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Commit 3464f79

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burgholzerburgholzer
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📈 avoid measuring line setting during state/gate generation
📈 avoid measuring state/gate generation during multiplication benchmarks Signed-off-by: Lukas Burgholzer <[email protected]>
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‎test/bench_package.cpp

Lines changed: 61 additions & 59 deletions
Original file line numberDiff line numberDiff line change
@@ -75,9 +75,9 @@ static void BM_MakeIdent(benchmark::State& state) {
7575
unsigned short nqubits = state.range(0);
7676
auto dd = std::make_unique<dd::Package>();
7777
auto line = std::array<short, dd::MAXN>{};
78+
line.fill(-1);
79+
line[0] = 2;
7880
for (auto _: state) {
79-
line.fill(-1);
80-
line[0] = 2;
8181
benchmark::DoNotOptimize(dd->makeGateDD(dd::Imat, nqubits, line));
8282
}
8383
}
@@ -91,9 +91,9 @@ static void BM_MakeSingleQubitGateDD_TargetTop(benchmark::State& state) {
9191
unsigned short nqubits = state.range(0);
9292
auto dd = std::make_unique<dd::Package>();
9393
auto line = std::array<short, dd::MAXN>{};
94+
line.fill(-1);
95+
line[nqubits - 1] = 2;
9496
for (auto _: state) {
95-
line.fill(-1);
96-
line[nqubits - 1] = 2;
9797
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
9898
}
9999
}
@@ -103,9 +103,9 @@ static void BM_MakeSingleQubitGateDD_TargetMiddle(benchmark::State& state) {
103103
unsigned short nqubits = state.range(0);
104104
auto dd = std::make_unique<dd::Package>();
105105
auto line = std::array<short, dd::MAXN>{};
106+
line.fill(-1);
107+
line[nqubits / 2] = 2;
106108
for (auto _: state) {
107-
line.fill(-1);
108-
line[nqubits / 2] = 2;
109109
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
110110
}
111111
}
@@ -115,9 +115,9 @@ static void BM_MakeSingleQubitGateDD_TargetBottom(benchmark::State& state) {
115115
unsigned short nqubits = state.range(0);
116116
auto dd = std::make_unique<dd::Package>();
117117
auto line = std::array<short, dd::MAXN>{};
118+
line.fill(-1);
119+
line[0] = 2;
118120
for (auto _: state) {
119-
line.fill(-1);
120-
line[0] = 2;
121121
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
122122
}
123123
}
@@ -127,10 +127,10 @@ static void BM_MakeControlledQubitGateDD_ControlBottom_TargetTop(benchmark::Stat
127127
unsigned short nqubits = state.range(0);
128128
auto dd = std::make_unique<dd::Package>();
129129
auto line = std::array<short, dd::MAXN>{};
130+
line.fill(-1);
131+
line[0] = 1;
132+
line[nqubits - 1] = 2;
130133
for (auto _: state) {
131-
line.fill(-1);
132-
line[0] = 1;
133-
line[nqubits - 1] = 2;
134134
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
135135
}
136136
}
@@ -140,10 +140,10 @@ static void BM_MakeControlledQubitGateDD_ControlBottom_TargetMiddle(benchmark::S
140140
unsigned short nqubits = state.range(0);
141141
auto dd = std::make_unique<dd::Package>();
142142
auto line = std::array<short, dd::MAXN>{};
143+
line.fill(-1);
144+
line[0] = 1;
145+
line[nqubits / 2] = 2;
143146
for (auto _: state) {
144-
line.fill(-1);
145-
line[0] = 1;
146-
line[nqubits / 2] = 2;
147147
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
148148
}
149149
}
@@ -153,10 +153,10 @@ static void BM_MakeControlledQubitGateDD_ControlTop_TargetMiddle(benchmark::Stat
153153
unsigned short nqubits = state.range(0);
154154
auto dd = std::make_unique<dd::Package>();
155155
auto line = std::array<short, dd::MAXN>{};
156+
line.fill(-1);
157+
line[nqubits - 1] = 1;
158+
line[nqubits / 2] = 2;
156159
for (auto _: state) {
157-
line.fill(-1);
158-
line[nqubits - 1] = 1;
159-
line[nqubits / 2] = 2;
160160
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
161161
}
162162
}
@@ -166,10 +166,10 @@ static void BM_MakeControlledQubitGateDD_ControlTop_TargetBottom(benchmark::Stat
166166
unsigned short nqubits = state.range(0);
167167
auto dd = std::make_unique<dd::Package>();
168168
auto line = std::array<short, dd::MAXN>{};
169+
line.fill(-1);
170+
line[nqubits - 1] = 1;
171+
line[0] = 2;
169172
for (auto _: state) {
170-
line.fill(-1);
171-
line[nqubits - 1] = 1;
172-
line[0] = 2;
173173
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
174174
}
175175
}
@@ -179,9 +179,9 @@ static void BM_MakeFullControlledToffoliDD_TargetTop(benchmark::State& state) {
179179
unsigned short nqubits = state.range(0);
180180
auto dd = std::make_unique<dd::Package>();
181181
auto line = std::array<short, dd::MAXN>{};
182+
line.fill(1);
183+
line[nqubits - 1] = 2;
182184
for (auto _: state) {
183-
line.fill(1);
184-
line[nqubits - 1] = 2;
185185
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
186186
}
187187
}
@@ -191,9 +191,9 @@ static void BM_MakeFullControlledToffoliDD_TargetMiddle(benchmark::State& state)
191191
unsigned short nqubits = state.range(0);
192192
auto dd = std::make_unique<dd::Package>();
193193
auto line = std::array<short, dd::MAXN>{};
194+
line.fill(1);
195+
line[nqubits / 2] = 2;
194196
for (auto _: state) {
195-
line.fill(1);
196-
line[nqubits / 2] = 2;
197197
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
198198
}
199199
}
@@ -203,9 +203,9 @@ static void BM_MakeFullControlledToffoliDD_TargetBottom(benchmark::State& state)
203203
unsigned short nqubits = state.range(0);
204204
auto dd = std::make_unique<dd::Package>();
205205
auto line = std::array<short, dd::MAXN>{};
206+
line.fill(1);
207+
line[0] = 2;
206208
for (auto _: state) {
207-
line.fill(1);
208-
line[0] = 2;
209209
benchmark::DoNotOptimize(dd->makeGateDD(dd::Xmat, nqubits, line));
210210
}
211211
}
@@ -238,12 +238,12 @@ static void BM_MxV_X(benchmark::State& state) {
238238
unsigned short nqubits = state.range(0);
239239
auto dd = std::make_unique<dd::Package>();
240240
auto line = std::array<short, dd::MAXN>{};
241+
auto zero = dd->makeZeroState(nqubits);
242+
line.fill(-1);
243+
line[0] = 2;
244+
auto x = dd->makeGateDD(dd::Xmat, nqubits, line);
241245

242246
for (auto _: state) {
243-
auto zero = dd->makeZeroState(nqubits);
244-
line.fill(-1);
245-
line[0] = 2;
246-
auto x = dd->makeGateDD(dd::Xmat, nqubits, line);
247247
auto sim = dd->multiply(x, zero);
248248
benchmark::DoNotOptimize(sim);
249249
// clear compute table so the next iteration does not find the result cached
@@ -256,12 +256,12 @@ static void BM_MxV_H(benchmark::State& state) {
256256
unsigned short nqubits = state.range(0);
257257
auto dd = std::make_unique<dd::Package>();
258258
auto line = std::array<short, dd::MAXN>{};
259+
auto zero = dd->makeZeroState(nqubits);
260+
line.fill(-1);
261+
line[0] = 2;
262+
auto h = dd->makeGateDD(dd::Hmat, nqubits, line);
259263

260264
for (auto _: state) {
261-
auto zero = dd->makeZeroState(nqubits);
262-
line.fill(-1);
263-
line[0] = 2;
264-
auto h = dd->makeGateDD(dd::Hmat, nqubits, line);
265265
auto sim = dd->multiply(h, zero);
266266
benchmark::DoNotOptimize(sim);
267267
// clear compute table so the next iteration does not find the result cached
@@ -274,12 +274,12 @@ static void BM_MxV_T(benchmark::State& state) {
274274
unsigned short nqubits = state.range(0);
275275
auto dd = std::make_unique<dd::Package>();
276276
auto line = std::array<short, dd::MAXN>{};
277+
auto zero = dd->makeZeroState(nqubits);
278+
line.fill(-1);
279+
line[0] = 2;
280+
auto t = dd->makeGateDD(dd::Tmat, nqubits, line);
277281

278282
for (auto _: state) {
279-
auto zero = dd->makeZeroState(nqubits);
280-
line.fill(-1);
281-
line[0] = 2;
282-
auto t = dd->makeGateDD(dd::Tmat, nqubits, line);
283283
auto sim = dd->multiply(t, zero);
284284
benchmark::DoNotOptimize(sim);
285285
// clear compute table so the next iteration does not find the result cached
@@ -294,14 +294,14 @@ static void BM_MxV_CX_ControlTop_TargetBottom(benchmark::State& state) {
294294
auto line = std::array<short, dd::MAXN>{};
295295
auto basisStates = std::vector<dd::BasisStates>{nqubits, dd::BasisStates::zero};
296296
basisStates[nqubits - 1] = dd::BasisStates::plus;
297+
auto plus = dd->makeBasisState(nqubits, basisStates);
298+
line.fill(-1);
299+
line[0] = 2;
300+
line[nqubits - 1] = 1;
301+
auto cx = dd->makeGateDD(dd::Xmat, nqubits, line);
297302

298303
for (auto _: state) {
299-
auto plus = dd->makeBasisState(nqubits, basisStates);
300-
line.fill(-1);
301-
line[0] = 2;
302-
line[nqubits - 1] = 1;
303-
auto cx = dd->makeGateDD(dd::Xmat, nqubits, line);
304-
auto sim = dd->multiply(cx, plus);
304+
auto sim = dd->multiply(cx, plus);
305305
benchmark::DoNotOptimize(sim);
306306
// clear compute table so the next iteration does not find the result cached
307307
dd->clearComputeTables();
@@ -315,14 +315,14 @@ static void BM_MxV_CX_ControlBottom_TargetTop(benchmark::State& state) {
315315
auto line = std::array<short, dd::MAXN>{};
316316
auto basisStates = std::vector<dd::BasisStates>{nqubits, dd::BasisStates::zero};
317317
basisStates[0] = dd::BasisStates::plus;
318+
auto plus = dd->makeBasisState(nqubits, basisStates);
319+
line.fill(-1);
320+
line[nqubits - 1] = 2;
321+
line[0] = 1;
322+
auto cx = dd->makeGateDD(dd::Xmat, nqubits, line);
318323

319324
for (auto _: state) {
320-
auto plus = dd->makeBasisState(nqubits, basisStates);
321-
line.fill(-1);
322-
line[nqubits - 1] = 2;
323-
line[0] = 1;
324-
auto cx = dd->makeGateDD(dd::Xmat, nqubits, line);
325-
auto sim = dd->multiply(cx, plus);
325+
auto sim = dd->multiply(cx, plus);
326326
benchmark::DoNotOptimize(sim);
327327
// clear compute table so the next iteration does not find the result cached
328328
dd->clearComputeTables();
@@ -335,8 +335,9 @@ static void BM_MxV_HadamardLayer(benchmark::State& state) {
335335
auto dd = std::make_unique<dd::Package>();
336336
auto line = std::array<short, dd::MAXN>{};
337337

338+
auto zero = dd->makeZeroState(nqubits);
338339
for (auto _: state) {
339-
auto sv = dd->makeZeroState(nqubits);
340+
auto sv = zero;
340341
line.fill(-1);
341342
for (int i = 0; i < nqubits; ++i) {
342343
line[std::max(0, i - 1)] = -1;
@@ -355,8 +356,9 @@ static void BM_MxV_GHZ(benchmark::State& state) {
355356
auto dd = std::make_unique<dd::Package>();
356357
auto line = std::array<short, dd::MAXN>{};
357358

359+
auto zero = dd->makeZeroState(nqubits);
358360
for (auto _: state) {
359-
auto sv = dd->makeZeroState(nqubits);
361+
auto sv = zero;
360362
line.fill(-1);
361363
line[nqubits - 1] = 2;
362364
auto h = dd->makeGateDD(dd::Hmat, nqubits, line);
@@ -378,15 +380,15 @@ static void BM_MxM_Bell(benchmark::State& state) {
378380
unsigned short nqubits = state.range(0);
379381
auto dd = std::make_unique<dd::Package>();
380382
auto line = std::array<short, dd::MAXN>{};
383+
line.fill(-1);
384+
line[nqubits - 1] = 2;
385+
auto h = dd->makeGateDD(dd::Hmat, nqubits, line);
386+
line[nqubits - 1] = 1;
387+
line[0] = 2;
388+
auto cx = dd->makeGateDD(dd::Xmat, nqubits, line);
381389

382390
for (auto _: state) {
383-
line.fill(-1);
384-
line[nqubits - 1] = 2;
385-
auto h = dd->makeGateDD(dd::Hmat, nqubits, line);
386-
line[nqubits - 1] = 1;
387-
line[0] = 2;
388-
auto cx = dd->makeGateDD(dd::Xmat, nqubits, line);
389-
auto bell = dd->multiply(cx, h);
391+
auto bell = dd->multiply(cx, h);
390392
benchmark::DoNotOptimize(bell);
391393
// clear compute table so the next iteration does not find the result cached
392394
dd->clearComputeTables();

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