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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Score: 4,344

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 26, 2024 15:54	4,257	38,026,329	13,621,000	0	2,498,560
2	Aug 26, 2024 15:53	4,257	28,657,445	13,623,000	0	2,490,368
3	Aug 26, 2024 15:54	4,258	27,480,349	13,625,000	0	2,498,560
4	Aug 26, 2024 15:53	4,259	35,041,931	13,630,000	0	2,277,376
5	Aug 26, 2024 15:53	4,260	30,655,654	13,631,000	0	2,277,376
6	Aug 26, 2024 15:53	4,264	40,829,670	13,645,000	0	2,490,368
7	Aug 26, 2024 15:53	4,265	30,043,357	13,649,000	0	2,490,368
8	Aug 26, 2024 15:54	4,266	32,084,633	13,652,000	0	2,498,560
9	Aug 26, 2024 15:53	4,269	39,610,409	13,662,000	0	2,535,424
10	Aug 26, 2024 15:54	4,269	29,266,004	13,662,000	0	2,277,376
11	Aug 26, 2024 15:53	4,272	30,588,334	13,669,000	0	2,277,376
12	Aug 26, 2024 15:54	4,273	33,069,900	13,674,000	0	2,498,560
13	Aug 26, 2024 15:53	4,274	30,441,552	13,678,000	0	2,494,464
14	Aug 26, 2024 15:54	4,274	37,535,440	13,678,000	0	2,498,560
15	Aug 26, 2024 15:54	4,275	33,565,341	13,679,000	0	2,502,656
16	Aug 26, 2024 15:53	4,279	35,175,364	13,692,000	0	2,277,376
17	Aug 26, 2024 15:54	4,279	37,814,462	13,693,000	0	2,494,464
18	Aug 26, 2024 15:54	4,279	30,659,501	13,693,000	0	2,498,560
19	Aug 26, 2024 15:54	4,293	33,387,737	13,739,000	0	2,494,464
20	Aug 26, 2024 15:54	4,293	31,790,259	13,737,000	0	2,277,376
21	Aug 26, 2024 15:54	4,293	33,646,714	13,737,000	0	2,277,376
22	Aug 26, 2024 15:54	4,332	33,539,944	12,873,000	990,000	2,498,560
23	Aug 26, 2024 15:54	4,333	39,865,728	12,877,000	990,000	2,277,376
24	Aug 26, 2024 15:54	4,335	27,646,919	13,873,000	0	2,498,560
25	Aug 26, 2024 15:54	4,336	34,711,195	12,885,000	991,000	2,277,376
26	Aug 26, 2024 15:54	4,336	26,802,387	12,883,000	991,000	2,277,376
27	Aug 26, 2024 15:54	4,336	43,246,247	12,885,000	991,000	2,498,560
28	Aug 26, 2024 15:54	4,337	34,559,478	13,878,000	0	2,273,280
29	Aug 26, 2024 15:54	4,337	28,719,786	12,888,000	991,000	2,277,376
30	Aug 26, 2024 15:54	4,337	26,847,679	12,887,000	991,000	2,277,376
31	Aug 26, 2024 15:54	4,338	31,174,714	12,891,000	991,000	2,277,376
32	Aug 26, 2024 15:54	4,340	29,883,882	12,897,000	992,000	2,277,376
33	Aug 26, 2024 15:54	4,340	31,115,069	12,896,000	992,000	2,277,376
34	Aug 26, 2024 15:54	4,340	32,684,194	12,897,000	992,000	2,494,464
35	Aug 26, 2024 15:55	4,341	31,800,016	12,898,000	992,000	2,498,560
36	Aug 26, 2024 15:55	4,343	35,197,567	12,904,000	992,000	2,490,368
37	Aug 26, 2024 15:54	4,344	28,565,172	12,909,000	993,000	2,277,376
38	Aug 26, 2024 15:55	4,347	34,820,268	12,917,000	993,000	2,277,376
39	Aug 26, 2024 15:55	4,348	35,739,062	13,913,000	0	2,498,560
40	Aug 26, 2024 15:55	4,349	29,768,453	12,924,000	994,000	2,502,656
41	Aug 26, 2024 15:55	4,352	34,372,794	13,926,000	0	2,494,464
42	Aug 26, 2024 15:55	4,356	30,739,374	12,944,000	995,000	2,498,560
43	Aug 26, 2024 15:55	4,358	32,029,669	12,948,000	996,000	2,273,280
44	Aug 26, 2024 15:54	4,358	37,787,521	11,955,000	1,992,000	2,277,376
45	Aug 26, 2024 15:55	4,363	25,760,254	12,963,000	997,000	2,494,464
46	Aug 26, 2024 15:55	4,365	31,449,375	12,970,000	997,000	2,535,424
47	Aug 26, 2024 15:55	4,373	29,543,429	12,996,000	999,000	2,277,376
48	Aug 26, 2024 15:55	4,377	36,171,189	13,005,000	1,000,000	2,498,560
49	Aug 26, 2024 15:55	4,381	31,954,412	13,019,000	1,001,000	2,535,424
50	Aug 26, 2024 15:55	4,381	32,427,635	13,019,000	1,001,000	2,277,376
51	Aug 26, 2024 15:55	4,385	35,377,860	13,030,000	1,002,000	2,277,376
52	Aug 26, 2024 15:55	4,389	34,831,521	13,042,000	1,003,000	2,498,560
53	Aug 26, 2024 15:55	4,398	26,069,298	13,067,000	1,005,000	2,273,280
54	Aug 26, 2024 15:55	4,399	33,610,705	13,073,000	1,005,000	2,277,376
55	Aug 26, 2024 15:53	4,524	56,130,878	14,476,202	0	2,260,992
56	Aug 26, 2024 15:54	4,542	93,144,664	14,533,626	0	2,367,488
57	Aug 26, 2024 15:54	4,546	63,853,384	14,546,015	0	2,375,680
58	Aug 26, 2024 15:53	4,550	43,165,128	14,558,921	0	2,367,488
59	Aug 26, 2024 15:53	4,550	90,228,583	14,558,555	0	2,236,416
60	Aug 26, 2024 15:54	4,558	72,549,356	14,587,083	0	2,367,488
61	Aug 26, 2024 15:54	4,561	58,686,641	14,595,392	0	2,371,584
62	Aug 26, 2024 15:54	4,573	64,173,630	14,635,195	0	2,375,680
63	Aug 26, 2024 15:54	4,575	92,165,748	14,640,791	0	2,244,608
64	Aug 26, 2024 15:54	4,597	85,295,940	14,708,813	0	2,240,512
65	Aug 26, 2024 15:54	4,607	93,274,314	14,741,866	0	2,244,608
66	Aug 26, 2024 15:55	4,613	82,061,290	14,761,487	0	2,260,992
67	Aug 26, 2024 15:55	4,618	80,499,464	14,777,214	0	2,379,776
68	Aug 26, 2024 15:55	4,625	101,286,177	14,801,296	0	2,256,896
69	Aug 26, 2024 15:54	4,629	79,215,009	14,812,731	0	2,236,416
70	Aug 26, 2024 15:55	4,637	72,630,052	14,837,245	0	2,375,680
71	Aug 26, 2024 15:55	4,674	71,614,639	14,955,328	0	2,240,512
72	Aug 26, 2024 15:55	4,700	84,767,142	15,039,164	0	2,383,872

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