def test_speed_parse_and_convert():
print()
ureg = uc.getGlobalUnitRegistry()
q = ureg.makeQuantity('100 W')
pureg = pint.UnitRegistry()
pq = pureg.Quantity(100, 'W')
bm = Benchmark()
bm.run(lambda: pureg.Quantity("100 m").to("cm"))
pint_runtime = bm.measurement
bm.run(lambda: ureg.makeQuantity("100 m").to("cm"))
uc_runtime = bm.measurement
print("parse and convert: 100 m -> cm")
print("Pint", pint_runtime)
print("UnitConvert", uc_runtime)
print("Speedup", Speedup(pint_runtime, uc_runtime))
print()
print()
bm = Benchmark()
bm.run(lambda: pureg.Quantity("100 W").to("g cm mm / hour / min / ms"))
pint_runtime = bm.measurement
bm.run(lambda: ureg.makeQuantity("100 W").to("g cm mm / hour / min / ms"))
uc_runtime = bm.measurement
print("parse and convert: 100 W -> g cm mm / hr / min / ms")
print("Pint", pint_runtime)
print("UnitConvert", uc_runtime)
print("Speedup", Speedup(pint_runtime, uc_runtime))
def test_global_registry():
ureg = uc.getGlobalUnitRegistry()
q = ureg.makeQuantity('1 m')
print(type(q))
q2 = q.to("cm")
print(type(q2))
assert q2.value() == Approx(100)
q = ureg.makeQuantity('100 mph')
q2 = q.to("m/s")
assert q2.value() == Approx(44.704)
def test_speed_simple():
ureg = uc.getGlobalUnitRegistry()
q = ureg.makeQuantity('100 mile/hour')
pureg = pint.UnitRegistry()
pq = pureg.Quantity(100, 'mile/hour')
bm = Benchmark()
bm.run(lambda: q.to("km/s"))
uc_runtime = bm.measurement
bm.run(lambda: pq.to("km/s"))
pint_runtime = bm.measurement
print("convert: 100 mph -> km/s")
print("Pint", pint_runtime)
print("UnitConvert", uc_runtime)
print("Speedup", Speedup(pint_runtime, uc_runtime))
def test_pint_calc_with_uc_conversion():
print()
ureg = uc.getGlobalUnitRegistry()
pureg = pint.UnitRegistry()
l = pureg.Quantity(100, 'in')
w = pureg.Quantity(100, 'cm')
A = l * w
bm = Benchmark()
bm.run(lambda: A.to("acre"))
pint_runtime = bm.measurement
bm.run(lambda: pureg.Quantity(
ureg.makeQuantity(str(A)).to("acre").value(), "acre"))
uc_runtime = bm.measurement
print("pint calc with uc conversion")
print("Pint", pint_runtime)
print("UnitConvert", uc_runtime)
print("Speedup", Speedup(pint_runtime, uc_runtime))