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 09:38

Matt Stuchlik

Score: 5,358

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 19, 2024 09:36	5,325	40,668,491	15,036,000	2,004,000	2,265,088
2	Jul 19, 2024 09:36	5,325	44,681,081	15,035,000	2,004,000	2,289,664
3	Jul 19, 2024 09:38	5,328	39,778,426	15,045,000	2,006,000	2,289,664
4	Jul 19, 2024 09:37	5,329	39,276,155	15,046,000	2,006,000	2,289,664
5	Jul 19, 2024 09:37	5,336	40,404,439	16,070,000	1,004,000	2,265,088
6	Jul 19, 2024 09:36	5,337	39,967,063	15,070,000	2,009,000	2,289,664
7	Jul 19, 2024 09:37	5,338	39,560,446	15,074,000	2,009,000	2,289,664
8	Jul 19, 2024 09:38	5,341	34,059,256	16,086,000	1,005,000	2,273,280
9	Jul 19, 2024 09:37	5,343	35,467,965	15,085,000	2,011,000	2,269,184
10	Jul 19, 2024 09:36	5,343	40,940,742	15,086,000	2,011,000	2,523,136
11	Jul 19, 2024 09:37	5,345	42,357,477	16,097,000	1,006,000	2,269,184
12	Jul 19, 2024 09:38	5,346	32,472,431	16,100,000	1,006,000	2,523,136
13	Jul 19, 2024 09:36	5,347	47,770,420	15,097,000	2,012,000	2,289,664
14	Jul 19, 2024 09:38	5,348	37,780,427	15,102,000	2,013,000	2,289,664
15	Jul 19, 2024 09:38	5,349	34,638,666	15,103,000	2,013,000	2,285,568
16	Jul 19, 2024 09:38	5,351	38,252,196	16,117,000	1,007,000	2,265,088
17	Jul 19, 2024 09:37	5,351	40,300,725	15,110,000	2,014,000	2,523,136
18	Jul 19, 2024 09:36	5,353	36,877,326	15,116,000	2,015,000	2,289,664
19	Jul 19, 2024 09:36	5,356	49,814,658	15,122,000	2,016,000	2,289,664
20	Jul 19, 2024 09:38	5,358	39,632,481	15,128,000	2,017,000	2,273,280
21	Jul 19, 2024 09:37	5,363	33,939,558	15,142,000	2,018,000	2,289,664
22	Jul 19, 2024 09:38	5,364	39,072,118	15,145,000	2,019,000	2,383,872
23	Jul 19, 2024 09:37	5,369	34,637,781	15,160,000	2,021,000	2,531,328
24	Jul 19, 2024 09:36	5,370	40,707,798	15,163,000	2,021,000	2,392,064
25	Jul 19, 2024 09:38	5,377	43,084,414	15,182,000	2,024,000	2,531,328
26	Jul 19, 2024 09:37	5,377	44,551,124	15,181,000	2,024,000	2,375,680
27	Jul 19, 2024 09:36	5,385	45,143,667	16,218,000	1,013,000	2,269,184
28	Jul 19, 2024 09:38	5,560	70,387,605	17,792,849	0	2,297,856
29	Jul 19, 2024 09:36	5,586	92,129,577	17,876,415	0	2,297,856
30	Jul 19, 2024 09:37	5,596	82,398,072	17,906,618	0	2,306,048
31	Jul 19, 2024 09:38	5,601	83,924,142	17,923,077	0	2,297,856
32	Jul 19, 2024 09:37	5,602	87,505,006	17,927,432	0	2,174,976
33	Jul 19, 2024 09:38	5,606	65,973,783	17,938,277	0	2,301,952
34	Jul 19, 2024 09:36	5,607	82,578,599	17,941,243	0	2,301,952
35	Jul 19, 2024 09:38	5,615	83,497,121	17,969,230	0	2,174,976
36	Jul 19, 2024 09:38	5,637	73,876,159	18,039,918	0	2,301,952
37	Jul 19, 2024 09:38	5,639	88,031,516	18,043,630	0	2,310,144
38	Jul 19, 2024 09:37	5,652	93,023,576	18,087,035	0	2,301,952
39	Jul 19, 2024 09:36	5,653	92,907,503	18,088,224	0	2,179,072

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