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 29, 2021 14:56

Yuriy Lyfenko

Score: 5,052

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 29, 2021 14:55	5,001	33,144,046	14,004,000	2,000,000	2,392,064
2	May 29, 2021 14:55	5,008	32,715,878	14,023,000	2,003,000	2,523,136
3	May 29, 2021 14:55	5,008	48,592,641	14,021,000	2,003,000	2,396,160
4	May 29, 2021 14:55	5,013	42,674,314	14,036,000	2,005,000	2,265,088
5	May 29, 2021 14:55	5,018	33,682,645	14,051,000	2,007,000	2,506,752
6	May 29, 2021 14:55	5,018	42,365,747	14,049,000	2,007,000	2,265,088
7	May 29, 2021 14:55	5,019	43,717,676	14,053,000	2,007,000	2,265,088
8	May 29, 2021 14:55	5,020	36,200,544	14,057,000	2,008,000	2,400,256
9	May 29, 2021 14:55	5,023	44,846,352	15,071,000	1,004,000	2,265,088
10	May 29, 2021 14:55	5,024	42,048,600	15,073,000	1,004,000	2,265,088
11	May 29, 2021 14:55	5,024	32,413,052	15,074,000	1,004,000	2,506,752
12	May 29, 2021 14:55	5,024	47,195,947	14,067,000	2,009,000	2,396,160
13	May 29, 2021 14:56	5,026	45,501,558	15,078,000	1,005,000	2,265,088
14	May 29, 2021 14:55	5,028	32,473,538	14,078,000	2,011,000	2,396,160
15	May 29, 2021 14:55	5,030	32,489,392	15,090,000	1,006,000	2,527,232
16	May 29, 2021 14:56	5,033	43,605,577	14,093,000	2,013,000	2,392,064
17	May 29, 2021 14:55	5,033	40,726,294	15,100,000	1,006,000	2,527,232
18	May 29, 2021 14:55	5,034	41,709,185	15,104,000	1,006,000	2,387,968
19	May 29, 2021 14:55	5,035	40,467,638	15,105,000	1,007,000	2,265,088
20	May 29, 2021 14:55	5,035	40,888,236	15,105,000	1,007,000	2,392,064
21	May 29, 2021 14:56	5,038	33,877,746	14,107,000	2,015,000	2,265,088
22	May 29, 2021 14:55	5,039	37,389,852	15,117,000	1,007,000	2,392,064
23	May 29, 2021 14:55	5,040	36,375,137	15,120,000	1,008,000	2,527,232
24	May 29, 2021 14:55	5,041	37,232,544	15,124,000	1,008,000	2,265,088
25	May 29, 2021 14:55	5,042	35,918,778	14,118,000	2,016,000	2,392,064
26	May 29, 2021 14:56	5,042	48,086,589	14,118,000	2,016,000	2,506,752
27	May 29, 2021 14:55	5,046	35,098,682	14,128,000	2,018,000	2,396,160
28	May 29, 2021 14:56	5,048	31,823,652	15,143,000	1,009,000	2,502,656
29	May 29, 2021 14:55	5,050	40,155,969	15,150,000	1,010,000	2,510,848
30	May 29, 2021 14:55	5,050	37,640,425	15,151,000	1,010,000	2,396,160
31	May 29, 2021 14:56	5,052	32,995,212	14,145,000	2,020,000	2,392,064
32	May 29, 2021 14:55	5,052	32,491,924	15,155,000	1,010,000	2,265,088
33	May 29, 2021 14:55	5,053	41,599,481	14,150,000	2,021,000	2,392,064
34	May 29, 2021 14:56	5,054	32,539,043	14,153,000	2,021,000	2,379,776
35	May 29, 2021 14:55	5,054	35,026,644	14,152,000	2,021,000	2,387,968
36	May 29, 2021 14:55	5,055	42,945,886	15,165,000	1,011,000	2,400,256
37	May 29, 2021 14:55	5,057	39,594,773	14,159,000	2,022,000	2,478,080
38	May 29, 2021 14:56	5,063	35,853,193	15,188,000	1,012,000	2,392,064
39	May 29, 2021 14:55	5,067	38,578,636	15,201,000	1,013,000	2,400,256
40	May 29, 2021 14:55	5,072	34,688,234	14,201,000	2,028,000	2,478,080
41	May 29, 2021 14:55	5,073	42,521,930	15,219,000	1,014,000	2,265,088
42	May 29, 2021 14:55	5,074	44,203,939	15,222,000	1,014,000	2,265,088
43	May 29, 2021 14:55	5,080	35,482,285	14,225,000	2,032,000	2,265,088
44	May 29, 2021 14:56	5,084	35,852,166	14,236,000	2,033,000	2,527,232
45	May 29, 2021 14:55	5,094	45,512,046	15,282,000	1,018,000	2,387,968
46	May 29, 2021 14:55	5,219	70,882,752	16,701,499	0	2,277,376
47	May 29, 2021 14:55	5,232	95,846,009	16,740,895	0	2,277,376
48	May 29, 2021 14:55	5,235	51,474,045	16,752,330	0	2,273,280
49	May 29, 2021 14:55	5,236	85,932,777	16,755,661	0	2,269,184
50	May 29, 2021 14:56	5,236	85,606,742	16,756,485	0	2,289,664
51	May 29, 2021 14:55	5,246	63,334,679	16,786,850	0	2,281,472
52	May 29, 2021 14:55	5,246	98,120,178	16,787,340	0	2,277,376
53	May 29, 2021 14:56	5,250	83,242,608	16,800,158	0	2,277,376
54	May 29, 2021 14:55	5,258	59,140,698	16,825,663	0	2,277,376
55	May 29, 2021 14:55	5,259	73,120,216	16,828,777	0	2,281,472
56	May 29, 2021 14:55	5,265	86,849,834	16,849,359	0	2,277,376
57	May 29, 2021 14:55	5,269	52,415,090	16,860,643	0	2,277,376
58	May 29, 2021 14:55	5,271	81,576,515	16,868,633	0	2,281,472
59	May 29, 2021 14:55	5,279	90,647,977	16,894,240	0	2,277,376
60	May 29, 2021 14:56	5,291	97,362,504	16,930,564	0	2,277,376

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