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 13:36	4,329	38,134,638	12,863,000	989,000	2,498,560
2	Mar 28, 2026 13:36	4,335	25,876,986	12,882,000	990,000	2,490,368
3	Mar 28, 2026 13:35	4,336	29,628,461	11,892,000	1,982,000	2,494,464
4	Mar 28, 2026 13:36	4,338	29,335,397	12,890,000	991,000	2,498,560
5	Mar 28, 2026 13:35	4,338	31,755,469	12,889,000	991,000	2,494,464
6	Mar 28, 2026 13:35	4,338	29,237,253	12,889,000	991,000	2,490,368
7	Mar 28, 2026 13:35	4,338	35,546,770	12,890,000	991,000	2,281,472
8	Mar 28, 2026 13:36	4,338	29,530,872	12,889,000	991,000	2,490,368
9	Mar 28, 2026 13:36	4,339	36,771,086	12,894,000	991,000	2,281,472
10	Mar 28, 2026 13:36	4,339	30,795,167	12,893,000	991,000	2,281,472
11	Mar 28, 2026 13:36	4,339	31,779,826	12,894,000	991,000	2,486,272
12	Mar 28, 2026 13:36	4,339	33,738,334	12,895,000	991,000	2,498,560
13	Mar 28, 2026 13:36	4,339	28,558,225	13,886,000	0	2,281,472
14	Mar 28, 2026 13:35	4,340	27,937,670	12,896,000	992,000	2,281,472
15	Mar 28, 2026 13:37	4,341	38,521,506	12,899,000	992,000	2,506,752
16	Mar 28, 2026 13:35	4,341	30,402,237	12,900,000	992,000	2,506,752
17	Mar 28, 2026 13:37	4,342	30,842,521	13,893,000	0	2,498,560
18	Mar 28, 2026 13:37	4,342	27,507,686	12,901,000	992,000	2,506,752
19	Mar 28, 2026 13:36	4,343	27,872,032	13,898,000	0	2,281,472
20	Mar 28, 2026 13:35	4,343	31,858,272	13,898,000	0	2,502,656
21	Mar 28, 2026 13:38	4,343	31,139,270	12,906,000	992,000	2,494,464
22	Mar 28, 2026 13:35	4,343	34,064,730	13,897,000	0	2,494,464
23	Mar 28, 2026 13:35	4,345	30,373,764	12,912,000	993,000	2,494,464
24	Mar 28, 2026 13:35	4,346	27,592,730	13,907,000	0	2,494,464
25	Mar 28, 2026 13:38	4,347	33,973,950	13,910,000	0	2,281,472
26	Mar 28, 2026 13:36	4,347	37,821,390	11,924,000	1,987,000	2,494,464
27	Mar 28, 2026 13:38	4,348	43,776,355	11,927,000	1,987,000	2,494,464
28	Mar 28, 2026 13:36	4,348	41,431,781	12,921,000	993,000	2,494,464
29	Mar 28, 2026 13:37	4,349	30,925,855	13,918,000	0	2,494,464
30	Mar 28, 2026 13:37	4,349	35,970,921	12,924,000	994,000	2,281,472
31	Mar 28, 2026 13:37	4,349	37,001,004	12,923,000	994,000	2,498,560
32	Mar 28, 2026 13:35	4,349	30,627,516	12,922,000	994,000	2,281,472
33	Mar 28, 2026 13:35	4,351	38,500,657	12,930,000	994,000	2,281,472
34	Mar 28, 2026 13:37	4,352	26,572,431	12,932,000	994,000	2,490,368
35	Mar 28, 2026 13:37	4,352	39,706,983	12,933,000	994,000	2,281,472
36	Mar 28, 2026 13:37	4,353	40,369,400	12,934,000	994,000	2,486,272
37	Mar 28, 2026 13:35	4,353	33,723,664	12,934,000	994,000	2,281,472
38	Mar 28, 2026 13:37	4,354	34,491,424	12,937,000	995,000	2,281,472
39	Mar 28, 2026 13:37	4,354	31,871,284	12,938,000	995,000	2,494,464
40	Mar 28, 2026 13:37	4,355	38,969,590	11,945,000	1,990,000	2,281,472
41	Mar 28, 2026 13:36	4,356	30,231,766	12,945,000	995,000	2,490,368
42	Mar 28, 2026 13:37	4,356	29,272,604	12,943,000	995,000	2,281,472
43	Mar 28, 2026 13:37	4,357	36,658,027	11,951,000	1,991,000	2,490,368
44	Mar 28, 2026 13:38	4,357	31,758,135	12,946,000	995,000	2,494,464
45	Mar 28, 2026 13:35	4,358	28,082,057	12,948,000	996,000	2,281,472
46	Mar 28, 2026 13:35	4,358	28,967,451	12,950,000	996,000	2,498,560
47	Mar 28, 2026 13:37	4,358	28,225,505	11,952,000	1,992,000	2,486,272
48	Mar 28, 2026 13:36	4,361	33,790,298	12,960,000	996,000	2,281,472
49	Mar 28, 2026 13:35	4,362	30,728,690	12,961,000	997,000	2,482,176
50	Mar 28, 2026 13:35	4,365	40,013,314	12,971,000	997,000	2,281,472
51	Mar 28, 2026 13:35	4,365	27,640,701	12,970,000	997,000	2,281,472
52	Mar 28, 2026 13:37	4,367	37,452,169	11,977,000	1,996,000	2,494,464
53	Mar 28, 2026 13:38	4,367	27,299,962	12,975,000	998,000	2,281,472
54	Mar 28, 2026 13:36	4,368	30,352,486	12,979,000	998,000	2,281,472
55	Mar 28, 2026 13:36	4,370	29,914,226	12,985,000	998,000	2,281,472
56	Mar 28, 2026 13:37	4,373	30,598,381	12,994,000	999,000	2,281,472
57	Mar 28, 2026 13:37	4,381	29,621,670	12,016,000	2,002,000	2,502,656
58	Mar 28, 2026 13:36	4,382	28,550,331	12,020,000	2,003,000	2,281,472
59	Mar 28, 2026 13:36	4,391	31,251,089	13,049,000	1,003,000	2,506,752
60	Mar 28, 2026 13:38	4,396	28,741,423	13,062,000	1,004,000	2,281,472

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