Implementation notes: amd64, cherry, crypto_stream/tpy

Computer: cherry
Microarchitecture: amd64; Silvermont (406c4)
Architecture: amd64
CPU ID: GenuineIntel-000406c4-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_stream
Primitive: tpy

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
19604	4433 0 34337	17230 804 35288	`T:e/tpy`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
20003	4770 218 34340	18256 1008 35384	`T:e/tpy`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
20131	6193 0 34337	21288 812 35288	`T:e/tpy`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
20206	5449 0 34337	19296 812 35288	`T:e/tpy`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
20216	5449 0 34337	20944 812 35288	`T:e/tpy`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
20277	5282 218 34340	20008 1008 35384	`T:e/tpy`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
20887	4439 0 34337	16750 804 35288	`T:e/tpy`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
21433	4607 218 34340	17599 1000 35384	`T:e/tpy`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
21558	3467 218 34340	15227 984 35352	`T:e/tpy`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625

Compiler output

tpy.c: In file included from tpy.c:1:
tpy.c: ./e/tpy.c:93:7: warning: unused variable 'keysizeb' [-Wunused-variable]
tpy.c:   int keysizeb=(keysize+7)>>3;
tpy.c:       ^
tpy.c: ./e/tpy.c:215:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   int bl;
tpy.c:       ^
tpy.c: ./e/tpy.c:355:7: warning: unused variable 'output1b' [-Wunused-variable]
tpy.c:           u8 output1b[4];
tpy.c:              ^
tpy.c: ./e/tpy.c:310:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   int bl;
tpy.c:       ^
tpy.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:e/tpy`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

tpy.c: In file included from tpy.c:1:
tpy.c: e/tpy.c: In function 'crypto_stream_tpy_e_tpy_timingleaks_ECRYPT_ivsetup':
tpy.c: e/tpy.c:93:7: warning: unused variable 'keysizeb' [-Wunused-variable]
tpy.c:    93 |   int keysizeb=(keysize+7)>>3;
tpy.c:       |       ^~~~~~~~
tpy.c: e/tpy.c: In function 'crypto_stream_tpy_e_tpy_timingleaks_ECRYPT_process_bytes':
tpy.c: e/tpy.c:215:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   215 |   int bl;
tpy.c:       |       ^~
tpy.c: e/tpy.c: In function 'crypto_stream_tpy_e_tpy_timingleaks_ECRYPT_keystream_bytes':
tpy.c: e/tpy.c:355:7: warning: unused variable 'output1b' [-Wunused-variable]
tpy.c:   355 |    u8 output1b[4];
tpy.c:       |       ^~~~~~~~
tpy.c: e/tpy.c:310:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   310 |   int bl;
tpy.c:       |       ^~

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:e/tpy`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:e/tpy`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:e/tpy`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:e/tpy`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`