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: 5,283

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 12, 2024 23:36	5,265	37,650,671	14,866,000	1,982,000	2,293,760
2	Jun 12, 2024 23:36	5,268	35,374,172	15,867,000	991,000	2,293,760
3	Jun 12, 2024 23:36	5,268	43,392,960	15,868,000	991,000	2,371,584
4	Jun 12, 2024 23:36	5,268	43,977,152	14,875,000	1,983,000	2,293,760
5	Jun 12, 2024 23:36	5,269	33,518,911	15,871,000	991,000	2,293,760
6	Jun 12, 2024 23:36	5,269	43,221,768	15,869,000	991,000	2,293,760
7	Jun 12, 2024 23:36	5,270	44,506,420	15,873,000	992,000	2,293,760
8	Jun 12, 2024 23:36	5,271	45,706,230	15,875,000	992,000	2,293,760
9	Jun 12, 2024 23:36	5,272	41,376,793	14,885,000	1,984,000	2,367,488
10	Jun 12, 2024 23:36	5,272	41,338,365	15,877,000	992,000	2,293,760
11	Jun 12, 2024 23:36	5,273	44,923,580	15,882,000	992,000	2,371,584
12	Jun 12, 2024 23:36	5,273	42,336,592	15,882,000	992,000	2,293,760
13	Jun 12, 2024 23:36	5,274	47,767,621	15,886,000	992,000	2,293,760
14	Jun 12, 2024 23:36	5,274	42,757,466	15,884,000	992,000	2,293,760
15	Jun 12, 2024 23:36	5,274	41,487,890	15,886,000	992,000	2,379,776
16	Jun 12, 2024 23:36	5,275	45,674,234	15,888,000	993,000	2,293,760
17	Jun 12, 2024 23:36	5,275	41,893,601	16,881,000	0	2,363,392
18	Jun 12, 2024 23:36	5,277	47,111,770	15,893,000	993,000	2,293,760
19	Jun 12, 2024 23:36	5,277	45,813,039	15,892,000	993,000	2,293,760
20	Jun 12, 2024 23:36	5,279	44,544,693	14,906,000	1,987,000	2,293,760
21	Jun 12, 2024 23:36	5,281	48,332,606	14,910,000	1,988,000	2,293,760
22	Jun 12, 2024 23:36	5,282	44,920,423	14,914,000	1,988,000	2,293,760
23	Jun 12, 2024 23:36	5,282	32,310,528	15,909,000	994,000	2,371,584
24	Jun 12, 2024 23:36	5,282	35,692,688	15,909,000	994,000	2,293,760
25	Jun 12, 2024 23:36	5,283	45,925,139	14,916,000	1,988,000	2,371,584
26	Jun 12, 2024 23:36	5,284	42,494,668	14,919,000	1,989,000	2,293,760
27	Jun 12, 2024 23:36	5,284	47,191,637	15,916,000	994,000	2,293,760
28	Jun 12, 2024 23:36	5,285	33,781,377	14,924,000	1,989,000	2,293,760
29	Jun 12, 2024 23:36	5,285	41,302,467	15,918,000	994,000	2,359,296
30	Jun 12, 2024 23:36	5,288	42,818,331	15,928,000	995,000	2,482,176
31	Jun 12, 2024 23:36	5,293	48,156,798	14,944,000	1,992,000	2,293,760
32	Jun 12, 2024 23:36	5,295	41,868,507	14,950,000	1,993,000	2,371,584
33	Jun 12, 2024 23:36	5,297	42,602,034	14,957,000	1,994,000	2,371,584
34	Jun 12, 2024 23:36	5,303	47,308,642	15,970,000	998,000	2,383,872
35	Jun 12, 2024 23:36	5,317	47,339,755	15,012,000	2,001,000	2,293,760
36	Jun 12, 2024 23:36	5,330	45,219,143	15,050,000	2,006,000	2,367,488
37	Jun 12, 2024 23:36	5,486	65,436,586	17,554,871	0	2,244,608
38	Jun 12, 2024 23:36	5,490	85,987,015	17,567,169	0	2,256,896
39	Jun 12, 2024 23:36	5,503	104,386,995	17,610,032	0	2,248,704
40	Jun 12, 2024 23:36	5,504	82,565,395	17,613,898	0	2,244,608
41	Jun 12, 2024 23:36	5,508	80,918,578	17,625,861	0	2,256,896
42	Jun 12, 2024 23:36	5,515	59,526,309	17,648,156	0	2,256,896
43	Jun 12, 2024 23:36	5,548	83,979,412	17,754,462	0	2,244,608
44	Jun 12, 2024 23:36	5,585	68,517,767	17,872,043	0	2,256,896
45	Jun 12, 2024 23:36	5,637	55,723,693	18,038,871	0	2,252,800
46	Jun 12, 2024 23:36	5,653	61,621,227	18,089,524	0	2,256,896
47	Jun 12, 2024 23:36	5,751	62,157,687	18,404,698	0	2,252,800
48	Jun 12, 2024 23:36	5,859	85,503,546	18,748,789	0	2,240,512

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