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Merged
rvanasa merged 6 commits into from
Jan 27, 2026
Merged

Make bench-canister use a better Bench type #371

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df700de
Make bench-canister use a better Bench type
timohanke Jan 25, 2026
adf5f40
Use Prim.rts_stable_memory_size() in bench-canister
timohanke Jan 25, 2026
0d932e2
Add example bench based on prng to illustrate new flexibility
timohanke Jan 25, 2026
ecd1dbc
Fix formatting
timohanke Jan 26, 2026
566a084
Update mops.lock
timohanke Jan 26, 2026
2d0fc6a
Revert mops.lock to version 2
timohanke Jan 26, 2026
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45 changes: 45 additions & 0 deletions bench/prng.bench.mo
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Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
import Prng "mo:prng";

module {
type Schema = {
name : Text;
description : Text;
rows : [Text];
cols : [Text];
};

class BenchV1(schema : Schema, run : (Nat, Nat) -> ()) {
public func getVersion() : Nat = 1;
public func getSchema() : Schema = schema;
public let runCell = run;
};

public func init() : BenchV1 {
let schema : Schema = {
name = "Prng";
description = "Benchmark N `next` calls for different PRNGs";
rows = ["Seiran128", "SFC64", "SFC32"];
cols = ["10", "100", "1000", "10000"];
};

let methods : [{ next : () -> Any }] = [
Prng.Seiran128(),
Prng.SFC64a(),
Prng.SFC32a(),
];

let ns : [Nat16] = [10, 100, 1000, 10000];

func run(ri : Nat, ci : Nat) {
let n = ns[ci];
let next = methods[ri].next;
var i : Nat16 = 0;
while (i < n) {
ignore next();
i +%= 1;
};
};

BenchV1(schema, run);
};
};
23 changes: 17 additions & 6 deletions cli/commands/bench/bench-canister.mo
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,25 @@ import Nat64 "mo:core/Nat64";
import Nat "mo:core/Nat";
import Runtime "mo:core/Runtime";
import InternetComputer "mo:core/InternetComputer";
import Int64 "mo:core/Int64";
import Region "mo:core/Region";
import Prim "mo:prim";
import Bench "mo:bench";

import UserBench "./user-bench"; // file path will be replaced with the *.bench.mo file path

persistent actor class () {
type BenchSchema = {
name : Text;
description : Text;
rows : [Text];
cols : [Text];
};

type Bench = {
getVersion : () -> Nat;
getSchema : () -> BenchSchema;
runCell : (Nat, Nat) -> ();
};

type BenchResult = {
instructions : Int;
rts_mutator_instructions : Int;
Expand All @@ -23,16 +34,16 @@ persistent actor class () {
rts_reclaimed : Int;
};

transient var benchOpt : ?Bench.Bench = null;
transient var benchOpt : ?Bench = null;

public func init() : async Bench.BenchSchema {
public func init() : async BenchSchema {
let bench = UserBench.init();
benchOpt := ?bench;
ignore Region.grow(Region.new(), 1);
bench.getSchema();
};

public query func getSchema() : async Bench.BenchSchema {
public query func getSchema() : async BenchSchema {
let ?bench = benchOpt else Runtime.trap("bench not initialized");
bench.getSchema();
};
Expand All @@ -41,7 +52,7 @@ persistent actor class () {
{
instructions = 0;
rts_heap_size = Prim.rts_heap_size();
stable_memory_size = Int64.toInt(Int64.fromNat64(Prim.stableMemorySize())) * 65536;
stable_memory_size = Prim.rts_stable_memory_size() * 65536;
rts_stable_memory_size = Prim.rts_stable_memory_size();
rts_logical_stable_memory_size = Prim.rts_logical_stable_memory_size();
rts_memory_size = Prim.rts_memory_size();
Expand Down
11 changes: 9 additions & 2 deletions mops.lock
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"version": 2,
"mopsTomlDepsHash": "722dc0bee276245351407defa34eb1cd2f96334559d4736d892f8871144cfeb1",
"mopsTomlDepsHash": "5de8f0a8a095def1d77a4d49f261b1bef9072a7352225e70d7317047d948baff",
"hashes": {
"base@0.14.14": {
"base@0.14.14/NOTICE": "3960a8d25fa5fc909325817b08b36c1146970930ca15b6352f8ea6db803cab47",
Expand Down Expand Up @@ -671,6 +671,13 @@
"bench@1.0.0/LICENSE": "3d081f9b4a5e05c2e02a370bbfac792c81125b4efe1404f79a39359e2b923c63",
"bench@1.0.0/mops.toml": "f423260f1716f4329713dfbf66343867e749e28646d29a065fac9ecd34e0ba04",
"bench@1.0.0/src/lib.mo": "1dc6d4709abe393eb7a8496da873028deab9cac11e6c1464ffbde2f2d5151c5b"
},
"prng@0.0.8": {
"prng@0.0.8/NOTICE": "71e037856ba594c2b26f5d97a1f77a907ab2013af8cbb124857ca8b53022f83f",
"prng@0.0.8/src/lib.mo": "97d00684d337fcf432d3dd0982e2a427dd54d21b931246a9c2663580e9fc46b2",
"prng@0.0.8/README.md": "90b9faa44528ca14916a5d756c187eff26d5ed61e0ca1f22d060fb51a3492a52",
"prng@0.0.8/LICENSE": "96c1cc0e3cca2329be9b477518e5c430a4fe51572b3cbcdb8a1036e06ee30855",
"prng@0.0.8/mops.toml": "19d90a2cce697c969e042d0b03d42660bf854eae930b627c678a1920ad100126"
}
}
}
}
1 change: 1 addition & 0 deletions mops.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ telegram-bot = "0.1.1"
test = "2.1.1"
fuzz = "1.0.0"
bench = "1.0.0"
prng = "0.0.8"

[toolchain]
moc = "0.14.14"
Expand Down
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