section
stringclasses
3 values
impl
stringclasses
10 values
language
stringclasses
5 values
package
stringclasses
10 values
version
stringclasses
10 values
call
stringclasses
10 values
reach
stringclasses
10 values
counter_bits
float64
0
42
⌀
fresh_random_bits
float64
32
74
⌀
ids_per_sec
float64
521k
24.1M
⌀
out_of_order
float64
0
500k
⌀
out_of_order_pct
float64
0
50
⌀
duplicates
float64
0
0
⌀
max_ids_in_one_ms
float64
1
24.7k
⌀
ts_ahead_of_clock_ms_after_1M
stringclasses
6 values
max_ts_ahead_ms
float64
0
999k
⌀
mean_bits_changed_same_ms
float64
18
37
⌀
clock_jump_behavior
stringclasses
9 values
load_ids_per_ms
float64
1
10
⌀
sim_ms
float64
0
121k
⌀
lag_ms
float64
0
4.69M
⌀
out_of_order_total
float64
0
545k
⌀
tight_loop_1M
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
226,213,391 downloads in 90 days (crates.io)
42
32
14,050,252
0
0
0
14,421
0
0
18
freeze: reuses last timestamp, bumps counter
null
null
null
null
tight_loop_1M
rs-uuid7
Rust
uuid7 (crate, LiosK)
1.8.0
uuid7::uuid7()
46,634 downloads in 90 days (crates.io)
42
32
24,137,739
0
0
0
24,687
0
0
18
reset: after a rollback over 10 s, follows the clock again
null
null
null
null
tight_loop_1M
py-stdlib
Python
uuid (standard library)
CPython 3.15.1
uuid.uuid7()
ships with Python 3.14+
42
32
1,060,892
0
0
0
1,238
-1
0
18
runaway: +1 ms per ID while the clock is behind
null
null
null
null
tight_loop_1M
py-uuid6
Python
uuid6 (PyPI)
2025.0.1
uuid6.uuid7()
10,858,926 downloads last month (pypistats)
0
74
762,438
0
0
0
1
998688
998,688
null
runaway: +1 ms per ID whenever two IDs share a millisecond
null
null
null
null
tight_loop_1M
py-uuid7pkg
Python
uuid7 (PyPI)
0.1.0
uuid_extensions.uuid7()
11,048,710 downloads last month (pypistats)
14
48
757,529
0
0
0
null
n/a (decodes to 2202)
null
27.96
draft layout: no unix-ms field; follows the clock backwards
null
null
null
null
tight_loop_1M
py-uuid-utils
Python
uuid-utils (PyPI, Rust core)
1.1.0
uuid_utils.uuid7()
69,759,392 downloads last month (pypistats)
42
32
8,532,001
0
0
0
9,106
1
10
18
not simulated; it calls the Rust uuid crate now_v7 (freeze)
null
null
null
null
tight_loop_1M
node-uuid
JavaScript
uuid (npm)
14.0.3
v7()
173,698,867 downloads last week (npm)
32
42
520,984
0
0
0
855
0
0
22.99
freeze: reuses last timestamp, bumps 32-bit seq
null
null
null
null
tight_loop_1M
node-uuidv7
JavaScript
uuidv7 (npm, LiosK)
1.2.1
uuidv7()
1,989,232 downloads last week (npm)
42
32
560,156
0
0
0
3,016
0
0
18.01
reset: after a rollback over 10 s, follows the clock again
null
null
null
null
tight_loop_1M
go-google-uuid
Go
github.com/google/uuid
1.6.0
uuid.NewV7()
imported by 113,457 packages (pkg.go.dev)
12
62
9,049,306
0
0
0
4,096
135
135
32.99
freeze: +1/4096 ms per ID while behind
null
null
null
null
tight_loop_1M
net-guid
C# / .NET
System.Guid
.NET 10.0.13
Guid.CreateVersion7()
built into .NET 9+
0
74
13,006,438
500,470
50.047
0
18,126
0
0
37
stateless: timestamp follows the clock, order is random within a ms
null
null
null
null
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
0
0
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
500
0
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
1,000
3,599,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
2,500
3,598,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
5,000
3,595,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
7,500
3,593,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
10,000
3,590,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
12,500
3,588,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
15,000
3,585,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
17,500
3,583,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
20,000
3,580,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
22,500
3,578,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
25,000
3,575,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
27,500
3,573,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
30,000
3,570,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
32,500
3,568,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
35,000
3,565,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
37,500
3,563,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
40,000
3,560,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
42,500
3,558,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
45,000
3,555,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
47,500
3,553,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
50,000
3,550,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
52,500
3,548,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
55,000
3,545,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
57,500
3,543,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
60,000
3,540,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
62,500
3,538,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
65,000
3,535,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
67,500
3,533,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
70,000
3,530,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
72,500
3,528,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
75,000
3,525,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
77,500
3,523,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
80,000
3,520,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
82,500
3,518,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
85,000
3,515,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
87,500
3,513,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
90,000
3,510,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
92,500
3,508,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
95,000
3,505,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
97,500
3,503,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
100,000
3,500,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
102,500
3,498,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
105,000
3,495,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
107,500
3,493,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
110,000
3,490,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
112,500
3,488,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
115,000
3,485,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
117,500
3,483,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
120,000
3,480,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
1
120,999
3,480,000
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
0
0
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
500
0
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
1,000
3,599,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
2,500
3,598,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
5,000
3,595,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
7,500
3,593,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
10,000
3,590,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
12,500
3,588,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
15,000
3,585,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
17,500
3,583,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
20,000
3,580,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
22,500
3,578,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
25,000
3,575,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
27,500
3,573,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
30,000
3,570,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
32,500
3,568,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
35,000
3,565,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
37,500
3,563,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
40,000
3,560,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
42,500
3,558,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
45,000
3,555,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
47,500
3,553,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
50,000
3,550,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
52,500
3,548,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
55,000
3,545,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
57,500
3,543,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
60,000
3,540,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
62,500
3,538,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
65,000
3,535,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
67,500
3,533,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
70,000
3,530,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
72,500
3,528,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
75,000
3,525,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
77,500
3,523,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
80,000
3,520,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
82,500
3,518,499
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
85,000
3,515,999
0
clock_jump_back_1h
rs-uuid
Rust
uuid (crate)
1.29.0
Uuid::now_v7()
null
null
null
null
null
null
null
null
null
null
null
null
2
87,500
3,513,499
0