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 18, 2021 21:39

Andrey Tsvetkov

Score: 5,628

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2021 21:41	5,578	43,325,971	14,874,000	2,974,000	2,342,912
2	Jul 18, 2021 21:40	5,583	42,035,161	17,867,000	0	2,314,240
3	Jul 18, 2021 21:39	5,583	47,331,646	16,873,000	992,000	2,342,912
4	Jul 18, 2021 21:40	5,584	45,837,624	16,877,000	992,000	2,301,952
5	Jul 18, 2021 21:41	5,584	34,196,172	16,876,000	992,000	2,342,912
6	Jul 18, 2021 21:39	5,584	34,335,452	17,869,000	0	2,342,912
7	Jul 18, 2021 21:39	5,585	47,027,826	17,871,000	0	2,310,144
8	Jul 18, 2021 21:41	5,587	47,875,538	15,893,000	1,986,000	2,342,912
9	Jul 18, 2021 21:39	5,587	45,913,171	17,878,000	0	2,314,240
10	Jul 18, 2021 21:39	5,588	46,392,062	15,894,000	1,986,000	2,342,912
11	Jul 18, 2021 21:39	5,588	34,513,155	16,890,000	993,000	2,310,144
12	Jul 18, 2021 21:39	5,589	46,329,256	17,884,000	0	2,342,912
13	Jul 18, 2021 21:39	5,590	43,855,298	16,894,000	993,000	2,342,912
14	Jul 18, 2021 21:39	5,591	46,077,124	16,898,000	994,000	2,306,048
15	Jul 18, 2021 21:39	5,592	48,646,631	17,894,000	0	2,342,912
16	Jul 18, 2021 21:39	5,594	41,421,285	15,913,000	1,989,000	2,318,336
17	Jul 18, 2021 21:40	5,597	46,395,328	15,921,000	1,990,000	2,342,912
18	Jul 18, 2021 21:40	5,600	50,575,921	15,928,000	1,991,000	2,318,336
19	Jul 18, 2021 21:40	5,601	42,428,312	15,931,000	1,991,000	2,428,928
20	Jul 18, 2021 21:40	5,601	40,195,346	16,927,000	995,000	2,310,144
21	Jul 18, 2021 21:41	5,603	45,633,072	15,937,000	1,992,000	2,342,912
22	Jul 18, 2021 21:40	5,603	46,136,885	16,935,000	996,000	2,342,912
23	Jul 18, 2021 21:40	5,605	35,061,472	15,943,000	1,992,000	2,396,160
24	Jul 18, 2021 21:40	5,605	43,786,274	15,944,000	1,993,000	2,342,912
25	Jul 18, 2021 21:39	5,606	41,405,042	16,942,000	996,000	2,437,120
26	Jul 18, 2021 21:40	5,610	38,278,569	15,958,000	1,994,000	2,318,336
27	Jul 18, 2021 21:39	5,614	43,266,850	15,970,000	1,996,000	2,318,336
28	Jul 18, 2021 21:39	5,615	43,864,804	15,972,000	1,996,000	2,314,240
29	Jul 18, 2021 21:39	5,617	43,493,163	15,977,000	1,997,000	2,342,912
30	Jul 18, 2021 21:41	5,618	35,484,624	16,979,000	998,000	2,342,912
31	Jul 18, 2021 21:40	5,618	44,016,510	15,980,000	1,997,000	2,314,240
32	Jul 18, 2021 21:40	5,619	38,411,074	15,984,000	1,998,000	2,342,912
33	Jul 18, 2021 21:39	5,624	39,938,276	16,997,000	999,000	2,310,144
34	Jul 18, 2021 21:40	5,626	44,354,416	16,002,000	2,000,000	2,342,912
35	Jul 18, 2021 21:40	5,626	42,610,862	16,003,000	2,000,000	2,318,336
36	Jul 18, 2021 21:41	5,628	36,327,827	16,008,000	2,001,000	2,342,912
37	Jul 18, 2021 21:40	5,628	41,257,919	17,011,000	1,000,000	2,342,912
38	Jul 18, 2021 21:39	5,629	32,968,635	16,012,000	2,001,000	2,437,120
39	Jul 18, 2021 21:39	5,629	40,124,963	16,013,000	2,001,000	2,342,912
40	Jul 18, 2021 21:39	5,629	50,411,198	16,013,000	2,001,000	2,342,912
41	Jul 18, 2021 21:41	5,630	42,683,242	17,015,000	1,000,000	2,310,144
42	Jul 18, 2021 21:39	5,633	45,944,822	16,022,000	2,002,000	2,342,912
43	Jul 18, 2021 21:39	5,634	46,955,326	16,027,000	2,003,000	2,342,912
44	Jul 18, 2021 21:39	5,635	43,851,873	16,029,000	2,003,000	2,342,912
45	Jul 18, 2021 21:39	5,637	44,599,142	16,033,000	2,004,000	2,318,336
46	Jul 18, 2021 21:39	5,637	67,754,357	18,039,301	0	2,285,568
47	Jul 18, 2021 21:39	5,638	41,715,426	17,038,000	1,002,000	2,314,240
48	Jul 18, 2021 21:41	5,638	44,944,663	17,040,000	1,002,000	2,301,952
49	Jul 18, 2021 21:39	5,639	46,452,145	17,043,000	1,002,000	2,342,912
50	Jul 18, 2021 21:40	5,642	47,332,741	16,049,000	2,006,000	2,342,912
51	Jul 18, 2021 21:39	5,642	41,216,808	16,048,000	2,006,000	2,314,240
52	Jul 18, 2021 21:41	5,646	44,843,937	16,060,000	2,007,000	2,342,912
53	Jul 18, 2021 21:40	5,647	44,048,531	16,063,000	2,007,000	2,342,912
54	Jul 18, 2021 21:39	5,648	44,765,398	17,071,000	1,004,000	2,342,912
55	Jul 18, 2021 21:40	5,653	78,206,163	18,089,253	0	2,281,472
56	Jul 18, 2021 21:39	5,660	112,977,274	18,113,314	0	2,285,568
57	Jul 18, 2021 21:39	5,661	79,087,241	18,116,649	0	2,281,472
58	Jul 18, 2021 21:40	5,662	41,244,676	16,106,000	2,013,000	2,322,432
59	Jul 18, 2021 21:40	5,673	89,451,916	18,153,439	0	2,269,184
60	Jul 18, 2021 21:39	5,682	87,880,499	18,181,313	0	2,281,472
61	Jul 18, 2021 21:41	5,690	81,730,329	18,207,314	0	2,285,568
62	Jul 18, 2021 21:39	5,700	91,505,508	18,239,639	0	2,269,184
63	Jul 18, 2021 21:40	5,702	88,438,593	18,247,644	0	2,265,088
64	Jul 18, 2021 21:41	5,704	88,761,050	18,252,972	0	2,281,472
65	Jul 18, 2021 21:40	5,705	72,301,913	18,256,646	0	2,281,472
66	Jul 18, 2021 21:40	5,708	82,439,757	18,267,090	0	2,281,472
67	Jul 18, 2021 21:40	5,709	79,309,208	18,268,323	0	2,281,472
68	Jul 18, 2021 21:39	5,725	85,966,799	18,318,624	0	2,273,280
69	Jul 18, 2021 21:39	5,727	87,892,267	18,325,657	0	2,273,280
70	Jul 18, 2021 21:39	5,736	86,139,743	18,354,024	0	2,281,472
71	Jul 18, 2021 21:41	5,809	86,631,130	18,588,843	0	2,285,568
72	Jul 18, 2021 21:39	5,814	76,362,296	18,603,375	0	2,277,376

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