Implementation notes: amd64, jasper, crypto_dh/nistp256
Computer: jasper
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: nistp256
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 3058146 | 134 0 0 | 33848 31500 1752 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3059580 | 150 0 0 | 37064 31508 1784 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3060672 | 143 0 0 | 34246 31532 1720 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3068043 | 150 0 0 | 38416 31540 1720 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3073592 | 158 0 0 | 35048 31508 1784 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3074897 | 153 0 0 | 34702 31532 1720 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3077732 | 150 0 0 | 37016 31540 1720 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3086895 | 150 0 0 | 35880 31508 1784 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3087277 | 150 0 0 | 36096 31540 1720 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3159134 | 36206 32864 0 | 57520 33692 1720 | T:wbl | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3160367 | 32686 32864 0 | 51680 33692 1720 | T:wbl | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3252888 | 37100 32864 0 | 57064 33692 1720 | T:wbl | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 3976680 | 10716 32864 0 | 27886 33684 1720 | T:wbl | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 4317253 | 16400 32864 0 | 36400 33660 1784 | T:wbl | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 4499111 | 11947 32864 0 | 29734 33684 1720 | T:wbl | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 4655680 | 11424 32864 0 | 28296 33652 1752 | T:wbl | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 4913245 | 19562 32864 0 | 38424 33660 1784 | T:wbl | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
| 5317824 | 11841 32864 0 | 29872 33660 1784 | T:wbl | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240627 | 20240625 |
Compiler output
curve.c: curve.c:256:7: warning: unused variable 'k' [-Wunused-variable]
curve.c: int k;
curve.c: ^
curve.c: 1 warning generated.
fep256.c: fep256.c:1076:14: warning: unused variable 'temp' [-Wunused-variable]
fep256.c: smallfelem temp;
fep256.c: ^
fep256.c: fep256.c:46:30: warning: unused variable 'nistp256_curve_params' [-Wunused-const-variable]
fep256.c: 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: static const limb bottom32bits = 0xffffffff;
fep256.c: ^
fep256.c: fep256.c:133:13: warning: unused function 'smallfelem_assign' [-Wunused-function]
fep256.c: 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: 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: 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: 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: 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_11.0.1) |
| T:wbl | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:wbl | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:wbl | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
| T:wbl | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
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: In function 'fep256unpack':
fep256.c: fep256.c:1076:14: warning: unused variable 'temp' [-Wunused-variable]
fep256.c: 1076 | smallfelem temp;
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: 944 | static void smallfelem_inv_contract(smallfelem out, const smallfelem in)
fep256.c: | ^~~~~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:819:13: warning: 'smallfelem_mul_contract' defined but not used [-Wunused-function]
fep256.c: 819 | static void smallfelem_mul_contract(smallfelem out, const smallfelem in1, const smallfelem in2)
fep256.c: | ^~~~~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:809:13: warning: 'smallfelem_square_contract' defined but not used [-Wunused-function]
fep256.c: 809 | static void smallfelem_square_contract(smallfelem out, const smallfelem in)
fep256.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:718:13: warning: 'felem_reduce_zero105' defined but not used [-Wunused-function]
fep256.c: 718 | static void felem_reduce_zero105(felem out, const longfelem in)
fep256.c: | ^~~~~~~~~~~~~~~~~~~~
fep256.c: fep256.c:623:13: warning: 'felem_small_mul' defined but not used [-Wunused-function]
fep256.c: 623 | static void felem_small_mul(longfelem out, const smallfelem small1, const felem in2)
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 (10.2.1_20210110) |
| T:wbl | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:wbl | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
| T:wbl | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |