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 listMay 16, 2021 18:22

Yuriy Lyfenko

Score: 5,437

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 18:22	5,392	1,397,659,558	17,255,000	0	2,523,136
2	May 16, 2021 18:21	5,400	2,335,257,530	16,320,000	960,000	2,523,136
3	May 16, 2021 18:22	5,401	2,408,338,102	15,362,000	1,920,000	2,527,232
4	May 16, 2021 18:21	5,407	1,776,106,888	16,286,000	1,017,000	2,260,992
5	May 16, 2021 18:22	5,412	764,661,553	17,318,000	0	2,519,040
6	May 16, 2021 18:21	5,412	280,750,024	15,394,000	1,924,000	2,396,160
7	May 16, 2021 18:22	5,413	532,826,925	17,323,000	0	2,523,136
8	May 16, 2021 18:22	5,413	2,154,530,338	15,398,000	1,924,000	2,265,088
9	May 16, 2021 18:22	5,414	3,019,092,390	15,400,000	1,925,000	2,519,040
10	May 16, 2021 18:22	5,414	2,055,458,515	15,400,000	1,925,000	2,523,136
11	May 16, 2021 18:22	5,418	1,794,373,960	14,448,000	2,889,000	2,523,136
12	May 16, 2021 18:22	5,419	1,344,814,617	15,414,000	1,926,000	2,523,136
13	May 16, 2021 18:22	5,423	934,013,388	17,352,000	0	2,523,136
14	May 16, 2021 18:22	5,428	2,283,341,352	16,349,000	1,021,000	2,523,136
15	May 16, 2021 18:21	5,428	1,354,455,043	16,404,000	964,000	2,260,992
16	May 16, 2021 18:22	5,428	3,007,189,538	16,404,000	964,000	2,523,136
17	May 16, 2021 18:22	5,428	155,103,110	15,439,000	1,929,000	2,523,136
18	May 16, 2021 18:22	5,431	2,340,962,386	15,449,000	1,931,000	2,523,136
19	May 16, 2021 18:21	5,432	2,053,262,503	17,381,000	0	2,523,136
20	May 16, 2021 18:22	5,432	306,212,695	16,360,000	1,022,000	2,265,088
21	May 16, 2021 18:22	5,433	2,022,106,481	16,365,000	1,022,000	2,523,136
22	May 16, 2021 18:22	5,435	640,993,335	16,425,000	966,000	2,392,064
23	May 16, 2021 18:22	5,437	1,519,057,708	17,397,000	0	2,519,040
24	May 16, 2021 18:22	5,437	273,730,251	12,282,000	5,117,000	2,265,088
25	May 16, 2021 18:22	5,437	994,632,277	16,431,000	966,000	2,392,064
26	May 16, 2021 18:22	5,438	663,183,411	15,470,000	1,933,000	2,523,136
27	May 16, 2021 18:22	5,438	2,080,965,191	15,470,000	1,933,000	2,260,992
28	May 16, 2021 18:22	5,446	174,879,623	17,428,000	0	2,519,040
29	May 16, 2021 18:21	5,453	750,700,490	17,449,000	0	2,523,136
30	May 16, 2021 18:21	5,454	963,228,763	16,426,000	1,026,000	2,519,040
31	May 16, 2021 18:22	5,455	940,185,572	15,517,000	1,939,000	2,519,040
32	May 16, 2021 18:21	5,456	1,804,744,580	14,549,000	2,909,000	2,519,040
33	May 16, 2021 18:22	5,457	1,046,924,381	16,493,000	970,000	2,265,088
34	May 16, 2021 18:22	5,468	2,336,961,363	16,527,000	972,000	2,260,992
35	May 16, 2021 18:22	5,469	885,966,585	15,557,000	1,944,000	2,519,040
36	May 16, 2021 18:21	5,470	1,414,344,991	15,560,000	1,945,000	2,523,136
37	May 16, 2021 18:22	5,608	1,516,474,787	17,944,452	0	2,285,568
38	May 16, 2021 18:22	5,619	2,226,852,049	17,981,195	0	2,281,472
39	May 16, 2021 18:21	5,622	2,208,214,310	17,989,527	0	2,277,376
40	May 16, 2021 18:22	5,622	1,983,288,298	17,989,215	0	2,285,568
41	May 16, 2021 18:22	5,624	689,445,503	17,995,678	0	2,285,568
42	May 16, 2021 18:22	5,628	1,716,920,616	18,009,289	0	2,281,472
43	May 16, 2021 18:21	5,636	2,291,779,637	18,033,657	0	2,285,568
44	May 16, 2021 18:22	5,638	1,246,987,882	18,042,718	0	2,281,472
45	May 16, 2021 18:22	5,649	2,858,954,576	18,075,296	0	2,281,472
46	May 16, 2021 18:22	5,651	1,356,875,186	18,082,426	0	2,281,472
47	May 16, 2021 18:22	5,652	2,193,195,175	18,085,694	0	2,281,472
48	May 16, 2021 18:21	5,672	2,200,574,266	18,149,300	0	2,277,376

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