Implementation notes: aarch64, pi3aplus, crypto_dh/nistp256
Computer: pi3aplus
Microarchitecture: aarch64; Cortex-A53 (410fd034)
Architecture: aarch64
CPU ID: 410fd034
SUPERCOP version: 20240716
Operation: crypto_dh
Primitive: nistp256
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 4201526 | 148 0 0 | 28056 31544 1552 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 4241990 | 72 0 0 | 30589 31496 1568 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 4259766 | 176 0 0 | 29008 31560 1568 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 4269524 | 160 0 0 | 30904 31560 1584 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 4295272 | 160 0 0 | 29640 31560 1568 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 4761132 | 21712 32864 0 | 40325 33640 1568 | T:wbl | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 5008165 | 12584 32864 0 | 31680 33712 1584 | T:wbl | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 6124437 | 10588 32864 0 | 28400 33704 1568 | T:wbl | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 7197134 | 9956 32864 0 | 26224 33688 1552 | T:wbl | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
| 7928581 | 10848 32864 0 | 28024 33704 1568 | T:wbl | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240722 | 20240716 |
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: 1, namely:
| Implementation | Compiler |
| T:wbl | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final)) |
Compiler output
curve.c: curve.c: In function 'p256dblmult_base':
curve.c: curve.c:256:7: warning: unused variable 'k' [-Wunused-variable]
curve.c: 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: 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: 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: 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: 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: 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: 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: 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: 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 (8.3.0) |
| T:wbl | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |
| T:wbl | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |
| T:wbl | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |
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: 5, namely:
| Implementation | Compiler |
| T:wbl | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final)) |
| T:wbl | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |
| T:wbl | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |
| T:wbl | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |
| T:wbl | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0) |