math/big.Int.BitLen
standard libraryThe 1775th most-called standard-library method by production calls. Called 409 times across 76 modules; 345 of those run outside tests and generated code.
- prod calls
- 345
- non-test, non-generated
- all calls
- 409
- total callsites
- modules
- 76
- distinct callers
- in loop
- 11%
- of prod calls
- in tests
- 16%
- 64 calls
- resolved
- 100%
- to a known target
resolution mix
How each call resolves
How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →
- Concrete method100%A method on a value whose type is known exactly.
- Embedded method<1%Reached through an embedded type.
who calls this
Notable callers
Production calls into Int.BitLen from notable Go projects. Open one on the map to see what else it hammers.
- Go (golang.org/x) 33 10%
- Vault 10 3%
- Kubernetes 9 3%
- Tailscale 8 2%
- SPIFFE 5 1%
where it's called
Callsites in the wild
12 representative callsites of 409, prioritizing in-loop and non-test usage. We link to source, never display it.
-
cockroachdb/cockroach @v19.2.12+incompatible
in loop - in loop
- in loop
-
cznic/mathutil @v0.0.0-20181122101859-297441e03548
in loop - in loop
- in loop
- in loop
- in loop
- in loop
- in loop
-
xtls/reality @v0.0.0-20260322125925-9234c772ba8f
in loop -
zmap/zcrypto @v0.0.0-20260725024403-2c658ce3c66f
in loop
top callers
The modules that reach for it
The modules that call Int.BitLen most in this snapshot.
- github.com/ethereum/go-ethereum6015%
- golang.org/x/crypto348%
- github.com/cloudflare/circl338%
- github.com/drand/kyber277%
- github.com/cloudflare/cfssl236%
siblings
More from math/big
The other most-called members in this package. See all →