Implementation notes: amd64, h4e350, crypto_encrypt/mceliece

Computer: h4e350
Architecture: amd64
CPU ID: AuthenticAMD-00500f10-178bfbff
SUPERCOP version: 20141014
Operation: crypto_encrypt
Primitive: mceliece

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
1425825	`ref`	`gcc -m64 -O3 -fomit-frame-pointer`	20140809	20140622
1426059	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140809	20140622
1426884	`ref`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140809	20140622
1432443	`ref`	`gcc -O3 -fomit-frame-pointer`	20140809	20140622
1432650	`ref`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140809	20140622
1433100	`ref`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20140809	20140622
1435197	`ref`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140809	20140622
1435914	`ref`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140809	20140622
1445223	`ref`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140809	20140622
1449807	`ref`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140809	20140622
1451280	`ref`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140809	20140622
1456332	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140809	20140622
1457724	`ref`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140809	20140622
1463823	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140809	20140622
1468518	`ref`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140809	20140622
1469685	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140809	20140622
1472238	`ref`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140809	20140622
1473102	`ref`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140809	20140622
1479747	`ref`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140809	20140622
1481790	`ref`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140809	20140622
1538895	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140809	20140622
1544142	`ref`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140809	20140622
1548678	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140809	20140622
1550574	`ref`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140809	20140622
1556892	`ref`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140809	20140622
1558278	`ref`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140809	20140622
1559868	`ref`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140809	20140622
1563702	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140809	20140622
1565205	`ref`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140809	20140622
1754508	`ref`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140809	20140622
1755621	`ref`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140809	20140622
1756926	`ref`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140809	20140622
1759446	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140809	20140622
1769601	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140809	20140622
1775655	`ref`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140809	20140622
1775718	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140809	20140622
1782474	`ref`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140809	20140622
1787790	`ref`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20140809	20140622
1792659	`ref`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140809	20140622
1813734	`ref`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140809	20140622
1813836	`ref`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140809	20140622
1814754	`ref`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140809	20140622
1821045	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140809	20140622
1821666	`ref`	`gcc -m64 -O2 -fomit-frame-pointer`	20140809	20140622
1825242	`ref`	`gcc -O2 -fomit-frame-pointer`	20140809	20140622
1839819	`ref`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140809	20140622
1843425	`ref`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140809	20140622
1851090	`ref`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140809	20140622
1852458	`ref`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140809	20140622
1853199	`ref`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140809	20140622
1853220	`ref`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140809	20140622
1854648	`ref`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140809	20140622
1974288	`ref`	`gcc -march=nocona -O -fomit-frame-pointer`	20140809	20140622
1977918	`ref`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140809	20140622
2015010	`ref`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140809	20140622
2017836	`ref`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140809	20140622
2018694	`ref`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140809	20140622
2019231	`ref`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140809	20140622
2019408	`ref`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140809	20140622
2019957	`ref`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140809	20140622
2020056	`ref`	`gcc -Os -fomit-frame-pointer`	20140809	20140622
2020725	`ref`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140809	20140622
2020932	`ref`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140809	20140622
2021079	`ref`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140809	20140622
2021097	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140809	20140622
2021517	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140809	20140622
2021562	`ref`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140809	20140622
2021685	`ref`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140809	20140622
2021799	`ref`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140809	20140622
2022204	`ref`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20140809	20140622
2022372	`ref`	`gcc -m64 -Os -fomit-frame-pointer`	20140809	20140622
2022537	`ref`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140809	20140622
2022948	`ref`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140809	20140622
2023605	`ref`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140809	20140622
2024529	`ref`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140809	20140622
2027550	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140809	20140622
2029764	`ref`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140809	20140622
2100981	`ref`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20140809	20140622
2101986	`ref`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140809	20140622
2102109	`ref`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140809	20140622
2126790	`ref`	`gcc -m64 -O -fomit-frame-pointer`	20140809	20140622
2126829	`ref`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140809	20140622
2128080	`ref`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140809	20140622
2128338	`ref`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140809	20140622
2131095	`ref`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140809	20140622
2132256	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140809	20140622
2132400	`ref`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140809	20140622
2133264	`ref`	`gcc -march=k8 -O -fomit-frame-pointer`	20140809	20140622
2135871	`ref`	`gcc -O -fomit-frame-pointer`	20140809	20140622
6187248	`ref`	`cc`	20140809	20140622
6195390	`ref`	`gcc -funroll-loops`	20140809	20140622
6211950	`ref`	`gcc`	20140809	20140622

