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: 4,347Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 28, 2026 13:29	4,327	31,830,461	12,857,000	989,000	2,281,472
2	Mar 28, 2026 13:26	4,332	29,948,129	12,872,000	990,000	2,281,472
3	Mar 28, 2026 13:27	4,333	30,038,163	12,874,000	990,000	2,281,472
4	Mar 28, 2026 13:29	4,334	31,413,549	12,878,000	990,000	2,494,464
5	Mar 28, 2026 13:27	4,334	31,166,250	13,869,000	0	2,494,464
6	Mar 28, 2026 13:29	4,335	30,513,164	12,882,000	990,000	2,478,080
7	Mar 28, 2026 13:27	4,335	29,359,117	13,873,000	0	2,498,560
8	Mar 28, 2026 13:27	4,335	29,029,881	12,881,000	990,000	2,490,368
9	Mar 28, 2026 13:28	4,336	32,425,012	13,874,000	0	2,281,472
10	Mar 28, 2026 13:29	4,337	26,851,413	12,886,000	991,000	2,498,560
11	Mar 28, 2026 13:26	4,337	32,522,894	12,886,000	991,000	2,281,472
12	Mar 28, 2026 13:26	4,337	44,278,781	12,888,000	991,000	2,281,472
13	Mar 28, 2026 13:29	4,337	26,946,744	12,886,000	991,000	2,486,272
14	Mar 28, 2026 13:28	4,338	33,305,482	12,891,000	991,000	2,494,464
15	Mar 28, 2026 13:27	4,338	28,867,600	12,892,000	991,000	2,281,472
16	Mar 28, 2026 13:27	4,338	41,167,216	12,890,000	991,000	2,486,272
17	Mar 28, 2026 13:27	4,339	33,109,375	12,894,000	991,000	2,281,472
18	Mar 28, 2026 13:28	4,340	43,944,382	13,889,000	0	2,502,656
19	Mar 28, 2026 13:27	4,340	38,068,050	12,897,000	992,000	2,498,560
20	Mar 28, 2026 13:27	4,340	28,948,034	11,905,000	1,984,000	2,490,368
21	Mar 28, 2026 13:28	4,340	40,340,475	12,896,000	992,000	2,281,472
22	Mar 28, 2026 13:28	4,341	27,419,638	12,898,000	992,000	2,490,368
23	Mar 28, 2026 13:28	4,342	30,958,364	12,901,000	992,000	2,486,272
24	Mar 28, 2026 13:27	4,342	32,999,603	12,902,000	992,000	2,281,472
25	Mar 28, 2026 13:27	4,343	38,351,989	12,907,000	992,000	2,281,472
26	Mar 28, 2026 13:27	4,344	30,895,988	12,908,000	992,000	2,539,520
27	Mar 28, 2026 13:28	4,344	39,746,572	11,915,000	1,985,000	2,490,368
28	Mar 28, 2026 13:27	4,344	29,544,514	12,909,000	993,000	2,281,472
29	Mar 28, 2026 13:27	4,345	29,513,739	13,903,000	0	2,498,560
30	Mar 28, 2026 13:28	4,347	30,298,820	12,916,000	993,000	2,482,176
31	Mar 28, 2026 13:27	4,347	30,104,267	12,918,000	993,000	2,494,464
32	Mar 28, 2026 13:28	4,348	27,006,476	13,914,000	0	2,490,368
33	Mar 28, 2026 13:29	4,350	31,279,398	13,919,000	0	2,494,464
34	Mar 28, 2026 13:29	4,350	27,650,360	12,926,000	994,000	2,498,560
35	Mar 28, 2026 13:28	4,351	33,097,306	12,929,000	994,000	2,486,272
36	Mar 28, 2026 13:28	4,351	35,554,814	13,922,000	0	2,490,368
37	Mar 28, 2026 13:28	4,352	28,206,519	12,932,000	994,000	2,482,176
38	Mar 28, 2026 13:29	4,356	30,021,689	12,943,000	995,000	2,498,560
39	Mar 28, 2026 13:27	4,356	29,746,059	12,943,000	995,000	2,281,472
40	Mar 28, 2026 13:26	4,357	41,390,047	12,947,000	995,000	2,281,472
41	Mar 28, 2026 13:29	4,358	27,886,914	11,954,000	1,992,000	2,502,656
42	Mar 28, 2026 13:27	4,358	38,694,096	12,950,000	996,000	2,281,472
43	Mar 28, 2026 13:29	4,358	31,135,774	12,949,000	996,000	2,494,464
44	Mar 28, 2026 13:28	4,360	33,057,092	11,958,000	1,993,000	2,281,472
45	Mar 28, 2026 13:26	4,360	30,195,697	12,956,000	996,000	2,281,472
46	Mar 28, 2026 13:28	4,360	30,302,147	12,956,000	996,000	2,494,464
47	Mar 28, 2026 13:29	4,360	30,986,270	11,958,000	1,993,000	2,482,176
48	Mar 28, 2026 13:28	4,363	28,214,055	12,963,000	997,000	2,486,272
49	Mar 28, 2026 13:28	4,363	34,998,200	11,969,000	1,994,000	2,498,560
50	Mar 28, 2026 13:26	4,363	28,072,412	11,966,000	1,994,000	2,535,424
51	Mar 28, 2026 13:27	4,363	27,496,979	11,969,000	1,994,000	2,498,560
52	Mar 28, 2026 13:29	4,363	33,672,661	12,965,000	997,000	2,281,472
53	Mar 28, 2026 13:28	4,364	27,359,023	12,969,000	997,000	2,281,472
54	Mar 28, 2026 13:28	4,365	33,157,133	12,970,000	997,000	2,281,472
55	Mar 28, 2026 13:29	4,369	31,019,234	12,983,000	998,000	2,281,472
56	Mar 28, 2026 13:29	4,373	40,106,344	11,994,000	1,999,000	2,494,464
57	Mar 28, 2026 13:27	4,385	37,531,584	12,028,000	2,004,000	2,281,472
58	Mar 28, 2026 13:29	4,387	26,827,258	12,032,000	2,005,000	2,281,472
59	Mar 28, 2026 13:27	4,396	31,749,164	12,057,000	2,009,000	2,498,560
60	Mar 28, 2026 13:27	4,408	29,520,734	13,097,000	1,007,000	2,281,472

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