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.

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olliecrowScore: 4,354Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 28, 2026 11:37	4,320	26,704,333	12,837,000	987,000	2,277,376
2	Mar 28, 2026 11:37	4,323	28,974,192	13,833,000	0	2,498,560
3	Mar 28, 2026 11:37	4,332	31,820,057	13,862,000	0	2,498,560
4	Mar 28, 2026 11:37	4,336	31,473,044	13,875,000	0	2,494,464
5	Mar 28, 2026 11:37	4,337	29,002,772	12,886,000	991,000	2,490,368
6	Mar 28, 2026 11:37	4,338	30,758,530	12,890,000	991,000	2,494,464
7	Mar 28, 2026 11:37	4,340	37,696,539	12,897,000	992,000	2,277,376
8	Mar 28, 2026 11:37	4,341	31,073,749	12,898,000	992,000	2,494,464
9	Mar 28, 2026 11:37	4,341	34,616,559	13,891,000	0	2,498,560
10	Mar 28, 2026 11:37	4,341	31,960,623	12,899,000	992,000	2,498,560
11	Mar 28, 2026 11:37	4,343	31,427,376	12,905,000	992,000	2,277,376
12	Mar 28, 2026 11:37	4,343	35,282,202	13,899,000	0	2,277,376
13	Mar 28, 2026 11:37	4,344	34,724,070	12,908,000	992,000	2,494,464
14	Mar 28, 2026 11:37	4,344	30,068,655	12,908,000	992,000	2,498,560
15	Mar 28, 2026 11:37	4,345	39,371,959	13,903,000	0	2,490,368
16	Mar 28, 2026 11:37	4,345	39,486,633	12,911,000	993,000	2,494,464
17	Mar 28, 2026 11:37	4,346	31,039,093	13,907,000	0	2,498,560
18	Mar 28, 2026 11:37	4,348	29,898,695	13,913,000	0	2,498,560
19	Mar 28, 2026 11:37	4,348	34,909,477	12,921,000	993,000	2,498,560
20	Mar 28, 2026 11:37	4,349	29,366,079	12,924,000	994,000	2,502,656
21	Mar 28, 2026 11:37	4,352	38,048,993	13,925,000	0	2,498,560
22	Mar 28, 2026 11:37	4,353	31,826,563	12,935,000	995,000	2,490,368
23	Mar 28, 2026 11:37	4,354	31,470,685	12,939,000	995,000	2,535,424
24	Mar 28, 2026 11:37	4,356	32,499,544	11,948,000	1,991,000	2,490,368
25	Mar 28, 2026 11:37	4,357	29,721,661	12,947,000	995,000	2,502,656
26	Mar 28, 2026 11:37	4,358	30,490,532	12,948,000	996,000	2,490,368
27	Mar 28, 2026 11:37	4,359	29,418,771	12,954,000	996,000	2,277,376
28	Mar 28, 2026 11:37	4,360	31,456,425	12,956,000	996,000	2,277,376
29	Mar 28, 2026 11:37	4,361	27,401,432	11,961,000	1,993,000	2,494,464
30	Mar 28, 2026 11:37	4,361	29,028,399	12,960,000	996,000	2,498,560
31	Mar 28, 2026 11:37	4,362	43,268,497	11,965,000	1,994,000	2,494,464
32	Mar 28, 2026 11:37	4,363	33,923,076	12,965,000	997,000	2,277,376
33	Mar 28, 2026 11:37	4,363	32,687,645	12,963,000	997,000	2,277,376
34	Mar 28, 2026 11:37	4,365	36,337,395	12,971,000	997,000	2,494,464
35	Mar 28, 2026 11:37	4,368	29,435,673	12,979,000	998,000	2,494,464
36	Mar 28, 2026 11:37	4,370	28,233,370	12,985,000	998,000	2,502,656
37	Mar 28, 2026 11:37	4,373	32,514,024	11,995,000	1,999,000	2,277,376
38	Mar 28, 2026 11:37	4,373	26,068,516	12,995,000	999,000	2,277,376
39	Mar 28, 2026 11:37	4,376	32,918,805	13,003,000	1,000,000	2,277,376
40	Mar 28, 2026 11:37	4,380	30,247,722	14,015,000	0	2,494,464
41	Mar 28, 2026 11:37	4,382	30,821,781	13,022,000	1,001,000	2,494,464
42	Mar 28, 2026 11:37	4,392	33,342,665	12,046,000	2,007,000	2,498,560
43	Mar 28, 2026 11:37	4,402	35,280,357	12,073,000	2,012,000	2,277,376
44	Mar 28, 2026 11:37	4,462	31,367,876	14,277,000	0	2,498,560
45	Mar 28, 2026 11:37	4,968	36,844,560	13,910,000	1,987,000	2,277,376

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