pi_mat <- matrix(c(0.5, 0.5))
z_mat <- matrix(c(32, 1))
bm <- bench::mark(
t = t(pi_mat) %*% z_mat,
crossprod = crossprod(pi_mat, z_mat)
)
bm
#> # A tibble: 2 × 6
#> expression min median `itr/sec` mem_alloc `gc/sec`
#> <bch:expr> <bch:tm> <bch:tm> <dbl> <bch:byt> <dbl>
#> 1 t 656ns 738ns 1147673. 0B 115.
#> 2 crossprod 1ns 82ns 14145153. 0B 0
summary(bm, relative = TRUE)
#> # A tibble: 2 × 6
#> expression min median `itr/sec` mem_alloc `gc/sec`
#> <bch:expr> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 t 656. 9.00 1 NaN Inf
#> 2 crossprod 1 1 12.3 NaN NaN
plot(bm)
Created on 2025-06-05 with reprex v2.1.1
Session info
sessioninfo::session_info()
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