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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Jul 15, 2024 15:16	0	0	0	0	0	Error: expected "977164 ", got "558157 "	stderr
2	Jul 15, 2024 15:15	4,351	29,362,242	12,930,000	994,000	2,277,376
3	Jul 15, 2024 15:14	4,357	39,441,563	12,947,000	995,000	2,510,848
4	Jul 15, 2024 15:15	4,361	44,424,015	12,960,000	996,000	2,277,376
5	Jul 15, 2024 15:15	4,361	36,188,122	12,959,000	996,000	2,506,752
6	Jul 15, 2024 15:14	4,363	28,707,663	12,966,000	997,000	2,506,752
7	Jul 15, 2024 15:14	4,364	29,234,483	12,969,000	997,000	2,277,376
8	Jul 15, 2024 15:14	4,372	29,706,421	12,992,000	999,000	2,510,848
9	Jul 15, 2024 15:16	4,373	32,728,730	12,993,000	999,000	2,506,752
10	Jul 15, 2024 15:16	4,373	30,222,358	12,993,000	999,000	2,510,848
11	Jul 15, 2024 15:15	4,374	32,420,958	12,998,000	999,000	2,510,848
12	Jul 15, 2024 15:14	4,374	34,843,262	12,998,000	999,000	2,277,376
13	Jul 15, 2024 15:15	4,375	38,742,289	13,001,000	1,000,000	2,277,376
14	Jul 15, 2024 15:15	4,377	46,464,850	13,006,000	1,000,000	2,277,376
15	Jul 15, 2024 15:15	4,378	35,109,894	13,010,000	1,000,000	2,506,752
16	Jul 15, 2024 15:15	4,378	32,779,218	13,008,000	1,000,000	2,277,376
17	Jul 15, 2024 15:16	4,381	34,766,765	13,018,000	1,001,000	2,277,376
18	Jul 15, 2024 15:14	4,381	40,566,439	13,019,000	1,001,000	2,277,376
19	Jul 15, 2024 15:16	4,382	34,551,496	13,021,000	1,001,000	2,506,752
20	Jul 15, 2024 15:14	4,385	36,811,020	13,031,000	1,002,000	2,535,424
21	Jul 15, 2024 15:14	4,386	29,707,022	13,032,000	1,002,000	2,535,424
22	Jul 15, 2024 15:16	4,387	33,970,445	13,037,000	1,002,000	2,506,752
23	Jul 15, 2024 15:16	4,388	30,669,927	13,040,000	1,003,000	2,277,376
24	Jul 15, 2024 15:14	4,389	32,288,556	13,043,000	1,003,000	2,277,376
25	Jul 15, 2024 15:15	4,391	32,822,584	13,048,000	1,003,000	2,506,752
26	Jul 15, 2024 15:16	4,393	40,216,562	13,055,000	1,004,000	2,277,376
27	Jul 15, 2024 15:16	4,400	31,542,593	12,069,000	2,011,000	2,277,376
28	Jul 15, 2024 15:16	4,410	39,459,194	13,105,000	1,008,000	2,506,752
29	Jul 15, 2024 15:14	4,627	65,337,617	14,806,441	0	2,248,704
30	Jul 15, 2024 15:15	4,629	84,228,971	14,813,937	0	2,248,704
31	Jul 15, 2024 15:16	4,632	70,590,507	14,823,210	0	2,248,704
32	Jul 15, 2024 15:14	4,635	63,684,960	14,830,753	0	2,256,896
33	Jul 15, 2024 15:15	4,642	103,874,802	14,853,645	0	2,244,608
34	Jul 15, 2024 15:15	4,643	73,513,812	14,857,400	0	2,244,608
35	Jul 15, 2024 15:16	4,651	92,799,892	14,882,775	0	2,244,608
36	Jul 15, 2024 15:14	4,653	79,767,308	14,888,289	0	2,383,872
37	Jul 15, 2024 15:16	4,671	66,876,605	14,946,024	0	2,379,776

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