.o fep256sqr T
fep256.o fep256sub T
fep256.o fep256unpack T
Number of similar (implementation,compiler) pairs: 9, namely:
| Implementation | Compiler |
| T:wbl | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_19.1.7_(3+b1)) |
| T:wbl | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
| T:wbl | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
| T:wbl | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |
| T:wbl | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0) |