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.

Back to listJul 19, 2024 10:28

Matt Stuchlik

Score: 5,334

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 19, 2024 10:28	5,281	44,737,963	15,844,000	1,056,000	2,289,664
2	Jul 19, 2024 10:28	5,282	41,133,974	14,915,000	1,988,000	2,273,280
3	Jul 19, 2024 10:28	5,293	44,399,338	14,944,000	1,992,000	2,289,664
4	Jul 19, 2024 10:28	5,298	38,852,773	14,961,000	1,994,000	2,273,280
5	Jul 19, 2024 10:28	5,298	35,427,419	14,958,000	1,994,000	2,269,184
6	Jul 19, 2024 10:28	5,301	34,264,725	14,969,000	1,995,000	2,289,664
7	Jul 19, 2024 10:28	5,301	43,812,901	14,969,000	1,995,000	2,289,664
8	Jul 19, 2024 10:28	5,303	43,239,940	14,973,000	1,996,000	2,289,664
9	Jul 19, 2024 10:28	5,303	42,328,339	14,975,000	1,996,000	2,289,664
10	Jul 19, 2024 10:28	5,304	35,876,131	14,976,000	1,996,000	2,289,664
11	Jul 19, 2024 10:28	5,305	40,578,497	14,979,000	1,997,000	2,523,136
12	Jul 19, 2024 10:28	5,307	40,220,550	14,985,000	1,998,000	2,289,664
13	Jul 19, 2024 10:28	5,308	38,130,467	14,987,000	1,998,000	2,289,664
14	Jul 19, 2024 10:28	5,308	40,934,076	14,988,000	1,998,000	2,289,664
15	Jul 19, 2024 10:28	5,309	41,647,319	14,991,000	1,998,000	2,273,280
16	Jul 19, 2024 10:28	5,310	42,251,238	14,993,000	1,999,000	2,289,664
17	Jul 19, 2024 10:28	5,310	33,799,626	14,994,000	1,999,000	2,269,184
18	Jul 19, 2024 10:28	5,310	43,472,501	14,993,000	1,999,000	2,289,664
19	Jul 19, 2024 10:28	5,316	41,106,436	15,009,000	2,001,000	2,265,088
20	Jul 19, 2024 10:28	5,318	39,520,238	15,017,000	2,002,000	2,265,088
21	Jul 19, 2024 10:28	5,322	36,238,780	15,026,000	2,003,000	2,289,664
22	Jul 19, 2024 10:28	5,326	39,338,272	15,038,000	2,005,000	2,523,136
23	Jul 19, 2024 10:28	5,333	39,602,686	15,059,000	2,007,000	2,289,664
24	Jul 19, 2024 10:28	5,333	42,894,136	15,057,000	2,007,000	2,277,376
25	Jul 19, 2024 10:28	5,334	42,173,649	15,061,000	2,008,000	2,289,664
26	Jul 19, 2024 10:28	5,337	32,284,266	16,073,000	1,004,000	2,289,664
27	Jul 19, 2024 10:28	5,337	37,555,956	15,068,000	2,009,000	2,289,664
28	Jul 19, 2024 10:28	5,345	36,610,141	15,091,000	2,012,000	2,269,184
29	Jul 19, 2024 10:28	5,345	35,373,949	15,092,000	2,012,000	2,289,664
30	Jul 19, 2024 10:28	5,347	40,261,875	15,097,000	2,012,000	2,531,328
31	Jul 19, 2024 10:28	5,348	40,503,397	15,101,000	2,013,000	2,285,568
32	Jul 19, 2024 10:28	5,349	33,439,195	15,103,000	2,013,000	2,289,664
33	Jul 19, 2024 10:28	5,351	44,708,372	15,110,000	2,014,000	2,367,488
34	Jul 19, 2024 10:28	5,353	43,691,847	16,124,000	1,007,000	2,277,376
35	Jul 19, 2024 10:28	5,357	41,301,199	15,125,000	2,016,000	2,269,184
36	Jul 19, 2024 10:28	5,366	35,985,571	16,160,000	1,010,000	2,289,664
37	Jul 19, 2024 10:28	5,536	75,355,146	17,715,979	0	2,289,664
38	Jul 19, 2024 10:28	5,538	89,239,117	17,721,560	0	2,281,472
39	Jul 19, 2024 10:28	5,566	84,935,413	17,812,428	0	2,289,664
40	Jul 19, 2024 10:28	5,570	94,621,165	17,822,617	0	2,281,472
41	Jul 19, 2024 10:28	5,579	80,481,764	17,851,920	0	2,256,896
42	Jul 19, 2024 10:28	5,592	78,045,513	17,893,669	0	2,297,856
43	Jul 19, 2024 10:28	5,602	64,296,396	17,926,380	0	2,297,856
44	Jul 19, 2024 10:28	5,607	74,249,997	17,941,810	0	2,285,568
45	Jul 19, 2024 10:28	5,609	71,905,419	17,948,143	0	2,289,664
46	Jul 19, 2024 10:28	5,610	68,983,110	17,952,067	0	2,289,664
47	Jul 19, 2024 10:28	5,614	63,466,601	17,966,154	0	2,289,664
48	Jul 19, 2024 10:28	5,627	64,304,474	18,006,639	0	2,285,568

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