| Time | Relative time | Primitive | Implementation | Compiler |
|---|
| 187 | 1.00 | aes128decrypt | crypto_core/aes128decrypt/dolbeau/armv8crypto | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 504 | 2.70 | aes128decrypt | crypto_core/aes128decrypt/dolbeau/std-1rt-nodk | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 525 | 2.81 | aes128decrypt | crypto_core/aes128decrypt/dolbeau/std-2rt-nodk | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv |
| 526 | 2.81 | aes128decrypt | crypto_core/aes128decrypt/dolbeau/std-4rt-nodk | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 886 | 4.74 | aes128decrypt | crypto_core/aes128decrypt/openssl | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 221047 | 1182.07 | aes128decrypt | crypto_core/aes128decrypt/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 162 | 1.00 | aes128encrypt | crypto_core/aes128encrypt/dolbeau/armv8crypto | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 386 | 2.38 | aes128encrypt | crypto_core/aes128encrypt/dolbeau/std-2ft | gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv |
| 396 | 2.44 | aes128encrypt | crypto_core/aes128encrypt/dolbeau/std-1ft | gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv |
| 408 | 2.52 | aes128encrypt | crypto_core/aes128encrypt/dolbeau/std-4ft | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 462 | 2.85 | aes128encrypt | crypto_core/aes128encrypt/openssl | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 210625 | 1300.15 | aes128encrypt | crypto_core/aes128encrypt/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 251 | 1.00 | aes256decrypt | crypto_core/aes256decrypt/dolbeau/armv8crypto | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 700 | 2.79 | aes256decrypt | crypto_core/aes256decrypt/dolbeau/std-1rt-nodk | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 711 | 2.83 | aes256decrypt | crypto_core/aes256decrypt/dolbeau/std-2rt-nodk | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 728 | 2.90 | aes256decrypt | crypto_core/aes256decrypt/dolbeau/std-4rt-nodk | gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv |
| 1178 | 4.69 | aes256decrypt | crypto_core/aes256decrypt/openssl | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv |
| 305302 | 1216.34 | aes256decrypt | crypto_core/aes256decrypt/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 230 | 1.00 | aes256encrypt | crypto_core/aes256encrypt/dolbeau/armv8crypto | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 509 | 2.21 | aes256encrypt | crypto_core/aes256encrypt/dolbeau/std-2ft | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 526 | 2.29 | aes256encrypt | crypto_core/aes256encrypt/dolbeau/std-1ft | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv |
| 537 | 2.33 | aes256encrypt | crypto_core/aes256encrypt/dolbeau/std-4ft | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 599 | 2.60 | aes256encrypt | crypto_core/aes256encrypt/openssl | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 290793 | 1264.32 | aes256encrypt | crypto_core/aes256encrypt/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 359 | 1.00 | hsalsa20 | crypto_core/hsalsa20/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 359 | 1.00 | hsalsa20 | crypto_core/hsalsa20/ref2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 404 | 1.00 | salsa20 | crypto_core/salsa20/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 276 | 1.00 | salsa2012 | crypto_core/salsa2012/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 212 | 1.00 | salsa208 | crypto_core/salsa208/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| Time | Relative time | Primitive | Implementation | Compiler |
|---|
| | aes128ctr | crypto_stream/aes128ctr/cryptopp | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 18950 | 1.00 | aes128estream | crypto_stream/aes128estream/e/hongjun/v1 | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv (6.1.0) |
| 19062 | 1.01 | aes128estream | crypto_stream/aes128estream/e/hongjun/v0 | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 24773 | 1.31 | aes128estream | crypto_stream/aes128estream/e/bernstein/little-4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 26678 | 1.41 | aes128estream | crypto_stream/aes128estream/e/bernstein/big-1 | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 26765 | 1.41 | aes128estream | crypto_stream/aes128estream/e/bernstein/little-1 | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments |
| 26794 | 1.41 | aes128estream | crypto_stream/aes128estream/e/bernstein/little-3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 30141 | 1.59 | aes128estream | crypto_stream/aes128estream/e/bernstein/little-2 | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv (6.1.0) |
| | aes128estream | crypto_stream/aes128estream/e/gladman | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | aes192ctr | crypto_stream/aes192ctr/cryptopp | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 36097 | 1.00 | aes256ctr | crypto_stream/aes256ctr/openssl | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments (4.2.1 Compatible Ubuntu Clang 3.4 (tags/RELEASE 34/final)) |
| | aes256ctr | crypto_stream/aes256ctr/cryptopp | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 26643 | 1.00 | aes256estream | crypto_stream/aes256estream/e/hongjun/v1 | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv (6.1.0) |
| 26761 | 1.00 | aes256estream | crypto_stream/aes256estream/e/hongjun/v0 | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv (6.1.0) |
| | aes256estream | crypto_stream/aes256estream/e/gladman | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 85500 | 1.00 | amastrid | crypto_stream/amastrid/ref (1.1.0) | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 4996 | 1.00 | chacha12 | crypto_stream/chacha12/dolbeau/arm-neon | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv (6.1.0) |
| 9079 | 1.82 | chacha12 | crypto_stream/chacha12/dolbeau/mipsel-msa | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 9093 | 1.82 | chacha12 | crypto_stream/chacha12/e/regs | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 9152 | 1.83 | chacha12 | crypto_stream/chacha12/e/merged | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv |
| 9242 | 1.85 | chacha12 | crypto_stream/chacha12/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha12 | crypto_stream/chacha12/amd64-ssse3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha12 | crypto_stream/chacha12/dolbeau/ppc-altivec | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha12 | crypto_stream/chacha12/goll_gueron | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha12 | crypto_stream/chacha12/krovetz/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha12 | crypto_stream/chacha12/krovetz/vec128 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 7909 | 1.00 | chacha20 | crypto_stream/chacha20/dolbeau/arm-neon | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv (6.1.0) |
| 13715 | 1.73 | chacha20 | crypto_stream/chacha20/dolbeau/mipsel-msa | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 13749 | 1.74 | chacha20 | crypto_stream/chacha20/e/regs | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 13826 | 1.75 | chacha20 | crypto_stream/chacha20/e/merged | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv |
| 13898 | 1.76 | chacha20 | crypto_stream/chacha20/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha20 | crypto_stream/chacha20/amd64-ssse3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha20 | crypto_stream/chacha20/dolbeau/ppc-altivec | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha20 | crypto_stream/chacha20/goll_gueron | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha20 | crypto_stream/chacha20/krovetz/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha20 | crypto_stream/chacha20/krovetz/vec128 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 3529 | 1.00 | chacha8 | crypto_stream/chacha8/dolbeau/arm-neon | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv (6.1.0) |
| 6731 | 1.91 | chacha8 | crypto_stream/chacha8/dolbeau/mipsel-msa | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 6767 | 1.92 | chacha8 | crypto_stream/chacha8/e/regs | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 6824 | 1.93 | chacha8 | crypto_stream/chacha8/e/merged | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv |
| 6865 | 1.95 | chacha8 | crypto_stream/chacha8/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha8 | crypto_stream/chacha8/amd64-ssse3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha8 | crypto_stream/chacha8/dolbeau/ppc-altivec | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha8 | crypto_stream/chacha8/goll_gueron | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha8 | crypto_stream/chacha8/krovetz/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | chacha8 | crypto_stream/chacha8/krovetz/vec128 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 7955 | 1.00 | cryptmtv3 | crypto_stream/cryptmtv3/e/v3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| | dragon | crypto_stream/dragon/e/submissions/dragon | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | hc128 | crypto_stream/hc128/e/hc-128/200606 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | hc128 | crypto_stream/hc128/e/hc-128/200701a | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | hc128 | crypto_stream/hc128/e/hc-128/200701b | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | hc256 | crypto_stream/hc256/e/hc-256/200511 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | hc256 | crypto_stream/hc256/e/hc-256/200701 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | lexv2 | crypto_stream/lexv2/e/v2/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 5934 | 1.00 | nlsv2 | crypto_stream/nlsv2/e/v2/sync/2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 11630 | 1.96 | nlsv2 | crypto_stream/nlsv2/e/v2/sync/1 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 46941 | 1.00 | ocelot1 | crypto_stream/ocelot1/ref (2.1.0) | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| | ocelot2 | crypto_stream/ocelot2/ref | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | panama | crypto_stream/panama/cryptopp | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/1/1 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/1/2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/1/3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/1/4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/2/1 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/2/2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/2/3 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/2/4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/opt/2/5 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | rabbit | crypto_stream/rabbit/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 9841 | 1.00 | salsa20 | crypto_stream/salsa20/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 9864 | 1.00 | salsa20 | crypto_stream/salsa20/e/regs | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 9892 | 1.01 | salsa20 | crypto_stream/salsa20/e/merged | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv |
| 10152 | 1.03 | salsa20 | crypto_stream/salsa20/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 6769 | 1.00 | salsa2012 | crypto_stream/salsa2012/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 6792 | 1.00 | salsa2012 | crypto_stream/salsa2012/e/regs | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 6826 | 1.01 | salsa2012 | crypto_stream/salsa2012/e/merged | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv |
| 7080 | 1.05 | salsa2012 | crypto_stream/salsa2012/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 5233 | 1.00 | salsa208 | crypto_stream/salsa208/e/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 5242 | 1.00 | salsa208 | crypto_stream/salsa208/e/merged | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv |
| 5256 | 1.00 | salsa208 | crypto_stream/salsa208/e/regs | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| 5544 | 1.06 | salsa208 | crypto_stream/salsa208/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv (6.1.0) |
| | simon128128ctr | crypto_stream/simon128128ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon128128ctr | crypto_stream/simon128128ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon128192ctr | crypto_stream/simon128192ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon128192ctr | crypto_stream/simon128192ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon128256ctr | crypto_stream/simon128256ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon128256ctr | crypto_stream/simon128256ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon64128ctr | crypto_stream/simon64128ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon64128ctr | crypto_stream/simon64128ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon6496ctr | crypto_stream/simon6496ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | simon6496ctr | crypto_stream/simon6496ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | snow20 | crypto_stream/snow20/e/benchmarks/snow-2.0 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | sosemanuk | crypto_stream/sosemanuk/cryptopp | g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | sosemanuk | crypto_stream/sosemanuk/e/submissions/sosemanuk | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck128128ctr | crypto_stream/speck128128ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck128128ctr | crypto_stream/speck128128ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck128192ctr | crypto_stream/speck128192ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck128192ctr | crypto_stream/speck128192ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck128256ctr | crypto_stream/speck128256ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck128256ctr | crypto_stream/speck128256ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck64128ctr | crypto_stream/speck64128ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck64128ctr | crypto_stream/speck64128ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck6496ctr | crypto_stream/speck6496ctr/avx2 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| | speck6496ctr | crypto_stream/speck6496ctr/sse4 | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 14098 | 1.00 | tpy | crypto_stream/tpy/e/tpy | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments (4.2.1 Compatible Ubuntu Clang 3.4 (tags/RELEASE 34/final)) |
| 9329 | 1.00 | tpy6 | crypto_stream/tpy6/e/tpy6 | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments (4.2.1 Compatible Ubuntu Clang 3.4 (tags/RELEASE 34/final)) |
| 15174 | 1.00 | tpypy | crypto_stream/tpypy/e/tpypy | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv (6.1.0) |
| | trivium | crypto_stream/trivium/e/submissions/trivium | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |
| 10204 | 1.00 | xsalsa20 | crypto_stream/xsalsa20/ref | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv |