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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Ben

Score: 4,560

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 30, 2024 03:15	4,524	30,322,215	13,443,000	1,034,000	2,392,064
2	Jul 28, 2024 12:47	4,524	34,291,606	14,476,000	0	2,527,232
3	Jul 30, 2024 04:11	4,529	31,882,456	13,459,000	1,035,000	2,396,160
4	Jul 30, 2024 04:11	4,531	35,313,669	14,498,000	0	2,265,088
5	Jul 28, 2024 12:47	4,536	31,336,628	14,516,000	0	2,498,560
6	Jul 28, 2024 12:47	4,537	35,844,595	14,517,000	0	2,265,088
7	Jul 30, 2024 03:15	4,538	41,314,742	13,483,000	1,037,000	2,527,232
8	Jul 28, 2024 13:23	4,539	36,227,682	14,524,000	0	2,265,088
9	Jul 30, 2024 04:11	4,542	37,830,848	13,497,000	1,038,000	2,387,968
10	Jul 28, 2024 13:23	4,544	44,418,454	12,603,000	1,939,000	2,265,088
11	Jul 30, 2024 03:15	4,546	30,221,693	13,509,000	1,039,000	2,383,872
12	Jul 28, 2024 12:47	4,547	36,865,026	14,550,000	0	2,379,776
13	Jul 30, 2024 03:15	4,547	30,359,950	14,550,000	0	2,502,656
14	Jul 28, 2024 13:23	4,547	35,135,103	13,512,000	1,039,000	2,392,064
15	Jul 28, 2024 12:47	4,548	31,162,135	14,554,000	0	2,502,656
16	Jul 28, 2024 12:47	4,548	30,855,336	13,515,000	1,039,000	2,392,064
17	Jul 28, 2024 13:23	4,552	34,158,864	13,526,000	1,040,000	2,265,088
18	Jul 28, 2024 13:23	4,554	35,948,121	14,573,000	0	2,265,088
19	Jul 28, 2024 13:23	4,555	34,523,588	14,577,000	0	2,523,136
20	Jul 30, 2024 03:15	4,557	33,649,227	14,582,000	0	2,265,088
21	Jul 30, 2024 04:11	4,558	31,226,795	14,586,000	0	2,502,656
22	Jul 28, 2024 12:47	4,558	31,205,646	14,586,000	0	2,265,088
23	Jul 30, 2024 03:15	4,559	30,677,348	13,547,000	1,042,000	2,260,992
24	Jul 30, 2024 03:15	4,559	34,843,558	14,590,000	0	2,265,088
25	Jul 30, 2024 03:15	4,560	43,061,551	14,592,000	0	2,527,232
26	Jul 28, 2024 12:47	4,560	32,099,689	14,592,000	0	2,265,088
27	Jul 28, 2024 12:47	4,566	43,314,418	13,568,000	1,043,000	2,260,992
28	Jul 28, 2024 13:23	4,567	45,278,490	14,613,000	0	2,527,232
29	Jul 28, 2024 13:23	4,567	35,092,990	13,570,000	1,043,000	2,265,088
30	Jul 30, 2024 04:11	4,571	35,694,574	13,583,000	1,044,000	2,265,088
31	Jul 30, 2024 04:11	4,575	33,072,959	13,595,000	1,045,000	2,265,088
32	Jul 30, 2024 04:11	4,580	34,744,941	14,655,000	0	2,392,064
33	Jul 30, 2024 03:15	4,584	33,678,573	14,668,000	0	2,392,064
34	Jul 30, 2024 04:11	4,588	42,089,702	13,635,000	1,048,000	2,527,232
35	Jul 30, 2024 04:11	4,591	41,853,975	14,692,000	0	2,265,088
36	Jul 28, 2024 12:47	4,767	88,629,364	15,253,066	0	2,281,472
37	Jul 28, 2024 12:47	4,775	89,620,353	15,279,498	0	2,289,664
38	Jul 30, 2024 04:11	4,788	91,516,734	15,320,940	0	2,289,664
39	Jul 28, 2024 12:47	4,791	83,838,737	15,332,452	0	2,285,568
40	Jul 28, 2024 13:23	4,797	97,863,652	15,351,585	0	2,285,568
41	Jul 28, 2024 13:23	4,800	71,918,467	15,361,550	0	2,293,760
42	Jul 30, 2024 03:15	4,802	81,777,995	15,365,884	0	2,244,608
43	Jul 30, 2024 04:11	4,805	84,424,552	15,376,933	0	2,281,472
44	Jul 30, 2024 03:15	4,816	67,007,463	15,409,803	0	2,289,664
45	Jul 28, 2024 13:23	4,817	78,183,628	15,414,299	0	2,297,856
46	Jul 30, 2024 03:15	4,824	84,321,832	15,435,803	0	2,289,664
47	Jul 30, 2024 04:11	4,850	81,816,861	15,519,175	0	2,289,664
48	Jul 28, 2024 13:23	5,148	50,914,072	15,445,000	1,029,000	2,265,088

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