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: 4,348Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 28, 2026 13:19	4,326	30,532,671	12,855,000	988,000	2,281,472
2	Mar 28, 2026 13:20	4,328	38,973,315	12,862,000	989,000	2,506,752
3	Mar 28, 2026 13:20	4,331	27,313,235	12,869,000	989,000	2,498,560
4	Mar 28, 2026 13:21	4,332	29,209,236	12,873,000	990,000	2,490,368
5	Mar 28, 2026 13:20	4,334	38,479,800	12,879,000	990,000	2,502,656
6	Mar 28, 2026 13:21	4,336	29,912,242	12,885,000	991,000	2,498,560
7	Mar 28, 2026 13:20	4,338	38,606,304	13,882,000	0	2,494,464
8	Mar 28, 2026 13:21	4,338	37,147,627	13,883,000	0	2,281,472
9	Mar 28, 2026 13:20	4,338	27,902,433	12,889,000	991,000	2,494,464
10	Mar 28, 2026 13:22	4,340	35,186,102	13,889,000	0	2,494,464
11	Mar 28, 2026 13:20	4,340	38,612,058	12,897,000	992,000	2,281,472
12	Mar 28, 2026 13:21	4,341	40,411,288	12,898,000	992,000	2,498,560
13	Mar 28, 2026 13:21	4,341	28,071,613	12,898,000	992,000	2,494,464
14	Mar 28, 2026 13:20	4,341	33,886,880	12,898,000	992,000	2,281,472
15	Mar 28, 2026 13:21	4,342	40,066,235	12,903,000	992,000	2,281,472
16	Mar 28, 2026 13:21	4,343	35,098,141	12,904,000	992,000	2,494,464
17	Mar 28, 2026 13:21	4,343	31,315,072	12,905,000	992,000	2,281,472
18	Mar 28, 2026 13:21	4,344	31,647,389	12,908,000	992,000	2,502,656
19	Mar 28, 2026 13:20	4,346	29,863,579	12,914,000	993,000	2,281,472
20	Mar 28, 2026 13:22	4,347	29,246,453	12,917,000	993,000	2,494,464
21	Mar 28, 2026 13:19	4,347	32,159,731	12,918,000	993,000	2,281,472
22	Mar 28, 2026 13:21	4,348	34,635,475	12,921,000	993,000	2,281,472
23	Mar 28, 2026 13:20	4,348	32,878,455	12,919,000	993,000	2,281,472
24	Mar 28, 2026 13:20	4,348	30,161,939	11,926,000	1,987,000	2,490,368
25	Mar 28, 2026 13:22	4,349	42,427,132	12,922,000	994,000	2,498,560
26	Mar 28, 2026 13:20	4,350	38,893,807	12,926,000	994,000	2,490,368
27	Mar 28, 2026 13:19	4,353	29,159,545	12,935,000	995,000	2,486,272
28	Mar 28, 2026 13:21	4,356	39,103,901	12,944,000	995,000	2,281,472
29	Mar 28, 2026 13:20	4,360	36,298,219	12,957,000	996,000	2,494,464
30	Mar 28, 2026 13:22	4,361	36,537,479	12,959,000	996,000	2,502,656
31	Mar 28, 2026 13:22	4,361	38,052,650	12,958,000	996,000	2,281,472
32	Mar 28, 2026 13:20	4,361	26,232,082	12,960,000	996,000	2,490,368
33	Mar 28, 2026 13:21	4,361	29,288,094	11,961,000	1,993,000	2,281,472
34	Mar 28, 2026 13:20	4,364	31,590,106	12,969,000	997,000	2,490,368
35	Mar 28, 2026 13:21	4,364	24,785,514	12,969,000	997,000	2,281,472
36	Mar 28, 2026 13:21	4,373	36,658,559	12,993,000	999,000	2,281,472
37	Mar 28, 2026 13:20	4,374	27,161,756	12,999,000	999,000	2,494,464
38	Mar 28, 2026 13:21	4,375	28,781,511	13,001,000	1,000,000	2,281,472
39	Mar 28, 2026 13:20	4,378	25,213,873	13,011,000	1,000,000	2,281,472
40	Mar 28, 2026 13:22	4,380	37,591,725	13,014,000	1,001,000	2,281,472
41	Mar 28, 2026 13:21	4,384	32,798,770	13,028,000	1,002,000	2,281,472
42	Mar 28, 2026 13:21	4,386	38,304,520	13,033,000	1,002,000	2,490,368
43	Mar 28, 2026 13:20	4,386	32,118,805	12,031,000	2,005,000	2,494,464
44	Mar 28, 2026 13:21	4,388	31,218,292	13,038,000	1,002,000	2,273,280
45	Mar 28, 2026 13:20	4,417	27,699,325	12,115,000	2,019,000	2,494,464

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