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: 4,349Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 28, 2026 13:25	4,324	29,584,579	12,849,000	988,000	2,494,464
2	Mar 28, 2026 13:23	4,330	26,482,074	13,857,000	0	2,281,472
3	Mar 28, 2026 13:24	4,332	29,989,709	11,881,000	1,980,000	2,502,656
4	Mar 28, 2026 13:23	4,333	32,226,526	12,877,000	990,000	2,486,272
5	Mar 28, 2026 13:23	4,334	43,599,002	12,879,000	990,000	2,498,560
6	Mar 28, 2026 13:25	4,335	28,153,091	12,881,000	990,000	2,494,464
7	Mar 28, 2026 13:23	4,336	31,072,474	12,884,000	991,000	2,281,472
8	Mar 28, 2026 13:25	4,337	30,870,466	12,888,000	991,000	2,490,368
9	Mar 28, 2026 13:25	4,337	45,578,277	12,887,000	991,000	2,494,464
10	Mar 28, 2026 13:23	4,337	31,494,357	12,886,000	991,000	2,502,656
11	Mar 28, 2026 13:24	4,339	34,756,490	12,894,000	991,000	2,490,368
12	Mar 28, 2026 13:24	4,339	46,022,877	13,884,000	0	2,494,464
13	Mar 28, 2026 13:23	4,340	29,699,728	12,896,000	992,000	2,494,464
14	Mar 28, 2026 13:24	4,340	34,363,894	12,897,000	992,000	2,498,560
15	Mar 28, 2026 13:24	4,340	30,797,268	12,896,000	992,000	2,498,560
16	Mar 28, 2026 13:24	4,342	33,185,066	12,902,000	992,000	2,281,472
17	Mar 28, 2026 13:24	4,345	29,181,038	12,910,000	993,000	2,281,472
18	Mar 28, 2026 13:23	4,345	28,114,978	13,904,000	0	2,281,472
19	Mar 28, 2026 13:25	4,347	38,220,058	12,917,000	993,000	2,281,472
20	Mar 28, 2026 13:23	4,348	37,106,513	12,921,000	993,000	2,486,272
21	Mar 28, 2026 13:24	4,349	26,957,178	12,924,000	994,000	2,490,368
22	Mar 28, 2026 13:23	4,349	32,004,027	12,923,000	994,000	2,281,472
23	Mar 28, 2026 13:23	4,349	39,461,968	12,924,000	994,000	2,498,560
24	Mar 28, 2026 13:23	4,351	29,181,741	12,930,000	994,000	2,498,560
25	Mar 28, 2026 13:25	4,351	33,302,516	12,930,000	994,000	2,494,464
26	Mar 28, 2026 13:23	4,352	30,204,184	13,926,000	0	2,490,368
27	Mar 28, 2026 13:24	4,353	27,674,038	13,930,000	0	2,281,472
28	Mar 28, 2026 13:24	4,354	35,293,305	12,939,000	995,000	2,281,472
29	Mar 28, 2026 13:23	4,358	29,684,239	12,949,000	996,000	2,281,472
30	Mar 28, 2026 13:25	4,358	46,033,656	11,952,000	1,992,000	2,281,472
31	Mar 28, 2026 13:24	4,358	29,325,126	12,949,000	996,000	2,281,472
32	Mar 28, 2026 13:23	4,359	34,776,672	12,953,000	996,000	2,281,472
33	Mar 28, 2026 13:24	4,362	36,255,281	12,962,000	997,000	2,281,472
34	Mar 28, 2026 13:25	4,362	31,935,477	12,961,000	997,000	2,281,472
35	Mar 28, 2026 13:24	4,363	33,451,651	12,965,000	997,000	2,498,560
36	Mar 28, 2026 13:24	4,364	28,567,775	12,968,000	997,000	2,486,272
37	Mar 28, 2026 13:24	4,365	40,256,301	12,971,000	997,000	2,498,560
38	Mar 28, 2026 13:23	4,365	30,568,164	12,971,000	997,000	2,281,472
39	Mar 28, 2026 13:24	4,365	32,261,320	12,970,000	997,000	2,502,656
40	Mar 28, 2026 13:23	4,365	26,071,973	12,971,000	997,000	2,486,272
41	Mar 28, 2026 13:24	4,370	31,697,608	12,985,000	998,000	2,498,560
42	Mar 28, 2026 13:25	4,370	39,488,101	12,986,000	998,000	2,486,272
43	Mar 28, 2026 13:23	4,371	29,477,401	12,989,000	999,000	2,498,560
44	Mar 28, 2026 13:24	4,380	29,920,921	13,016,000	1,001,000	2,281,472
45	Mar 28, 2026 13:23	4,380	34,521,132	13,015,000	1,001,000	2,494,464

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