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fomit-frame-pointer

misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/supercop-20140622/supercop-data/h4e350/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

decrypt.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
decrypt.c: clang: warning: argument unused during compilation: '-mavx2'
decrypt.c: clang: warning: argument unused during compilation: '-mpclmul'
decrypt.c: clang: warning: argument unused during compilation: '-fpolly'
decrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
encrypt.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
encrypt.c: clang: warning: argument unused during compilation: '-mavx2'
encrypt.c: clang: warning: argument unused during compilation: '-mpclmul'
encrypt.c: clang: warning: argument unused during compilation: '-fpolly'
encrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
gf.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
gf.c: clang: warning: argument unused during compilation: '-mavx2'
gf.c: clang: warning: argument unused during compilation: '-mpclmul'
gf.c: clang: warning: argument unused during compilation: '-fpolly'
gf.c: clang: warning: argument unused during compilation: '-fvectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
keypair.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
keypair.c: clang: warning: argument unused during compilation: '-mavx2'
keypair.c: clang: warning: argument unused during compilation: '-mpclmul'
keypair.c: clang: warning: argument unused during compilation: '-fpolly'
keypair.c: clang: warning: argument unused during compilation: '-fvectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
mat.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
mat.c: clang: warning: argument unused during compilation: '-mavx2'
mat.c: clang: warning: argument unused during compilation: '-mpclmul'
mat.c: clang: warning: argument unused during compilation: '-fpolly'
mat.c: clang: warning: argument unused during compilation: '-fvectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
misc.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: clang: warning: argument unused during compilation: '-mpclmul'
misc.c: clang: warning: argument unused during compilation: '-fpolly'
misc.c: clang: warning: argument unused during compilation: '-fvectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/benchmarking/supercop-20141014/supercop-data/h4e350/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
poly.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
poly.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-mpclmul'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
useshort.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
useshort.c: clang: warning: argument unused during compilation: '-mavx2'
useshort.c: clang: warning: argument unused during compilation: '-mpclmul'
useshort.c: clang: warning: argument unused during compilation: '-fpolly'
useshort.c: clang: warning: argument unused during compilation: '-fvectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -mavx2 -fomit-frame-pointer

decrypt.c: clang: warning: argument unused during compilation: '-mavx2'
encrypt.c: clang: warning: argument unused during compilation: '-mavx2'
gf.c: clang: warning: argument unused during compilation: '-mavx2'
keypair.c: clang: warning: argument unused during compilation: '-mavx2'
mat.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/supercop-20140622/supercop-data/h4e350/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
poly.c: clang: warning: argument unused during compilation: '-mavx2'
useshort.c: clang: warning: argument unused during compilation: '-mavx2'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

decrypt.c: clang: warning: argument unused during compilation: '-mavx2'
decrypt.c: clang: warning: argument unused during compilation: '-fpolly'
decrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
encrypt.c: clang: warning: argument unused during compilation: '-mavx2'
encrypt.c: clang: warning: argument unused during compilation: '-fpolly'
encrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
gf.c: clang: warning: argument unused during compilation: '-mavx2'
gf.c: clang: warning: argument unused during compilation: '-fpolly'
gf.c: clang: warning: argument unused during compilation: '-fvectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
keypair.c: clang: warning: argument unused during compilation: '-mavx2'
keypair.c: clang: warning: argument unused during compilation: '-fpolly'
keypair.c: clang: warning: argument unused during compilation: '-fvectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
mat.c: clang: warning: argument unused during compilation: '-mavx2'
mat.c: clang: warning: argument unused during compilation: '-fpolly'
mat.c: clang: warning: argument unused during compilation: '-fvectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: clang: warning: argument unused during compilation: '-fpolly'
misc.c: clang: warning: argument unused during compilation: '-fvectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/supercop-20140622/supercop-data/h4e350/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
poly.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
useshort.c: clang: warning: argument unused during compilation: '-mavx2'
useshort.c: clang: warning: argument unused during compilation: '-fpolly'
useshort.c: clang: warning: argument unused during compilation: '-fvectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref