Implementation notes: amd64, cherry, crypto_dh/ecfp256s

Computer: cherry
Microarchitecture: amd64; Silvermont (406c4)
Architecture: amd64
CPU ID: GenuineIntel-000406c4-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_dh
Primitive: ecfp256s
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1519816209416 0 8224582 820 1816T:v01/w8s8gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1523265143492 0 8158662 820 1816T:v01/w8s4gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1530837110666 0 8125830 820 1816T:v01/w8s2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
156044393937 0 8109054 820 1816T:v01/w8s1gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1594205118452 0 8132470 820 1816T:v01/w8s4gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1595336184163 0 8198198 820 1816T:v01/w8s8gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1602304181678 0 8195302 820 1816T:v01/w8s8gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1617886116105 0 8129702 820 1816T:v01/w8s4gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1618425172401 0 8184966 812 1784T:v01/w8s8gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
162984685668 0 899702 820 1816T:v01/w8s2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
1630871106857 0 8119430 812 1784T:v01/w8s4gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
164553583337 0 896934 820 1816T:v01/w8s2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
165584274092 0 886662 812 1784T:v01/w8s2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
168312069177 0 883190 820 1816T:v01/w8s1gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
170017066878 0 880486 820 1816T:v01/w8s1gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
171300857626 0 870206 812 1784T:v01/w8s1gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
251251575362 0 890478 820 1816T:v01/vargcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
267844352238 0 866270 820 1816T:v01/vargcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
271246450532 0 864086 820 1816T:v01/vargcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212
273932841456 0 854006 812 1784T:v01/vargcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121420231212

Compiler output

Implementation: T:v01/var
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
alloc.c: alloc.c:79:11: warning: passing 'char [13]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
alloc.c: kn_exit("kn_init_fast", ERR_OUT_OF_MEMORY);
alloc.c: ^~~~~~~~~~~~~~
alloc.c: ./_core.h:132:21: note: passing argument to parameter 's' here
alloc.c: void kn_exit(sic_t *s, uni_t code);
alloc.c: ^
alloc.c: alloc.c:94:11: warning: passing 'char [13]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
alloc.c: kn_exit("kn_free_fast", ERR_INVALID_MEMORY);
alloc.c: ^~~~~~~~~~~~~~
alloc.c: ./_core.h:132:21: note: passing argument to parameter 's' here
alloc.c: void kn_exit(sic_t *s, uni_t code);
alloc.c: ^
alloc.c: alloc.c:110:11: warning: passing 'char [8]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
alloc.c: kn_exit("kn_kill", ERR_INVALID_MEMORY);
alloc.c: ^~~~~~~~~
alloc.c: ./_core.h:132:21: note: passing argument to parameter 's' here
alloc.c: void kn_exit(sic_t *s, uni_t code);
alloc.c: ^
alloc.c: alloc.c:133:11: warning: passing 'char [33]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
alloc.c: kn_exit("kn_alloc: cannot allocate memory", 0);
alloc.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
alloc.c: ./_core.h:132:21: note: passing argument to parameter 's' here
alloc.c: void kn_exit(sic_t *s, uni_t code);
alloc.c: ^
alloc.c: alloc.c:154:12: warning: passing 'char [8]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
alloc.c: ...
error.c: error.c:44:11: warning: passing 'char [56]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
error.c: kn_exit("Increase the workspace space using crypmix_init(maxlen)", ERR_OUT_OF_BOUNDS);
error.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error.c: error.c:29:21: note: passing argument to parameter 's' here
error.c: void kn_exit(sic_t *s, uni_t code)
error.c: ^
error.c: 1 warning generated.
integer_hi_stack.c: integer_hi_stack.c:387:11: warning: passing 'char [11]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
integer_hi_stack.c: kn_exit("mi_q_and_r", ERR_DIVIDE_BY_ZERO);
integer_hi_stack.c: ^~~~~~~~~~~~
integer_hi_stack.c: ./kernel.h:814:18: note: passing argument to parameter 's' here
integer_hi_stack.c: void kn_exit(sic s, uni_t code);
integer_hi_stack.c: ^
integer_hi_stack.c: integer_hi_stack.c:417:11: warning: passing 'char [11]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
integer_hi_stack.c: kn_exit("mi_q_and_r", ERR_DIVIDE_BY_ZERO);
integer_hi_stack.c: ^~~~~~~~~~~~
integer_hi_stack.c: ./kernel.h:814:18: note: passing argument to parameter 's' here
integer_hi_stack.c: void kn_exit(sic s, uni_t code);
integer_hi_stack.c: ^
integer_hi_stack.c: integer_hi_stack.c:907:11: warning: passing 'char [33]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
integer_hi_stack.c: kn_exit("mi_modinv_stack: 0 is not a unit", 0);
integer_hi_stack.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
integer_hi_stack.c: ./kernel.h:814:18: note: passing argument to parameter 's' here
integer_hi_stack.c: void kn_exit(sic s, uni_t code);
integer_hi_stack.c: ^
integer_hi_stack.c: integer_hi_stack.c:918:11: warning: passing 'char [16]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
integer_hi_stack.c: kn_exit("mi_modinv_stack", 0);
integer_hi_stack.c: ^~~~~~~~~~~~~~~~~
integer_hi_stack.c: ./kernel.h:814:18: note: passing argument to parameter 's' here
integer_hi_stack.c: void kn_exit(sic s, uni_t code);
integer_hi_stack.c: ^
integer_hi_stack.c: integer_hi_stack.c:943:12: warning: passing 'char [32]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
integer_hi_stack.c: ...
integer_lo.c: integer_lo.c:551:10: warning: passing 'char [35]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
integer_lo.c: kn_exit("min_nres_prepare2: not implemented", 0);
integer_lo.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
integer_lo.c: ./kernel.h:814:18: note: passing argument to parameter 's' here
integer_lo.c: void kn_exit(sic s, uni_t code);
integer_lo.c: ^
integer_lo.c: 1 warning generated.
io.c: io.c:340:11: warning: passing 'char [32]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
io.c: kn_exit("kn_io_fscan: zero length string", ERR_INVALID_STRING);
io.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
io.c: ./_core.h:132:21: note: passing argument to parameter 's' here
io.c: void kn_exit(sic_t *s, uni_t code);
io.c: ^
io.c: io.c:350:12: warning: passing 'char [31]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
io.c: kn_exit("kn_io_fscan: invalid character", ERR_INVALID_CHARACTER);
io.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
io.c: ./_core.h:132:21: note: passing argument to parameter 's' here
io.c: void kn_exit(sic_t *s, uni_t code);
io.c: ^
io.c: io.c:352:14: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
io.c: if((buf[i] == -1)){
io.c: ~~~~~~~^~~~~
io.c: io.c:352:14: note: remove extraneous parentheses around the comparison to silence this warning
io.c: if((buf[i] == -1)){
io.c: ~ ^ ~
io.c: io.c:352:14: note: use '=' to turn this equality comparison into an assignment
io.c: if((buf[i] == -1)){
io.c: ^~
io.c: =
io.c: io.c:353:12: warning: passing 'char [31]' to parameter of type 'sic_t *' (aka 'signed char *') converts between pointers to integer types with different sign [-Wpointer-sign]
io.c: kn_exit("kn_io_fscan: invalid character", ERR_INVALID_CHARACTER);
io.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
io.c: ...

Number of similar (compiler,implementation) pairs: 25, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/var
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/var
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/var
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/var
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/var
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s1
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s1
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s1
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s1
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s1
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s2
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s2
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s4
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s4
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s4
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s4
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s4
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s8
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s8
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s8
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s8
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:v01/w8s8