Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listJun 2, 2021 20:37

Yuriy Lyfenko

Score: 5,032

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 2, 2021 20:37	4,994	538,305,108	14,983,000	998,000	2,281,472
2	Jun 2, 2021 20:37	4,995	543,128,575	14,985,000	999,000	2,281,472
3	Jun 2, 2021 20:37	4,997	539,147,381	14,992,000	999,000	2,273,280
4	Jun 2, 2021 20:37	4,997	539,972,872	13,991,000	1,998,000	2,273,280
5	Jun 2, 2021 20:37	5,000	537,007,479	14,001,000	2,000,000	2,281,472
6	Jun 2, 2021 20:37	5,000	541,670,729	14,000,000	2,000,000	2,273,280
7	Jun 2, 2021 20:37	5,001	545,510,436	14,004,000	2,000,000	2,273,280
8	Jun 2, 2021 20:37	5,002	542,431,848	14,006,000	2,000,000	2,281,472
9	Jun 2, 2021 20:37	5,002	551,267,818	15,007,000	1,000,000	2,281,472
10	Jun 2, 2021 20:37	5,003	543,959,772	14,009,000	2,001,000	2,273,280
11	Jun 2, 2021 20:37	5,004	540,000,706	14,012,000	2,001,000	2,273,280
12	Jun 2, 2021 20:37	5,004	540,694,459	14,013,000	2,001,000	2,273,280
13	Jun 2, 2021 20:37	5,006	537,545,424	14,016,000	2,002,000	2,281,472
14	Jun 2, 2021 20:37	5,007	540,107,510	15,021,000	1,001,000	2,273,280
15	Jun 2, 2021 20:37	5,015	539,292,840	14,043,000	2,006,000	2,273,280
16	Jun 2, 2021 20:37	5,016	541,702,498	14,044,000	2,006,000	2,273,280
17	Jun 2, 2021 20:37	5,018	542,341,374	15,056,000	1,003,000	2,273,280
18	Jun 2, 2021 20:37	5,018	538,501,777	14,050,000	2,007,000	2,281,472
19	Jun 2, 2021 20:37	5,021	540,190,411	14,060,000	2,008,000	2,273,280
20	Jun 2, 2021 20:37	5,023	543,344,944	16,074,000	0	2,281,472
21	Jun 2, 2021 20:37	5,026	539,106,743	14,072,000	2,010,000	2,281,472
22	Jun 2, 2021 20:37	5,026	544,246,580	14,072,000	2,010,000	2,273,280
23	Jun 2, 2021 20:37	5,026	538,937,905	14,074,000	2,010,000	2,273,280
24	Jun 2, 2021 20:37	5,028	541,575,445	15,085,000	1,005,000	2,281,472
25	Jun 2, 2021 20:37	5,032	538,917,705	15,095,000	1,006,000	2,273,280
26	Jun 2, 2021 20:37	5,038	537,255,108	15,114,000	1,007,000	2,281,472
27	Jun 2, 2021 20:37	5,042	541,299,876	15,125,000	1,008,000	2,281,472
28	Jun 2, 2021 20:37	5,044	538,050,144	14,124,000	2,017,000	2,281,472
29	Jun 2, 2021 20:37	5,048	537,850,102	15,145,000	1,009,000	2,281,472
30	Jun 2, 2021 20:37	5,048	540,320,343	15,144,000	1,009,000	2,273,280
31	Jun 2, 2021 20:37	5,050	541,764,691	14,140,000	2,020,000	2,281,472
32	Jun 2, 2021 20:37	5,055	538,355,036	15,165,000	1,011,000	2,281,472
33	Jun 2, 2021 20:37	5,063	541,021,194	15,188,000	1,012,000	2,281,472
34	Jun 2, 2021 20:37	5,065	539,593,956	15,195,000	1,013,000	2,273,280
35	Jun 2, 2021 20:37	5,065	543,429,739	15,196,000	1,013,000	2,273,280
36	Jun 2, 2021 20:37	5,069	539,397,254	14,193,000	2,027,000	2,281,472
37	Jun 2, 2021 20:37	5,153	569,905,521	16,490,646	0	2,252,800
38	Jun 2, 2021 20:37	5,155	571,740,510	16,496,427	0	2,289,664
39	Jun 2, 2021 20:37	5,159	582,158,460	16,507,228	0	2,289,664
40	Jun 2, 2021 20:37	5,161	570,436,068	16,514,686	0	2,301,952
41	Jun 2, 2021 20:37	5,171	579,316,115	16,546,179	0	2,293,760
42	Jun 2, 2021 20:37	5,174	596,894,700	16,555,474	0	2,293,760
43	Jun 2, 2021 20:37	5,182	580,344,893	16,580,989	0	2,289,664
44	Jun 2, 2021 20:37	5,183	577,175,428	16,585,040	0	2,285,568
45	Jun 2, 2021 20:37	5,191	572,623,131	16,609,858	0	2,289,664
46	Jun 2, 2021 20:37	5,211	579,896,208	16,675,010	0	2,281,472
47	Jun 2, 2021 20:37	5,213	574,439,802	16,681,655	0	2,256,896
48	Jun 2, 2021 20:37	5,260	572,182,634	16,831,315	0	2,256,896

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1